Research Article

Risk Analysis of Vehicle Rear-End Collisions at Intersections

Table 1

Key parameters of the observed intersections.

DescriptionLvyuan RoadAnhong Road

Geometry parametersIntersection layout“T”“T”
Width of intersection45 m42 m
Adjacent bound levelLowLow
Adjacent land useUniversityFactory
Number of through lanes (westbound)54 (include 1 through-right lane)
Lane length3 m3 m
Pedestrian crossingYesYes

Signal timingsCycle72 s90 s
No. of phases3 s3 s
Yellow time3 s3 s
Flash green3 s3 s
Transition signalGreen countdownGreen countdown
(i) Flash green-amber(i) Flash green-amber

Traffic managementRLC installationYesNo
Posted speed limit80 km/h80 km/h

Traffic flowFlow compositionPercentage of car is 54%Percentage of car is 59%
Traffic volume719 pcu/h748 pcu/h