Road traffic accidents and corresponding causality are the most concerning issues in the transportation sector of a developing
country like Bangladesh where road crashes are remarkably high. According to police reported road traffic accident database,
every year about 2800 or more accidents occur in Bangladesh. This research analyzes the various accident data from year 2007
to 2012 using Microcomputer Accident Analysis Package (MAAP5) software in route N8 (Dhaka – Mawa – Barisal – Patuakhali
National Highway) in Bangladesh. This research reveals accident prone locations which are commonly termed as black spot and
Hazardous Road location (HRL) on the route N8 followed by establishing maps by Geographic Information System (GIS). Headon,
rear-end, overturning, side-swipe and hit-pedestrian are the most dominant types of accidents. Analysis shows that maximum
number of accidents occurred in fair weather in route N8. The result clearly indicates that buses contribute mostly in the
accidents.
Major fatal road traffic accidents in bangladeshFayaz Uddin
In Bangladesh, road transport has to bear solely the major part of passenger and freight movements . It is found that, of all total reported accidents, 65 percent are fatal and a considerable number of fatal accidents are occurring every year in which a large number of road users lose their lives in each accident
Epidemiology, prevention and control of road traffic accidentsDr.Hemant Kumar
Road Traffic Accidents(RTAs)are Major Global Health problems and 8th leading cause of death leading to more than 1.2 million deaths and 20-50 million injuries annually.While the situation in many countries in now improving, India still holds the dubious distinction of being only country who faces more than 14 fatalities and 53 injuries every hour due to RTA.
International Journal of Humanities and Social Science Invention (IJHSSI)inventionjournals
International Journal of Humanities and Social Science Invention (IJHSSI) is an international journal intended for professionals and researchers in all fields of Humanities and Social Science. IJHSSI publishes research articles and reviews within the whole field Humanities and Social Science, new teaching methods, assessment, validation and the impact of new technologies and it will continue to provide information on the latest trends and developments in this ever-expanding subject. The publications of papers are selected through double peer reviewed to ensure originality, relevance, and readability. The articles published in our journal can be accessed online
Major fatal road traffic accidents in bangladeshFayaz Uddin
In Bangladesh, road transport has to bear solely the major part of passenger and freight movements . It is found that, of all total reported accidents, 65 percent are fatal and a considerable number of fatal accidents are occurring every year in which a large number of road users lose their lives in each accident
Epidemiology, prevention and control of road traffic accidentsDr.Hemant Kumar
Road Traffic Accidents(RTAs)are Major Global Health problems and 8th leading cause of death leading to more than 1.2 million deaths and 20-50 million injuries annually.While the situation in many countries in now improving, India still holds the dubious distinction of being only country who faces more than 14 fatalities and 53 injuries every hour due to RTA.
International Journal of Humanities and Social Science Invention (IJHSSI)inventionjournals
International Journal of Humanities and Social Science Invention (IJHSSI) is an international journal intended for professionals and researchers in all fields of Humanities and Social Science. IJHSSI publishes research articles and reviews within the whole field Humanities and Social Science, new teaching methods, assessment, validation and the impact of new technologies and it will continue to provide information on the latest trends and developments in this ever-expanding subject. The publications of papers are selected through double peer reviewed to ensure originality, relevance, and readability. The articles published in our journal can be accessed online
There was an increasing trend from 2010 to 2011 motor traffic accidents in Kuwait City, passengers and pedestrians are always at highest risk of being injured or killed on the road. Quantitative and qualitative results indicated that the technical element of the highway construction, irresponsibility, poor management, cell phones, alcohol and drugs, age of the victims and poor condition of services were the causes of traffic accidents in Kuwait. The study recommended that the government should review legislation regarding employment of drivers, and working conditions of police force should be improved, public road safety campaigns should be conducted, and new driving license system should be imposed. The use of cell phones while driving should be restricted. The hospital and police records should be updated with the number of road victims, the hospital staff, traffic police and ambulance personnel should be considered for intensive training on emergency and preparedness, and regular vehicle inspection should be introduced in Kuwait City.
Keyword: Traffic- accidents-Risk Theory-System Theory-Triangulation- method
Identification of Factors in Road Accidents of Pabna-Sirajgonj HighwayDr. Amarjeet Singh
As roads and highways are the key medium of
transportation for Bangladesh in this era, road accident has
become an overarching issue. Rapid growths of vehicle and
poor road environment condition have caused harsh safety
hazards on the Pabna-Sirajganj highway in recent years. In
this study, current status of the road accidents and probable
causes of the accidents in Pabna-Sirajganj road section is
identified. In Pabna-Sirajgonj highway, 57 accidents
occurred on this highway section in a time period of 4 years
from January 2014 to December 2017. As a result, 102 lives
were lost and another 140 were injured. In this study,
current status of the road accidents and probable causes of
these accidents in Pabna-Sirajganj road section is identified.
Data collection, analysis and interpretation on road
accidents were carried out for this road segment. The
geometric parameters at accident-prone locations were
compared with the standard parameters by using
topographic survey. The results from the study unfold the
probable reasons road accidents of selected accident-prone
locations of Pabna-Sirajgonj road section, which may reduce
the accident rates as well as save our lives and properties.
An analysis of the incidence and causes of road traffic accident in Kisii, Ce...iosrphr_editor
Background: Road traffic accidents (RTAs) are an emerging public health problem. It is estimated that more than 5 million people between 17-40 years of age die annually as a result of RTAs worldwide. Currently, RTA is the tenth leading cause of disease burden in the developing countries, especially in the Sub-Saharan African countries. The objective of the study was to analyze the proportion of accidents by vehicle, as well as investigate group of people vulnerable to RTA.
Eurosain is devoted to saving lives through pertitent application of hazard control/elimination and risk management of existing or projects of roads/highways.The approach is compliant with the latest standards and codes, and applies to developed countries as well as underdeveloped or in development countries.
Road Transport in Urban India: Its Implications on HealthRohit Sharma
Urban population in India has increased from 17-31.16%
between 1951 and 2011. Transport sector in India is an extensive system comprising different modes of transport, but road transport is the dominant mode playing an important role in conveyance of goods and passengers and linking the centers of production, consumption and distribution. Road transport accounted for 4.7% of India’s gross domestic product (GDP) in 2010-11.
Although essential for mobility, trade, economic development and growth, integration and social inclusion, there are negative impacts of transportation as well especially that of energy intensive transport.
Due to increased urbanisation and motorisation, the road transport sector has become instrumental in the development of the world economy. However, this has left the society and the environment with negative impacts, otherwise refer to as negative externalities. One of the most obvious evidence of these external costs is the road traffic accidents (RTAs). RTAs have physical, social, emotional and economic implications. To address these implications, the international community has responded with series of programmes and policies. However, RTAs have continue to claim the lives and property of people of especially developing countries who, unlike their developed counterparts, have not been successful in implementing programmes and policies that drastically reduce the prevalence of RTAs. In this study, we highlighted the importance of social marketing in addressing the lingering problems of RTAs in Nigeria. We provided some practical examples on how marketing concepts could be applied in addressing the social aspect of these issues and maintain safer driving. We believe that social marketing will be (and remains) the only option to overcoming RTAs and their attendant health, economic, environmental and social challenges in, especially, developing countries where RTAs are a major problem.
