Volume study pradipta banik 1204012
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Pradipta Banik Dip conducted a traffic volume study at the intersection of Panthapath and Russel Square roads in Dhaka, Bangladesh. The objectives were to determine vehicle composition, service flow rates, and average daily traffic. Data was collected manually on March 23rd between 8am-12pm. Analysis found cars comprised 49% of traffic from Panthapath to Russel Square and 52.1% from Russel Square to Panthapath. Average daily traffic was higher from Russel Square to Panthapath. Peak traffic hours were 10:30-11:30am and 11:30-12:30pm. Limitations included a lack of modern counting instruments and unreliable manual counting methods.
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2 To determine hourly volume in terms passenger car equivalents (PCE) To determine Vehicle composition in traffic stream
3 To compare the results with standard design service volumes and identify remedies.
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5 Counting technique to produce estimates of volume, rate flow and capacity.
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Volume study pradipta banik 1204012
- 1. Traffic Volume Study Presented by: Pradipta Banik Dip Student ID: 1204012
- 2. Bangladesh University of Engineering & Technology Department of Civil Engineering CE 454 Transportation Engineering II: Pavement Design & Traffic Studies Course Teachers: Dr. Md. Shamsul Hoque & Sanjana Hossain
- 3. Contents Introduction Objectives Scope of the study Study Site Methodology Site Conditions Analysis of collected data Conclusion Recommendations Limitations
- 4. Introduction Traffic Volume :- Number of vehicles crossing a section of road per unit time at any selected period. One of the fundamental measures of traffic on a road system. Used as a quantity measure of flow. Unit: vehicles per day and vehicles per hour.
- 5. Objectives General Objectives: Geometric Design. Roadway traffic Design. Planning Purpose. Improvement Purpose. Dynamic traffic management purpose. Analytical Objectives: Determination of vehicle composition in traffic stream. To determine service flow rate in PCU/PCE unit. Estimation of Average daily traffic (ADT) using expansion factors. To determine directional distribution (DD).
- 6. Magnitudes, classifications and the time and directional split of vehicular flows. Proportions of vehicles. Hourly, daily, yearly and seasonal variation of vehicular flows. Scope of the study
- 7. Study Site
- 8. Methodology
- 9. Direct method: Data is counted by using hand tally manual counter. Indirect method: In this method, data is collected using video camera. Video is captured for long time and data is collected later by rewinding.
- 10. Equipment Used For Manual Counting Method Tally sheet Clip Board Stopwatch
- 11. Equipment Used For Automatic Counting Method Automatic traffic counter, Pneumatic tube counter, Inductive loop & Weight in motion sensor
- 12. Location: Panthapath-Russel SquareRoad(just opposite of Samorita Hospital) Date: 23/3/17 Day: Thursday Status: Working Day Time Schedule: 8am to 12pm Weather condition: Sunny, partially overcast Temperature: 32 degree Celsius Equipments: Tally sheets, stopwatch etc. Site conditions
- 13. Analysis of Collected Data 2% 1% 13% 49% 3% 4% 1% 8% 19% 0% Vehicle composition(Panthapath to Russel square) bus truck motorcycle car jeep pickup ambulence microbus babytaxi
- 14. 1.30% 0% 20.10% 52.10% 2.10% 1.30% 1% 6% 16.10% 0% Vehicle composition(Russel square to Panthapath) bus truck motorcycle car jeep pickup ambulence microbus babytaxi tempoo
- 15. 42.93% 57.06% Directional Distribution Panthapath to Russel Square Russel Square to Panthapath
- 16. ADT in Panthapath to Russel square direction :18827 PCU AADT in Panthapath to Russel square direction :30782 PCU ADT in Russel Square to Panthapath direction :22836 PCU AADT in Russel Square to Panthapath direction :37337 PCU
- 17. 5.12% 3.79% 6.10% 5.45% 6.68% 5.54% 4.61% 3.72% 0.00% 1.00% 2.00% 3.00% 4.00% 5.00% 6.00% 7.00% 8.00% 0 1 2 3 4 5 %ADT Time Flow Fluctuation Curve Panthapath to Russel Square Russel Square to Panthapath 8:30-9:30am 9:30-10:30am 10:30-11:30am 11:30-12:30pm
- 18. Conclusion High proportion of car in the proximity of the location to residential area of high income group people. High percentages of car often creates high congestion on road, so flow is decreased. The average flow fluctuation curve shows two peaks at 10:30- 11:30am and 11:30-12:30pm. The directional distribution was more on Russel Square to Panthapath as it was time of morning rush hour.
- 19. Trained and skilled enumerators should collect data which is first requirement of Manual counting. Automatic counting system should be introduced for more reliable data. Actual expansion factor should be introduced for Dhaka city. For design purpose minimum 3 days Data should be collect. Before final survey reconnaissance survey or pilot survey is necessary. Recommendations
- 20. Lack of modern instrument for vehicle counting caused a lot of work sweating in our job. But still we complete the job as precise as we can. Our funding was not there, still we are not demoralized. Our self-protection equipments were not sufficient to perform the job safely. This volume study was practiced by un-skilled enumerators, which may lead to some error in data collection process. Data collected by manual method of counting, which is unreliable and irreversible. Limitations