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The Study on Method to Determine the Priority in Sidewalk Installation on Rural Road
1. International Journal of Engineering Science Invention
ISSN (Online): 2319 – 6734, ISSN (Print): 2319 – 6726
www.ijesi.org ||Volume 5 Issue 11|| November 2016 || PP. 90-94
www.ijesi.org 90 | Page
The Study on Method to Determine the Priority in Sidewalk
Installation on Rural Road
Won Bum Cho
Senior Researcher, Korea Institute of Civil Engineering and Building Technology, Korea
Ph.D. Student, Department of Transportation Engineering, University of Seoul, Korea
Abstract:A sidewalk as part of the road facilities to secure the pedestrian safety in Korea shall be provided
when the pedestrian and vehicle traffic reach to a certain level but applying this regulation to the rural road
where there are less pedestrian traffic but vehicle traffic at high speed and thus the driver's attention to the
pedestrians is relatively low is not rational. Thus the installation of the sidewalk shall be determined, taking into
account of the pedestrian traffic accident record and the characteristics from the viewpoint of traffic
environment to the pedestrian. Installation of sidewalk is greatly dependent on economic efficiency, particularly
to the rural road. For rational investment within the given budget, it's necessary to determine the priority with
regard to sidewalk installation, considering the pedestrian safety, regional society's need and installation effect
comprehensively. Thus this study is intended to propose the evaluation items and quantitative method with
regard to the installation priority in consideration of the function of the road to be installed, regional social and
cultural characteristics and overall road and traffic conditions such as pedestrian traffic pattern and school.
Keywords:sidewalk, rural road, pedestrian, priority, weight factor
I. Introduction
Behind the rapid economic development in Korea, a volume-oriented and vehicle-focused policy has been
mainly implemented. As a result, sidewalk was missing from the project, despite of the absolute need for the
safety of the pedestrian near the town or school, due to budget problem, which has caused the threat to
pedestrian traffic and accessibility as well as increased traffic accident while the pedestrian was walking. Poor
traffic condition for the pedestrian accounts for 22% of the total accident and 38% of the death toll (2015)
indicating the accident between vehicle and pedestrian, and thus safeguard for the pedestrian is more than
critical now.
A sidewalk which is the part the road facilities for pedestrian traffic safety shall be provided in case of the
pedestrian traffic 150 persons/day and vehicle traffic 2,000 cars/day in accordance with the 「Regulation on
standard for road structure․facilities (2009). In urban road where pedestrian traffic is high, sidewalk is available
mostly while rural road which fails to meet the installation requirements lacks the sidewalk in general. Given the
seriousness of fatal pedestrian accident, life of rural residents and comfort traffic, safeguard for the pedestrians
shall be provided as needed, but for rational investment within a given budget, it's necessary to determine the
priority with regard to sidewalk installation, considering the pedestrian safety, regional society's need and
installation effect comprehensively. Particularly, frequency of the accident at same spot and damage are
important data in determining the safety of the spot which shall be considered in determining the priority of
sidewalk installation but given the additional purpose to enhance the user's convenience and grant the passage
right, besides the safety of the pedestrian, it's desirable to determine the priority, taking account of others such
as accident pattern, damage and school zone function.
Thus this study is intended to propose the evaluation items and quantitative method with regard to the
installation priority in consideration of the function of the road to be installed, regional social and cultural
characteristics and overall road and traffic conditions such as pedestrian traffic pattern and school.
II. Review of the Standard for Installing Sidewalks
(1) Korea: Regulation on standard for road structure and facilities (2009, MOLIT)
A sidewalk shall be provided in case of the pedestrian traffic 150 persons/day and vehicle traffic 2,000 cars/day
and a sidewalk shall be in principle separated from the vehicle traffic for safe and smooth traffic and economic
condition, facility efficiency and improvement of traffic safeguard shall be considered. The width of sidewalk
shall be at least 2.0m to accommodate two persons crossing each other at a time but when refurbishing existing
rural and urban road or the available space is insufficient to provide 2.0m width, effective width may be reduced
to 1.5m according to the regulation.
2. The Study on Method to Determine the Priority in Sidewalk Installation on Rural Road
www.ijesi.org 91 | Page
(2) USA: A Policy on Geometric Design of Highways &Streets(2001), Design and Safety of Pedestrian
Facilities(1994)
Pedestrian's pattern is defined as follows in the United States, which is recommended in determining the
location of sidewalk.