International Journal of Engineering Inventions (IJEI) provides a multidisciplinary passage for researchers, managers, professionals, practitioners and students around the globe to publish high quality, peer-reviewed articles on all theoretical and empirical aspects of Engineering and Science.
The peer-reviewed International Journal of Engineering Inventions (IJEI) is started with a mission to encourage contribution to research in Science and Technology. Encourage and motivate researchers in challenging areas of Sciences and Technology.
The Effects of Vehicle Speeds on Accident Frequency within Settlements along ...IJMER
Literature provides overwhelming evidence that a strong relationship exist between
vehicle speed and accident risk, and an outcome severity in the event of an accident. Excessive speed
is said to be a major causal factor of road accidents on trunk roads; contributing 60% of all vehicular
accidents. However, speed rationalization measures implemented on a number of trunk roads in
Ghana have realized very little success. This study therefore investigated the effects of vehicle speeds
on accident frequency within settlements along trunk roads. Data was collected on accidents, vehicle
speeds and other road and environment-related features for ninety-nine (99) settlements delineated
from four (4) trunk roads. Correlation analysis was employed to establish useful relationships and
provided insight into the contributions of relevant road and environmental-related variables to the
occurrence of road traffic accidents. Using the Negative Binomial error structure within the
Generalized Linear Model framework, core (flow-based) models were formulated based on accident
data and exposure variables (vehicle mileage, daily pedestrian flow and travel speed). Incremental
addition of relevant explanatory variables further expanded the core models into comprehensive
models. Findings indicate the main risk factors are number of accesses, daily pedestrian flow and
total vehicle kilometers driven, as vehicle speed did not appear to influence the occurrence of road
traffic accidents within settlements along trunk roads. In settlement corridors, mitigating accident
risks should not focus only on traffic calming but rather on measures that reduce pedestrian and
vehicular conflict situations as well as improve conspicuity around junctions
International Refereed Journal of Engineering and Science (IRJES)irjes
International Refereed Journal of Engineering and Science (IRJES) is a leading international journal for publication of new ideas, the state of the art research results and fundamental advances in all aspects of Engineering and Science. IRJES is a open access, peer reviewed international journal with a primary objective to provide the academic community and industry for the submission of half of original research and applications
There was an increasing trend from 2010 to 2011 motor traffic accidents in Kuwait City, passengers and pedestrians are always at highest risk of being injured or killed on the road. Quantitative and qualitative results indicated that the technical element of the highway construction, irresponsibility, poor management, cell phones, alcohol and drugs, age of the victims and poor condition of services were the causes of traffic accidents in Kuwait. The study recommended that the government should review legislation regarding employment of drivers, and working conditions of police force should be improved, public road safety campaigns should be conducted, and new driving license system should be imposed. The use of cell phones while driving should be restricted. The hospital and police records should be updated with the number of road victims, the hospital staff, traffic police and ambulance personnel should be considered for intensive training on emergency and preparedness, and regular vehicle inspection should be introduced in Kuwait City.
Keyword: Traffic- accidents-Risk Theory-System Theory-Triangulation- method
Identification of Factors in Road Accidents of Pabna-Sirajgonj HighwayDr. Amarjeet Singh
As roads and highways are the key medium of
transportation for Bangladesh in this era, road accident has
become an overarching issue. Rapid growths of vehicle and
poor road environment condition have caused harsh safety
hazards on the Pabna-Sirajganj highway in recent years. In
this study, current status of the road accidents and probable
causes of the accidents in Pabna-Sirajganj road section is
identified. In Pabna-Sirajgonj highway, 57 accidents
occurred on this highway section in a time period of 4 years
from January 2014 to December 2017. As a result, 102 lives
were lost and another 140 were injured. In this study,
current status of the road accidents and probable causes of
these accidents in Pabna-Sirajganj road section is identified.
Data collection, analysis and interpretation on road
accidents were carried out for this road segment. The
geometric parameters at accident-prone locations were
compared with the standard parameters by using
topographic survey. The results from the study unfold the
probable reasons road accidents of selected accident-prone
locations of Pabna-Sirajgonj road section, which may reduce
the accident rates as well as save our lives and properties.
An analysis of the incidence and causes of road traffic accident in Kisii, Ce...iosrphr_editor
Background: Road traffic accidents (RTAs) are an emerging public health problem. It is estimated that more than 5 million people between 17-40 years of age die annually as a result of RTAs worldwide. Currently, RTA is the tenth leading cause of disease burden in the developing countries, especially in the Sub-Saharan African countries. The objective of the study was to analyze the proportion of accidents by vehicle, as well as investigate group of people vulnerable to RTA.
Eurosain is devoted to saving lives through pertitent application of hazard control/elimination and risk management of existing or projects of roads/highways.The approach is compliant with the latest standards and codes, and applies to developed countries as well as underdeveloped or in development countries.
Road Transport in Urban India: Its Implications on HealthRohit Sharma
Urban population in India has increased from 17-31.16%
between 1951 and 2011. Transport sector in India is an extensive system comprising different modes of transport, but road transport is the dominant mode playing an important role in conveyance of goods and passengers and linking the centers of production, consumption and distribution. Road transport accounted for 4.7% of India’s gross domestic product (GDP) in 2010-11.
Although essential for mobility, trade, economic development and growth, integration and social inclusion, there are negative impacts of transportation as well especially that of energy intensive transport.
Due to increased urbanisation and motorisation, the road transport sector has become instrumental in the development of the world economy. However, this has left the society and the environment with negative impacts, otherwise refer to as negative externalities. One of the most obvious evidence of these external costs is the road traffic accidents (RTAs). RTAs have physical, social, emotional and economic implications. To address these implications, the international community has responded with series of programmes and policies. However, RTAs have continue to claim the lives and property of people of especially developing countries who, unlike their developed counterparts, have not been successful in implementing programmes and policies that drastically reduce the prevalence of RTAs. In this study, we highlighted the importance of social marketing in addressing the lingering problems of RTAs in Nigeria. We provided some practical examples on how marketing concepts could be applied in addressing the social aspect of these issues and maintain safer driving. We believe that social marketing will be (and remains) the only option to overcoming RTAs and their attendant health, economic, environmental and social challenges in, especially, developing countries where RTAs are a major problem.
International Journal of Engineering Inventions (IJEI) provides a multidisciplinary passage for researchers, managers, professionals, practitioners and students around the globe to publish high quality, peer-reviewed articles on all theoretical and empirical aspects of Engineering and Science.
The peer-reviewed International Journal of Engineering Inventions (IJEI) is started with a mission to encourage contribution to research in Science and Technology. Encourage and motivate researchers in challenging areas of Sciences and Technology.
The Effects of Vehicle Speeds on Accident Frequency within Settlements along ...IJMER
Literature provides overwhelming evidence that a strong relationship exist between
vehicle speed and accident risk, and an outcome severity in the event of an accident. Excessive speed
is said to be a major causal factor of road accidents on trunk roads; contributing 60% of all vehicular
accidents. However, speed rationalization measures implemented on a number of trunk roads in
Ghana have realized very little success. This study therefore investigated the effects of vehicle speeds
on accident frequency within settlements along trunk roads. Data was collected on accidents, vehicle
speeds and other road and environment-related features for ninety-nine (99) settlements delineated
from four (4) trunk roads. Correlation analysis was employed to establish useful relationships and
provided insight into the contributions of relevant road and environmental-related variables to the
occurrence of road traffic accidents. Using the Negative Binomial error structure within the
Generalized Linear Model framework, core (flow-based) models were formulated based on accident
data and exposure variables (vehicle mileage, daily pedestrian flow and travel speed). Incremental
addition of relevant explanatory variables further expanded the core models into comprehensive
models. Findings indicate the main risk factors are number of accesses, daily pedestrian flow and
total vehicle kilometers driven, as vehicle speed did not appear to influence the occurrence of road
traffic accidents within settlements along trunk roads. In settlement corridors, mitigating accident
risks should not focus only on traffic calming but rather on measures that reduce pedestrian and
vehicular conflict situations as well as improve conspicuity around junctions
International Refereed Journal of Engineering and Science (IRJES)irjes
International Refereed Journal of Engineering and Science (IRJES) is a leading international journal for publication of new ideas, the state of the art research results and fundamental advances in all aspects of Engineering and Science. IRJES is a open access, peer reviewed international journal with a primary objective to provide the academic community and industry for the submission of half of original research and applications
International Refereed Journal of Engineering and Science (IRJES)irjes
International Refereed Journal of Engineering and Science (IRJES) is a leading international journal for publication of new ideas, the state of the art research results and fundamental advances in all aspects of Engineering and Science. IRJES is a open access, peer reviewed international journal with a primary objective to provide the academic community and industry for the submission of half of original research and applications
International Refereed Journal of Engineering and Science (IRJES)irjes
International Refereed Journal of Engineering and Science (IRJES) is a leading international journal for publication of new ideas, the state of the art research results and fundamental advances in all aspects of Engineering and Science. IRJES is a open access, peer reviewed international journal with a primary objective to provide the academic community and industry for the submission of half of original research and applications
International Refereed Journal of Engineering and Science (IRJES)irjes
International Refereed Journal of Engineering and Science (IRJES) is a leading international journal for publication of new ideas, the state of the art research results and fundamental advances in all aspects of Engineering and Science. IRJES is a open access, peer reviewed international journal with a primary objective to provide the academic community and industry for the submission of half of original research and applications
In spite of the many advancementsinsafety technology, roadway design and engineering as well as
several policy initiativesaimed at addressingtraffic crashes (and it concomitant injuries and fatalities); it
continuesto saddle humanity and present significant health hazards and threats to the socio-economic wellbeing
of the inhabitants of this earth. Even though federal and state transportation engineers, policy makers, planners
and researchers have spent large sums of money and effort on this complex and ubiquitous problem, traffic
crashes is one of the top causes of fatal and non-fatal injuries in the United States. In this work a piecewise
approach was used to perform an exploratory,systemic characterization and analysis of the six-year (2008-
2013) traffic crash data from North Dakota to discover the nature, peculiarities and trends in the data.Several
important features and trends in the data were discovered and the outcome of this paper can be further used for
engineering design, planning and policy analysis. The research approach could be duplicated in any other state
to enhance its societal benefits. Heterogeneity and uncertainty will be fully addressed in future work.
In spite of the many advancementsinsafety technology, roadway design and engineering as well as
several policy initiativesaimed at addressingtraffic crashes (and it concomitant injuries and fatalities); it
continuesto saddle humanity and present significant health hazards and threats to the socio-economic wellbeing
of the inhabitants of this earth. Even though federal and state transportation engineers, policy makers, planners
and researchers have spent large sums of money and effort on this complex and ubiquitous problem, traffic
crashes is one of the top causes of fatal and non-fatal injuries in the United States. In this work a piecewise
approach was used to perform an exploratory,systemic characterization and analysis of the six-year (2008-
2013) traffic crash data from North Dakota to discover the nature, peculiarities and trends in the data.Several
important features and trends in the data were discovered and the outcome of this paper can be further used for
engineering design, planning and policy analysis. The research approach could be duplicated in any other state
to enhance its societal benefits. Heterogeneity and uncertainty will be fully addressed in future work.
The fatality of traffic accidents of the world population is approximately 1.2 million people every year. According to the World Health Organization(2004), related injuries from road incidents will rank 3rd for global burden of disease in 2030. In order to tackle traffic accidents effectively, one needs to analyse their traffic pattern. The traffic accident black spot programme is developed from analysis of traffic accidents (Chris’s Britain Road Directory, 2017). Black spot or black site refers to area with high traffic accident risk. In 1955, the UK first introduced an unprecedented type of traffic sign – Accident Black Spot Sign (The National Archives, 2017). Since then, more and more Commonwealth countries followed the UK to promote and develop their own black spot investigations. In this paper, I will first explain why traffic accidents occurs and common determination methods of black spots. After that, I will present the current situation of Hong Kong.
Nowadays, road crashes become a growing worldwide problem and result in around 1 million deaths now occurs in developing countries. Huge economic losses are now being incurred annually in the ASEAN countries as a direct result of road crashes and the most recent research suggests annual losses across the region are now in excess of US dollar 14 billion per year (around 2.1% of annual GDP of ASEAN region). In Myanmar, thousands of healthy lives are lost by road accidents comparing with other ASEAN countries. A research was conducted on a section of Pyay road with its high-accident locations to study and evaluate the cause of its frequent accidents. Initial study indicated that most of the accidents were attributed to human elements. This was included by the fact that a high percentage of accident was caused by the collision of moving vehicle and pedestrian. Identifying and removing hazardous spots to improve road safety will primarily requires well documented record on those roads with high-accident locations. These data base can inform to urban transport planner for road safety improvement. Kyaing"Road Accident Study on Some Areas in Yangon" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-5 , August 2018, URL: http://www.ijtsrd.com/papers/ijtsrd15944.pdf http://www.ijtsrd.com/engineering/civil-engineering/15944/road-accident-study-on-some-areas-in-yangon/kyaing
PATTERN OF ROAD TRAFFIC ACCIDENT: A CASE STUDY OF HAMIRPUR DISTRICT IN HIMACH...IAEME Publication
A road accident pattern study is useful in indentifying the causes of road accidents. In the present study Hamirpur district in Himachal Pradesh is selected for identification of the pattern of road accidents. The accidents data of the study area has been collected for past 6 years which include the accident particulars like day, date and time of the accident location, police station, number of vehicle involved, injury and number of person dead or injured. From the data collected, the accident pattern is studied and the causes of accidents along various road stretches are identified. It is found that 20% of the accidents took place at 3pm to 6pm of the day and these are the peak hours of the day, also the most accidents took place in year 2013.