The pedestrian tends not to consider 1.5km or longer as commuter distance.
The pedestrian considers 1.0km or longer as the limit to walk to take the bus. 80% of walk to take the bus
was 1.0km or less.
50% of Pedestrian walk is for shopping and 11% only for commuting and thus heaviest pedestrian traffic is
around the noon, not commuting hours and mean walking speed is 0.8~1.8m/s.
Regulation on width of sidewalk is defined as follows.
Minimum 1.5m wide at commercial-industrial district with a 60cm-wide way marking
Minimum 1.5m wide at residential area away from main commercial district with a 60cm-wide way
marking
Minimum 1.5m wide with a 60cm-wide way marking when 4 households or more per acre
Minimum 1.2m wide with a 60cm-wide way marking when 4 households or less per acre
3) Australia: Guide to Traffic Engineering Practice Part13-Pedestrians(1995)
In Australia, sidewalk depending on pedestrian traffic only is considered not to be desirable because sidewalk
may cause the pedestrian traffic and the sidewalk is provided to the location with heavy pedestrian traffic.
Pedestrian traffic is excluded from regular investigation by the road manager and thus it's difficult to predict the
pedestrian traffic and regional development density serves the indicator of the need for installing the sidewalk.
1.2m is appropriate as minimum width at most of the roads except commercial district and as the minimum
width to accommodate the wheelchair is 0.9m, 1.8m is suggested as the minimum width to accommodate two
wheelchairs.
Table 1. Width of sidewalk in Australia
4) Canada: Roads and Transportation Association of Canada, Manual of Geometric Design Standards for
Canadian Roads(1986)
In Canada, a sidewalk shall be, in principle, provided along the urban road at both sides, except the traffic is
very low. And a sidewalk shall be provided on rural road where densely populated or commercially developed
area.On assumption that the sidewalk is not used for other purpose, 1.8m width is proposed when multi families
are concentrated. When neighboring the school, office or factory, additional width is need because the
pedestrian might be concentrated at peak hours and at least 2.5m width is needed near the shopping or recreation
facilities and additional width may be required. As a pair of pedestrian is usual, 1.5m is considered the minimum
width. Table 2 shows the standard for sidewalk by country.
Table 2. Standard for sidewalk by country
Korea USA Australia Canada
Installation
location
Pedestrian 150ped/day
Vehicle 2,000veh/day
No specific standard
Considering regional
development density
-All in urban area
-School, shopping center etc
in rural area
Min width 1.5m 1.5m 1.2m 1.5m
Features
Specific guideline for
sidewalk
-Regulation on safeguard for
the handicapped
-Design considering
pedestrian pattern
recommended
-Need of design considering
the old & infirm stressed
-Guideline for crosswalk
(pedestrian island) by road
No specific guideline for
sidewalk
Separation
from road
-Separation using curb and
fence
-Higher than road surface
No specific standard No specific standard
Guideline for vertical and
inclined curb
Installation requirements Width
General minimum width
Absolute minimum width
1.2m
0.9m
High pedestrian traffic 2.4m
Width to accommodate 2 wheelchairs
Absolute minimum width
1.8m
1.5m
The handicapped 1.0~1.8m
3. The Study on Method to Determine the Priority in Sidewalk Installation on Rural Road
www.ijesi.org 92 | Page
MethodtoDeterminethePriorityforSidewalkInstallation
1) Determination of the importance by evaluation item (survey)
To determine the evaluation elements to be considered in deciding the priority for sidewalk on rural road by the
traffic & road experts, the survey of the experts in the field of road plan, design and safety which totaled 30
persons was conducted.
Among the elements that may influence on pedestrian safety and passage right, the data that can be collected by
the road management agency was gathered. As a result of analysis, the experts answered that pedestrian traffic
shall be considered first and surrounding development, pedestrian traffic accident and pedestrian-related
operation factor shall be also included (see Table 3). Weighted value was determined by comparing the point
distributed depending on importance (1~5) and the sum calculated in a way of multiplying by the number of
respondent.