This work discusses the study and development of a graphical interface and implementation of a machine learning model for vehicle traffic injury and fatality prediction for a specified date range and for a certain zip (US postal) code based on the New York City's (NYC) vehicle crash data set. While previous studies focused on accident causes, little insight has been offered into how such data may be utilized to forecast future incidents, Studies that have historically concentrated on certain road segment types, such as highways and other streets, and a specific geographic region, this study offers a citywide review of collisions. Using cutting-edge database and networking technology, a user-friendly interface was created to display vehicle crash series. Following this, a support vector machine learning model was built to evaluate the likelihood of an accident and the consequent injuries and deaths at the zip code level for all of NYC and to better mitigate such events. Using the visualization and prediction approach, the findings show that it is efficient and accurate. Aside from transportation experts and government policymakers, the machine learning approach deliver useful insights to the insurance business since it quantifies collision risk data collected at specific places.
Analysis of Machine Learning Algorithm with Road Accidents Data SetsDr. Amarjeet Singh
Beginning at now, street transport framework neglect to alter up to the exponential expansion in vehicular masses and to ascertaining the quickest driving courses and catastrophes inside observing differing traffic conditions is a critical issue right presently structures. To upset this issue is to explore the vehicle division dataset with bundle learning technique for finding the best street choice without calamity gauging by want aftereffects of best accuracy count by looking at oversaw AI figuring. In bits of information and AI, bundle strategies utilize diverse learning calculations to give indications of progress prudent execution. The assessment of dataset by facilitated AI technique (SMLT) to get two or three data takes after, factor perceiving proof, univariate evaluation, bivariate and multi-variate appraisal, missing worth medications and separate the information support, information cleaning/organizing and information perception will be done with everything taken into account given dataset. In addition, to look at and talk about the presentation of different AI figuring estimations from the given vehicle division dataset with assessment of GUI based street fiasco want by given attributes.
CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Democratizing Fuzzing at Scale by Abhishek Aryaabh.arya
Presented at NUS: Fuzzing and Software Security Summer School 2024
This keynote talks about the democratization of fuzzing at scale, highlighting the collaboration between open source communities, academia, and industry to advance the field of fuzzing. It delves into the history of fuzzing, the development of scalable fuzzing platforms, and the empowerment of community-driven research. The talk will further discuss recent advancements leveraging AI/ML and offer insights into the future evolution of the fuzzing landscape.
Quality defects in TMT Bars, Possible causes and Potential Solutions.PrashantGoswami42
Maintaining high-quality standards in the production of TMT bars is crucial for ensuring structural integrity in construction. Addressing common defects through careful monitoring, standardized processes, and advanced technology can significantly improve the quality of TMT bars. Continuous training and adherence to quality control measures will also play a pivotal role in minimizing these defects.
Automobile Management System Project Report.pdfKamal Acharya
The proposed project is developed to manage the automobile in the automobile dealer company. The main module in this project is login, automobile management, customer management, sales, complaints and reports. The first module is the login. The automobile showroom owner should login to the project for usage. The username and password are verified and if it is correct, next form opens. If the username and password are not correct, it shows the error message.
When a customer search for a automobile, if the automobile is available, they will be taken to a page that shows the details of the automobile including automobile name, automobile ID, quantity, price etc. “Automobile Management System” is useful for maintaining automobiles, customers effectively and hence helps for establishing good relation between customer and automobile organization. It contains various customized modules for effectively maintaining automobiles and stock information accurately and safely.
When the automobile is sold to the customer, stock will be reduced automatically. When a new purchase is made, stock will be increased automatically. While selecting automobiles for sale, the proposed software will automatically check for total number of available stock of that particular item, if the total stock of that particular item is less than 5, software will notify the user to purchase the particular item.
Also when the user tries to sale items which are not in stock, the system will prompt the user that the stock is not enough. Customers of this system can search for a automobile; can purchase a automobile easily by selecting fast. On the other hand the stock of automobiles can be maintained perfectly by the automobile shop manager overcoming the drawbacks of existing system.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
Event Management System Vb Net Project Report.pdfKamal Acharya
In present era, the scopes of information technology growing with a very fast .We do not see any are untouched from this industry. The scope of information technology has become wider includes: Business and industry. Household Business, Communication, Education, Entertainment, Science, Medicine, Engineering, Distance Learning, Weather Forecasting. Carrier Searching and so on.
My project named “Event Management System” is software that store and maintained all events coordinated in college. It also helpful to print related reports. My project will help to record the events coordinated by faculties with their Name, Event subject, date & details in an efficient & effective ways.
In my system we have to make a system by which a user can record all events coordinated by a particular faculty. In our proposed system some more featured are added which differs it from the existing system such as security.
Forklift Classes Overview by Intella PartsIntella Parts
Discover the different forklift classes and their specific applications. Learn how to choose the right forklift for your needs to ensure safety, efficiency, and compliance in your operations.
For more technical information, visit our website https://intellaparts.com
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Vaccine management system project report documentation..pdfKamal Acharya
The Division of Vaccine and Immunization is facing increasing difficulty monitoring vaccines and other commodities distribution once they have been distributed from the national stores. With the introduction of new vaccines, more challenges have been anticipated with this additions posing serious threat to the already over strained vaccine supply chain system in Kenya.
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CHARACTERIZING HAZARDOUS ROAD LOCATIONS AND BLACK SPOTS ON ROUTE N8 (DHAKA-BARISAL NATIONAL HIGHWAY) OF BANGLADESH
1. Journal of Built Environment, Technology and Engineering, Vol. 2 (March)
ISSN 0128-1003
2017
203
CHARACTERIZING HAZARDOUS ROAD LOCATIONS AND BLACK SPOTS ON ROUTE N8
(DHAKA-BARISAL NATIONAL HIGHWAY) OF BANGLADESH
Farzana rahman
Department of Civil Engineering
University of Asia Pacific, Dhaka-1215, Bangladesh
Email: farzana-ce@uap-bd.edu
Fayaz Uddin, Md. Mostafizur Rahman,
Department of Civil Engineering
University of Asia Pacific, Dhaka-1215, Bangladesh
Email: farzana_rahman@yahoo.com
Md. Ariful Islam
Department of Civil Engineering
University of Asia Pacific, Dhaka-1215, Bangladesh
ABSTRACT
Road traffic accidents and corresponding causality are the most concerning issues in the transportation sector of a developing
country like Bangladesh where road crashes are remarkably high. According to police reported road traffic accident database,
every year about 2800 or more accidents occur in Bangladesh. This research analyzes the various accident data from year 2007
to 2012 using Microcomputer Accident Analysis Package (MAAP5) software in route N8 (Dhaka – Mawa – Barisal – Patuakhali
National Highway) in Bangladesh. This research reveals accident prone locations which are commonly termed as black spot and
Hazardous Road location (HRL) on the route N8 followed by establishing maps by Geographic Information System (GIS). Head-
on, rear-end, overturning, side-swipe and hit-pedestrian are the most dominant types of accidents. Analysis shows that maximum
number of accidents occurred in fair weather in route N8. The result clearly indicates that buses contribute mostly in the
accidents.
Keywords: Accident, Dhaka-Barisal (N8) Highway, Black Spot, Hazardous Road Location, GIS, MAAP5.
Introduction
Road safety problem draws significant attention in a developing country like Bangladesh where road crashes are extremely high.
Road traffic accidents and the corresponding deaths are the most concerning issue in the transportation sector of the world.
According to WHO’s global status report on road safety 2015, more than 1.25 million people die each year on the world’s roads.
Only 28 countries, covering 7% of the world’s population, have comprehensive road safety laws on five key risk factors:
drinking and driving, speeding, and failing to use motorcycle helmets, seat-belts and child restraints (WHO, 2015). It has been
estimated that over 300,000 persons die and 10-15 million persons are injured every single year in road traffic accidents
throughout the world. Detailed analyses of global accident statistics indicate that fatality rates per licensed vehicle in developing
countries are very high in comparison with the industrialized countries. Statistics demonstrates that Bangladesh is the most
dangerous country in terms of number of accident among the South Asian countries. According to police reported road traffic
accident database, every year about 2800 or more accidents occur in Bangladesh. But the actual estimated road fatalities are as
high as 10,000-12,000 each year (Rabbi, 2013). Other sources estimated the fatalities as high as from 12,000 to 20,000 per year.
Ahsan, et al. (2012) identified that every year thousands of people are killed in road accidents in Bangladesh and 21 percent of
them are children. The safety problem is very severe by international standards with some 60 to 150 fatalities per 10,000 motor
vehicles in Bangladesh compared to around 25, 16, 2 and 1.4 in India, Srilanka, USA and UK respectively (Road Safety Fact,
2012). Moreover, road accidents have been shown to cost around 1% of annual gross national product (GNP) resources of
developing countries, which they can ill-afford to lose. Hence it is necessary to incorporate steps which can reduce road accident
rates and implement mitigating action, which can be taken to reduce the number and severity of road accident (Baguley et al,
1994; Kalga and Silanda, 2002).
The contributing factors for road accidents are typically classified into those associated with the driver, vehicle, and the
environment. Contributing factors associated with the driver include error, speeding, experience, and blood-alcohol level.
Factors associated with the vehicle include its type, condition and center of gravity. Environmental factors include the quality of
the infrastructure, weather, and obstacles. The majority of road traffic accidents are attributed to driver factors (Evans, 1991), and
this holds for many other modes such as boats (Bob-Manuel, 2002), bicycles (Cherington, 2000) and Snow mobiles (Osterom
and Eriksson, 2002).
In Bangladesh there are many sources for collecting road accident data e.g. police records, hospitals, newspaper reporting etc.
However the primary source of accident data is the Accident Report Forms (ARF), which is primarily filled up by police
personnel. For each accident the ARF is completed by a sub-inspector of police after visiting the accident spot. The ARF is then
dispatched to the respective Accident Data Units (ADU) where the information from ARF and location of the accident is
2. Journal of Built Environment, Technology and Engineering, Vol. 2 (March)
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incorporated into Microcomputer Accident Analysis Package (MAAP5). The MAAP5 system is used to analyze accident
database and provide the pattern of accidents in the country (Road Safety Fact, 2012). Being a developing country the road safety
situation in Bangladesh is very severe compared to international standards. Some major reasons contributing to these are drivers
fault, lack of infrastructure, topography, road geometry, environment and weather conditions etc. Dhaka – Mawa – Barisal –
Patuakhali national highway (N8) is one of the major routes where a lot of road accident took place.
Corresponding author: farzana-ce@uap-bd.edu
Although developing countries have a much little share of registered vehicle, percentage of deaths is quite high there (Hoque et
al., 2001). The fatality rate in road crashes is very high accounted about eighty five deaths per ten thousand registered motor
vehicles per year in Bangladesh. Dhaka – Mawa – Barisal - Patuakhali national highway (N8) is a major route where huge
number of accidents occurs. Although Dhaka to Mawa (or Barisal or Patuakhali) is also covered by waterways, pressure on
surface transport is relatively low for this route. Recently the construction Padma Multipurpose Bridge has commenced to
connect the south-western parts with the capital at Mawa-Jajira point (Padma Multipurpose Bridge, 2013). It is obvious that the
Average Daily Traffic (ADT) of N8 will be much higher than before. So it is high time to analyse the accidents in this route, and
establish engineering countermeasures for enhancing the safety situation of this route.
This study focuses particularly on accidents in the N8 route aiming to examine the distribution of accident based on types with
particular emphasis on identification of Hazardous Road Locations (HRL) and Black Spot. Accident database shows that in
2007-2012, 398 accidents occurred in this route. Among them 311 accidents are fatal and fatality index was 1.27.
LITERATURE REVIEW
An in depth literature review was conducted before working out the investigation of accident by Microcomputer Accident
Analysis Package (MAAP5) and Mapping of Black Spot using GIS on Dhaka – Mawa – Barisal – Patuakhali (N8) highway.
Traffic accident database is extremely inadequate in developing countries. Under-reporting of accidents is another limitation of
accident record keeping system. For example approximately 50 percent of fatal accidents are under-reported such as Vietnam,
Thailand (WHO, 2013).
Accident Database and GIS History and Application in Transportation
GIS is a computer system for capturing, storing, querying, analyzing and displaying geographic data. GIS represents a new
paradigm for the organization of the information and the design of information system, the essential aspect of which is the use of
concept of location as the basis of structuring of information systems. GIS permits user to display database information
geographically. The most useful aspect of GIS as a management tool is its ability to associate spatial objects such as street name,
route number, with related information like accident cause etc. In recent years, there has been much discussion about GIS
technology and applications across a wide variety of settings. Moreover, there have been many GIS-related developments in
transportation planning and engineering (FHWA, 1993; Lewis, 1990; Kim and Levine, 1996).The power of them is rooted in the
fact that GIS allows inferences to be drawn about the spatial nature of the data. Examples of GIS applications in transportation
include pavement management systems that work with road design, highway mapping, optimal vehicle routing, automated
mapping /facilities management (AM/FM) used for infrastructure management, drainage design, traffic modeling and accident
analysis, anddemographic analysis for funding justification (Antenucci et el. 1991). In developed countries, especially the US
and Western Europe, GIS technology has been widely applied to urban traffic information management.
Meyer and Sarasua (1996) focus a common and coordinated data system that will serve all aspect of transportation management
like congestion, bridge, safety, public transportation etc. Martin (1993) proves that incorporating GIS in a pavement management
program improves the reporting and analysis of data through the production of maps and graphic displays. In a separate study by
Johnson and Demetsky (1994), the capabilities of GIS in providing a framework for a management system were proven once
again. Faghri and Raman (1995) developed a GIS –based traffic system for traffic accident information for Kent Country,
Delaware. This system include knowledge about the crash condition such as incident site, frequency and point of road way.
Hoque (2013) asserts that vulnerable road users (VRUs) account for over 50% of road traffic casualties. He also reports that 70%
of crash fatalities occur in rural areas and the key risk factors include high speed of motorized traffic, the mix of heterogeneous
traffic, and the presence of a high number of vulnerable road users. Rósen et al., (2011) stated that VRUs can survive from a
crash with motorized traffic more likely if the impact speed is reduced.