Table 3. Distribution of respondents to importance in determining the priority to sidewalk
Category
Respondents
total
weight
value
Notenot
important
at all
not
important
average important
very
important
surrounding
development
0 0 2 15 13 30 131 -
pedestrian
accident
0 0 4 11 15 30 131
pedestrian fatality ,
number of accident
vehicle traffic 2 4 12 8 4 30 98 -
pedestrian traffic 0 1 1 7 21 30 138 -
speed limit 3 7 12 8 0 30 85 -
road width factors 0 2 16 12 0 30 100
road width, paved/unpaved
shoulder width, No. of lane
geometry 1 13 10 6 0 30 81 tangent /curve section
comments 0 1 11 12 6 30 113
resident, official, police, insurance
company, road management agency
pedestrian- related
factor
0 0 5 18 7 30 122
bus stop, pedestrian signal,
crosswalk, stop line or centerline
discontinued
Base : not important at all=1, not important=2, average=3, important=4, very important=5
2) Definition of methodology to estimate the score for evaluating the priority
Evaluation factors in determining the priority were further classified depending on effect on pedestrian safety
and categorized into 2~5 grades as Table 4. 10 was given to the highest need and was evenly distributed by
number of grade.
Table 4. Evaluation factors and point by grade
Evaluation factors Grade 1 Grade 2 Grade 3 Grade 4 Grade 5
Student's path top priority to the school zone
pedestrian traffic (ped/day) 300 ≤ 200 ≤ 150 ≤ 100 ≤ 100 >
point 10 8 6 4 2
pedestrian accident (acc/year) top 25% top 50% top 75% top 100% 0
point 10 8 6 4 2
surrounding development downtown rural shops rural house rural farmland -
point 10 7.5 5 2.5 -
urgency of sidewalk high average low - -
point 10 6 3 - -
shoulder width (m) 1.0 < 1.0 ≤ 1.5 ≤ 2.0 ≤ -
point 10 7.5 5 2.5 -
vehicle traffic(veh/day) 10,000 ≤ 5,000 ≤ 2,000 ≤ 1,000 ≤ 1,000 <
point 10 8 6 4 2
speed limit (km/h) 70 ≤ 60 ≤ 50 ≤ 40 ≤ 40 <
point 10 8 6 4 2
4. The Study on Method to Determine the Priority in Sidewalk Installation on Rural Road
www.ijesi.org 93 | Page
Weighted value by evaluation factor for the priority to sidewalk was determined based on survey with the
experts which was arranged in order of higher score and classified into 3 groups to give weighted value 3:2:1. 3
was given to pedestrian traffic, pedestrian accident and surrounding development and 2 was given to urgency of
sidewalk and shoulder width and 1 was given to daily traffic and speed limit. But the points on the student's
movement path was given the top priority even in case of low points considering the pedestrians are children
who are vulnerable to the accident.
Table 5. Weighted value by evaluation factor for sidewalk
Evaluation factor Point Order W/value Note
Student's path - - - Top priority
pedestrian traffic (ped/day) 138 1 3 -
pedestrian accident (acc/year) 131 2 3 -
surrounding development 131 3 3 -
urgency of sidewalk 113 4 2 -
shoulder width (m) 100 5 2 -
vehicle traffic(veh/day) 98 6 1 -
speed limit (km/h) 85 7 1 -
Table 6 is the evaluation score obtained by incorporating weighted value in Table 5 into the points by grade in
Table 4 and evaluation points to determine the priority are calculated by summing up the individual points by
evaluation factor.
Table 6. Classification of the grade and points considering weighted value
Evaluation factors Grade 1 Grade 2 Grade 3 Grade 4 Grade 5
Student's path top priority to the school zone
pedestrian traffic (ped/day) 300 ≤ 200 ≤ 150 ≤ 100 ≤ 100 >
point 30 24 18 12 6
pedestrian accident (acc/year) top 25% top 50% top 75% top 100% 0
point 30 24 18 12 6
surrounding development downtown rural shops rural house rural farmland -
point 30 22.5 15 7.5 -
urgency of sidewalk high average low - -
point 20 12 6 - -
shoulder width (m) 1.0 < 1.0 ≤ 1.5 ≤ 2.0 ≤ -
point 20 15 10 5 -
vehicle traffic(veh/day) 10,000 ≤ 5,000 ≤ 2,000 ≤ 1,000 ≤ 1,000 <
point 10 8 6 4 2
speed limit (km/h) 70 ≤ 60 ≤ 50 ≤ 40 ≤ 40 <
point 10 8 6 4 2
Table 7 explains the calculation of evaluation point at the point using Table 6 by example.