Another study Apparao et al. (2013) focus on identification of accident black spots for highway using GIS for some developing
countries. Road traffic accidents have been recognized as one of those adverse elements which contribute to the suffocation of
economic growth in the developing countries, due to the high cost related to them, hence causing social and economic concern.
So Traffic safety is an important key and integral role in sustainable transportation development areas. Alam and Ahsan (2013)
also focus on GIS maps for clear identifying accidents concentrating on the portion of the Dhaka – Chittagong Highway which
requires proper treatment and remedial measures to decrease the higher accident rates. Shifun (2007) also did the similar work on
a section of Asian highway (Dhaka-Aricha).
Accident Data Analysis Using MAAP5 and GIS
The accident analysis was done on N1 National Highway by analyzing six years accident data from the year 2004 to 2009. The
accident data was collected from the MAAP5 database of Accident Research Institute (ARI) of Bangladesh University of
Engineering and Technology (BUET). The (HRL) and Blackspots were identified by analyzing total and fatal accident data on
the highway. Accident data was analyzed at every 100 meter interval on the road. The locations which have three or more fatal
3. Journal of Built Environment, Technology and Engineering, Vol. 2 (March)
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accidents and/or five or more total accidents during the six year time period have been identified as HRL (Alam et al., 2013).
Shifun (2007) has an analysis on a portion of N5 National Highway named Dhaka-Aricha highway by analyzing seven years
accident data from the year 1998 to 2004. The locations which have at least three accidents during the seven year time period
have been identified as HRL.
METHODOLOGY
This study involves the accident data collection, data analysis by using MAAP5 software, and site investigation followed by a
questionnaire survey and finally establishes a map where black spot and HRL were identified using GIS.
Data Collection
Data collection was conducted from two sources. Data on traffic crashes were collected from Accident Research Institute (ARI),
BUET which is one of the major official sources of accident data in Bangladesh. The Accident Report Forms (ARF), are
primarily filled up by police personnel nearby the accident location. Later the ARF are compiled by ARI to work it with MAAP5
software. Accident data were analyzed for the period of 6 years (2007-2012) for identifying black spot or HRL. Crash data was
analyzed by MAAP5 software and findings were organized by accident severity, accident categories, accident period, collision
type, vehicle involvement in the accident, accident location, type of pedestrian casualties etc.
Procedure of preparing map
Subsequently map displaying HRL or Blackspot will be generated using those crash data. From this analysis we can finally
conclude where improvement should be made or we can identify the black spots where accident occurs frequently. Following
steps were followed for identifying the Blackspot and HRL.
• Collecting of digitize map of shape file of road network of Bangladesh and to select a projection system for the
digitized map. MAAP5 based analysis gives the Kilometer post and coordinate of accident location.
• Export the accident attribute table generated in dbase format so that it can be imported to ArcMap and join attribute
table to map. The coordinate value has been extracted from attribute table and placed in N8 shape file.
• Finally establish the accident Blackspots or HRL on the given road network.
The steps for Blackspot & HRL identification is shown in Figure1. On any road network, it has been seen that accidents are not
randomly distributed, but are clustered at certain locations. Accident data was analyzed at 100 meter interval on the N8 route.
The location is termed as black spot if a 100 meter segment of a highway the accident number is three or more in 5 year period.
Similarly in a 1000m segment of a highway if accident number is four or more in 5 year period then the location is termed as
hazardous road location (HRL). The procedure followed in identification of Blackspot or HRL on Dhaka-Barisal highway is
divided into few steps. The steps are shown in Figure 1:
Fig. 1 Steps Followed in GIS for Blackspot & HRL identification
Data Analysis using MAAP5 Software
This section discusses the characteristics and striking features of overall road traffic accidents on national highways in
Bangladesh. Accident data were analyzed for the period of 6 years from 2007-2012. The analysis involves the determination of
accident and severity in the following two categories:
1. Accident of all route in Bangladesh
2. Accident of N8 route in Bangladesh (Dhaka – Mawa – Barisal - Patuakhali National Highway)
The analysis of crashes involves the determination of accident and severity depending on several features. Accident of all routes
in Bangladesh is shown in Table 1.
Accident Severity: Table 2 shows that accident in different routes of national highways in Bangladesh. Percentage of accident
was 19%, 16%, 8%, 8%, 24%, 5%, 7%, 9% and 4% in route number N1 to N9 respectively. It can be observed that 80% of all
accidents are fatal and 15% are grievous type. Fatality index appears highest (1.59) in route N4.
Table 1: Distribution of accidents by route
Name of Route Length
(km)
Accident
number
Accident
per km
Dhaka - Chittagong - Cox's Bazar - Teknaf (N1) 455 830 1.82
Dhaka- Sylhet –Jaflong (N2) 286 684 2.31
Dhaka - Tongi-Mymensingh (N3) 112 347 3.09
Joydebpur -Tangail - Madhupur – Jamalpur (N4) 146 361 2.47
Scaning
of a Map
containing
the study
route
Selection
of a
Projection
System
Creation
of
Shapefile
Accident
attribute
table
generate
Dividing
the shape
file
Joint
attribute
table with
shape file
Querying
shapefile
to get
Blackspot
or HRL
4. Journal of Built Environment, Technology and Engineering, Vol. 2 (March)
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Dhaka -Nabinagar -Manikganj - Bogra - Panchagarh (N5) 507 1036 2.04
Kashinathpur - Pabna- Rajshahi (N6) 150 205 1.37
Daulatdia Ferryghat – Goalchamot- Khulna – Digraj (N7) 252 302 1.2
Dhaka – Mawa- Barisal -Patuakhali(N8) 191 398 2.08
Jamuna Approach Road (N9) 43.1 154 3.57
Table 2: Distribution of accidents by severity
Accident Casualty
Route
no.
Fatal Grievous Simple Collision Total Fatal Grievous
injury
Simple
injury
Total % of total
fatality
Fatality
index
1 670 108 25 27 830 1242 269 46 1557 19.78 1.50
2 547 108 17 12 684 1025 239 31 1295 16.45 1.50
3 296 39 7 5 347 495 92 11 598 7.60 1.43
4 297 44 11 9 361 575 100 22 697 8.86 1.59
5 803 167 41 25 1036 1386 348 73 1807 22.96 1.34
6 170 25 7 3 205 264 63 9 336 4.27 1.29
7 227 61 8 6 302 437 119 18 574 7.29 1.45
8 311 69 12 6 398 507 154 34 695 8.83 1.27
9 115 26 5 8 154 222 76 14 312 3.96 1.44
Total 3436 647 133 101 4317 6153 1460 258 7871 100 1.43
Road Class: Figure 2 demonstrates accidents in different routes depending on road class. Result shows that 46% of total
accident occurred in national highway which was the maximum. 18% of the total accident took place in city road, and 14% was
in regional road.
Collision Type: Figure 3 shows that 42% of total accidents was vehicles hit pedestrians type, while head on collisions was about
23% of total accidents. Rear end collisions were 13% of the total accidents.
46%
14%
12%
10%
18%
National Regional Feeder Rural City
23%
13%
6%7%
1%2%
3%
42%
3%
Head-On Rear-End
Side-swipe Overturn
Hit Object (in road) Hit Object (side road)
Hit Park Vehicle Hit Pedestrian
Other
Fig. 2 Distribution of accidents by collision type Fig. 3 Accident in different road class
Pedestrians Accident: Figure 4 shows a comparison between total number of accidents and pedestrian accidents in different
routes of Bangladesh. Figure 4 demonstrates clearly that in N3, N6, N7, N8 and N9 the difference between the total number of
accident and the total pedestrian accident in the routes are comparatively less, which means that pedestrian accident frequencies
are higher. Figure 5 shows that 89% of pedestrian accident was fatal and 10% was grievous injury.
0
200
400
600
800
1000
1200
1 2 3 4 5 6 7 8 9
Accident number
Route No. Total Accident
Hit Pedestrian
89%
10%
1%
Fatal
Grievous
Simple
Fig. 4 Accidental number of hit pedestrian and total accident Fig. 5 Distribution of accidents by pedestrians severity
Accident in route N8 in Bangladesh
The analysis involves the determination of accident and severity features according to environmental characteristics, road related
characteristics, vehicle, driver, pedestrian related characteristics and other contributing characteristics.
5. Journal of Built Environment, Technology and Engineering, Vol. 2 (March)
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Environmental characteristics
i) Year: Table 3 illustrates yearly distribution of accident and corresponding causality. In 2007
casualties per accident rate was 1.45 and in 2010 the rate was the maximum (2.12). In 2012 casualties per accident was 1.70.
Although accident frequency is decreasing but casualties per accident are rising.
Table 3: Distribution of accidents and casualties by year
Year Accidents number Casualties number Casualty/accident
2007 100 145 1.45
2008 110 178 1.62
2009 64 132 2.06
2010 41 87 2.12
2011 40 80 2
2012 43 73 1. 70
Total 398 695 1.75
ii) Month of year: Figure 6 shows that accidents were higher during the month of December, March, April, May, and January.
iii) Time of Day and Lighting Condition: Figure 7 illustrates hourly distribution of accident in route N8. It is clear that
accidents are more frequent between 9.00am-12.00pm. It is about 23% of total accident. In between 12.00pm -3.00pm the
accident frequency is also high.
39
29
43
37
38
31
28
28
32
30
27
36
0 5 10 15 20 25 30 35 40 45 50
January
February
March
April
May
June
July
August
September
October
November
December
Accident number
Month
Fig. 6 Accident distribution by month
Figure 8 makes clear that, most of the road accident and corresponding casualties occur in day period. The frequency of accident
in dusk is 12% of total accident in route N8. At night when it is dark 11% of total accident took place. It should be noted that at
night traffic volume in route N8 is comparatively low.
14
25
61
93
78
54
45
28
0
20
40
60
80
100
Accident No
73%
12%
4%
11%
Day
Dawn/Dusk
Night (Lit)
Night (UnLit)
Fig.7 Accident distribution by lighting Fig. 8 Accident distribution by time of the day
iv) Weather conditions: Table 4 shows the relationship of weather and vehicular contribution with accident rate. Analysis
shows that maximum number (94%) of accidents occurred in fair weather in route N8. Bi-vehicular accident frequency
represents the accident between two vehicles occurring in a particular weather. Bi-vehicular accident frequency is 57.15% in
rainy weather. It is determined by the percentage of accidents occurring in contribution to two vehicle divided by the total
number of accidents in that particular weather.
Table 4: Distribution of accidents by weather
Weather
Accident Number
No. of vehicles contribution in
accident
Total Bi-vehicular accident frequency
6. Journal of Built Environment, Technology and Engineering, Vol. 2 (March)
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1 2 3
Fair 242 132 1 375 35.2%
Rain 6 8 0 14 57.15%
Wind 0 1 0 1 100%
Fog 5 3 0 8 37.5%
Total 253 144 1 398
Road related characteristics
i) Type of junctions: Figure 9 shows the distribution of accident in different types of junction. 82% of total accidents occur in
non-junction in route N8. In other types of junction and T junction the percentage of accidents are 9% and 5% respectively.
Figure 10 shows that, the distribution of fatal accident in different types of junction. 84% of total accidents occurred in non-
junction referring to straight portion of road in route N8. In round junction and T junction the accident frequency is 7% and 4%
respectively.
84%
4%
4%
1% 7%
Not -Junction Cross T Juntion StagX other
Fig. 9 Total accident distribution by different junction Fig. 10 Fatal accident distribution by different junction
ii) Road Divider: Result depicts that maximum accident (95%) occurs in the locations where no divider is present.
iii) Road geometry: Table 5 demonstrates the distribution of accident based on different road geometry. Most accident occurred
in straight road in route N8.
Table 5: Distribution of accidents by road geometry
Road geometry Accidents No
Straight 361
Curve 27
Slope 8
Curve & Slope 0
Crest 2
Total 398
Vehicle Related Characteristics
i) Vehicle damage: Figure 11 shows the distribution of accidents based on vehicle damage. It is demonstrated that 20% of the
vehicles are suspected for both front damage and multiple damage. 50% of the vehicles had no damage. They are presumed to
be responsible for pedestrian causality.
ii) Vehicle type: Figure 12 indicates contribution of different types of vehicles in accident. The result clearly reveals that buses
contribute mostly in the accidents. Heavy trucks and motor cycles also contribute a lot to the accidents.
50%
20%
3%
2%
1%
20%
4%
None
Front
Rear
Right
Left
Multiple
Other
6 7 2
60
9 12
26 28
211
6 4
18 14
64
2 2
46
Vehicle…
Fig. 11 Distribution of accidents based
on vehicle damage
Fig. 12 Types of vehicles contributing in accident
82%
4%
5% 9%
Not -Junction Cross
T Juntion other
7. Journal of Built Environment, Technology and Engineering, Vol. 2 (March)
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Pedestrian related characteristics
i) Pedestrian Location and Action: Figure 13 shows the distribution of accident based on pedestrian position. When
pedestrians walk/stay in road side then maximum (39%) accident occurs. 31% accident took place while
pedestrians were on the road. Figure 14 shows the distribution of accident depending on pedestrian action. Fatal
accidents as well as total accident frequencies are much while the pedestrian were walking on the edge or on the
side of the road or along the shoulder.
ii)
31%
3%
23%2%
39%
2%Pedestrian Cross
Cross with in 50 m
On Road
Footpath
Roadside
BusStop
Fig. 13 Distribution of accident based on pedestrian position
20
54
22
71
2
25
67
23
87
4
None Crossing On Road Edge Play on road
Fatal accident total accident
12
12
13
8
11
8
9
10
2
10
2
6
6
2
0 5 10 15
0-5
6-10
11-.15
16-20
21-25
26-30
31-35
36-40
41-45
46-50
56-60
66-70
71-75
>75
Accident Number
Age
Fig. 14 Distribution of accident depending on Fig. 15 Distribution of accident based on
pedestrian action pedestrian's age
ii) Pedestrian age: Figure 15 shows the distribution of accidents based on pedestrians’ age. It is found that accident frequency is
most for youth group age ranging from 11-15years. Accident number is also high for 46-50, 36-40, 21-25, 6-10 and 0-5 years’
old groups. Result shows that 82% casualties occurred for male pedestrians.