Table 7. Example of the points calculated for a certain point
평가기준요소 Grade standard calculation of points
Student's path No student's path ◦ No student's path function
◦ pedestrian traffic = 30
◦ pedestrian accident = 6
◦ surrounding development = 22.5
◦ urgency of sidewalk= 12
◦ shoulder width = 10
◦ daily mean traffic= 8
◦ speed limit = 8
pedestrian traffic (ped/day)
1
300 ≤
point 30
pedestrian accident (acc/year)
5
0
point 6
5. The Study on Method to Determine the Priority in Sidewalk Installation on Rural Road
www.ijesi.org 94 | Page
III. Conclusion
The road is essential facilities for human activities which however requires a huge cost for construction. Road c
onstruction is implemented, considering the road functionality, cost efficiency, safety and environment but as th
e policy focuses on extending the length with a limited budget, inferior quality often causes the problem. Howe
ver from the viewpoint of emphasizing the life safety and pedestrian-centered traffic system, sidewalk on rural r
oad which has long been neglected to improve shall be provided extensively more than ever. Despite of such im
portance, economic feasibility of road construction including sidewalk, limit in land available for sidewalk and l
and acquisition still remain the pending issue to deal with.
Sidewalk has the limit to the great extent in terms of economic construction, particularly to the rural road. Thus
decision shall be made taking into account of vehicle speed, visibility of the pedestrian and walking network co
mprehensively, instead of focusing on pedestrian or vehicle traffic volume alone. In addition, a sidewalk plan sh
all be developed from the viewpoint of overall road network, breaking from the regional facility issue in conside
ration of the problem in aging society or increasing number of pedestrian. This study is intended to develop the
evaluation items and quantitative method for determining the priority to provide the sidewalk, considering the g
eneral road and traffic conditions through the survey of the experts and statistical analysis, which would make c
ommitment to executing the limited budget in optimal way as well as establishing the pedestrian safety plan.
The energy for road transport is all imported and the need for reducing the domestic and nationwide energy cons
umption is on the rise and public transport or bike is strongly recommended as the bike and walking which are e
nvironment-friendly prevents environmental pollution as well as brings about the healthy life. In future, regional
and interregional plan on bike path and pedestrian path shall be developed nationwide so as to provide the road
system that will upgrade the people's life quality a notch.
Acknowledgements
This research was supported by a grant from a Strategy Research Project (Development of Enhancement and
Evaluation Technologies for Driver’s Visibility on Nighttime – 1st research field: Development of Enhancement
Technology for Driver’s Visibility on Nighttime) funded by the Korea Institute of Civil Engineering and
Building Technology.
References
[1] Road Traffic Authority, Statistics Analysis of Traffic Accident, 2015.
[2] Ministry of Land, Transport and Maritime Affairs, Manual and Guideline of Rule on the Standard of Highway Structure and
Facility, 2009.
[3] AASHTO, A Policy on Geometric Design of Highways & Streets, 2001.
[4] ITE, Design and Safety of Pedestrian Facilities, 1994.
[5] Austroads, Guide to Traffic Engineering Practice Part13-Pedestrians, 1995.
[6] Roads and Transportation Association of Canada, Manual of Geometric Design Standards for Canadian Roads, 1986.
[7] European Conference of Ministers of Transport, Safety in Road Traffic for Vulnerable Users, 2000.
[8] AASHTO, Guide for the Development of Bicycle Facilities, 1999.
[9] USDOT & FHWA, Pedestrian Facilities User Guide : Providing Safety and Mobility, 2002.
[10] USDOT & FHWA, Canadian Research on Pedestrian Safety, 1999.
surrounding development
2
rural shops
◦ Points at certain section
= 30+6+22.5+12+10+8+6
= 94.5
point 22.5
urgency of sidewalk
2
average
point 12
shoulder width (m)
3
1.5 ≤
point 10
vehicle traffic(veh/day)
2
5,000 ≤
point 8
speed limit (km/h)
2
60 ≤
point 8