Contributing factors for accidents
Figure 18 clearly illustrates that pedestrian, road fault and over speed are the most important casual factors behind accident.
152
26
12 20
8 14 5 2
39
3
30
1 5
80Accident No.
Fig. 16 Contributing factors for accidents
i) Drunk driving: It is evident from figure 17 that most of the drivers were not suspected for drinking alcohol.
8. Journal of Built Environment, Technology and Engineering, Vol. 2 (March)
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4%
96%
Suspected
Not
Suspected
12%
8%
3%
77%
Fatal
Grievous
injury
Simple
injury
Non injuried
Fig. 17 Suspicion drunk driving Fig. 18 Distribution of accident based on driver’s
injury
ii) Driver injury: Figure 18 demonstrates that percentage of driver’s injuries is comparatively low while 12% are fatal
accidents.
Black-spot or HRL Identification
The study investigated a total 191 km length of route N8. The highway under study encompasses varied geometrical and
environmental conditions. For accident analysis purpose, the highway was divided into 1910 divisions where each section
covered 100m length. The HRL and Blackspots of route N8 is presented in Figure 19. Seven HRL and seven black spots were
identified in Dhaka – Mawa – Barisal - Patuakhali National Highway.
9. Journal of Built Environment, Technology and Engineering, Vol. 2 (March)
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Fig. 19 Blackspot and HRL on N8 highway (Map.1)
Table 6: Blackspot or HRL on Dhaka-Barisal highway (2007-2011)
Type* km Post Length (m) Location Total accident
H1 7 to 7.5 500 Equria Bazar / Bus Stand 5
P1 13.9 to 14 100 Abdullahpur Bazar / Bus Stand 4
P2 50.8 to 50.9 100 Arial Kha Bridge (E) 3
P3 57.6 to 57.7 100 Solindia Bridge 3
H2 59 to 59.7 700 Maligram Bus Stand, Maligram High School (R) 12
H3 184.5 to 185.3 800 Takerhat Bridge, Gopalganj (L) Intersection 5
H4 199.6 to 19.8 200 Mostafapur Bus Stand 6
P4 214.9 to 215 100 Illah Bus Stand 4
H5 236.8 to 237 200 Jorchuri Bus Stand 4
P5 266.2 to 267.3 100 Barisal Jute Mill (R) 3
H6 271.1 to 272.1 1000 Boalia Bazar, Bailey Bridge 4
P6 278.5 to 278.6 100 Bharpasha Bottola Bus Stand 3
H7 280.1 to 280.4 300 Laxmipasha Primary School (L), Bharpasha bazar /Bus stand 4
P7 289.6 to 289.7 100 Badarpur Bus Stand / Bazar 4
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* P= Black spot and H=Hazardous Road Location
SITE INVESTIGATION
Road conditions were investigated in black spots or HRL on N8 highway route. Following observations were obtained:
• Narrow road
• Narrow and risky bridge
• No shoulder No road marking
• Broken road surface
• Road blockage by para-motorized
• Shoulder damage due to rutting of soft soil
• Unsafe pedestrians action
• No-warning helmet during motorcycle driving
• Over-speeding and Over-taking tendency
• Have not proper space for bus stop/stand
Fig. 23 Narrow Bridge Fig. 24 Risky Bridge Fig. 25 Shoulder Damage
Fig. 26 Shoulder Damage due to Rutting
of Soft Soil
Fig. 27 Soil Displacement from edge Fig. 28 Road blockage by Para
motorized vehicle
FINDINGS
From this study it is found that a total of 398 accidents have occurred on Dhaka – Barisal Highway during the six year duration
from 2007-2012 and 311 accidents among the total are fatal. So, it is clearly visible that about 78% of the accidents are fatal
which have caused severe casualty and loss to life as well as the economy of our country. The GIS maps prepared from six years
accident data (2007 to 2012) have shown that 7 black spots and 7 hazardous road locations are situated on route N8. About 9% of
the total accidents occurred in this portion of Dhaka-Barisal highway. Most important feature in this route is pedestrian causality
which account for 51% of total accident. So it has been clearly identified that accidents are concentrated on this portion of the
Dhaka –Barisal Highway. This portion requires proper treatment and remedial measures to decrease the higher accident rates.
Dhaka-Barisal Highway has been selected from all the 14 hazardous locations on the basis of the highest number of accidents.
Details accident analysis on this route on various parameters has given the following accident scenario: about 80% of the total
accidents are fatal and per accident fatalities is 1.27. Accident and corresponding causality is 1.75. In 2007 casualty/accident rate
was 1.45 and in 2010 the rate was maximum (2.12). In 2012 the casualty/accident was 1.70. Accident frequency is higher in the
month of March, April, May, December and January. The accident frequency is highest between 9.00am-12.00pm. It covers 23%
of total accident. Head-on, rear-end, overturning, side-swipe and hit-pedestrian are the most dominant types of accident.
Accident and casualty statistics of 6 years (2007-2012) shows that, these five types account for 90% of total accidents in route
N8. Analysis shows that maximum (94%) accident occurs in fair weather in route N8. But analysis of bi- vehicular accident
shows highest accident frequency (57.15%) in rainy weather. Road fault and over speed is the most important casual factors
behind accident. Bus and motor cycle are most accident prone modes of transport. 50% vehicles have found that no damage was
occurred during accident. They are supposed to be responsible for pedestrian causality. Pedestrian casualties occur half of
accidents. When pedestrians walk/stay in road side then maximum accident occurs. Most of the driver was not suspected for
drinking alcohol. The driver injuries percentage is comparatively low.
CONCLUSION
This study suggests the factors contributing to accidents are road environment, weather, geometry, driver’s characteristics and
vehicular factors. This study will finally use GIS for identifying Black spot or HRL. This paper underlined salient features of
road accident characteristics and delineated typical safety issues .Further site investigation is required to design appropriate
remedial measures. The most evident point of this route is that about half of total accident results pedestrian causalities.
Therefore pedestrian safety is a major concern for those routes.
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Some more general recommendations are as follows:
• Narrow road and bridge is the main reason of accident in few Blackspot or HRL in N8.
• Markets located beside highways should be replaced to other place.
• Space should be provided for bus stop/ stand.
• Para-motorized vehicles block the highway space. So a proper management of these vehicles should be ensured.
• Adequate enforcement should be provided to ensure that the drivers follow the traffic rules strictly.
• Some facilities for pedestrians such as overpass, underpass, zebra crossing, pedestrian signal etc should be provided
where required.
• Exclusive lanes for non-motorized vehicles should be provided which may reduce rare end collision.
There are some limitations in this study owing to the data sources and approach used for the analysis. The present study is based
on the police crash report from ARI. The detailed information about the crash is limited due to the simplicity of crash report
form. However, this study provides several comprehensions into the crash injury severity for considering mitigation strategies of
traffic crashes in developing countries. Additionally road safety is a collective concernvfor decision-making by government as
well as non-governmental organizations, industry and people from many different disciplines.
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