In signalized intersections, lanes at the approach are usually arranged for left-turns, through lanes, and right-turns from inside to outside. When there are off-ramps upstream of the intersection approach, a lanes-exchanging design may be applied. In this condition, the left-turning lanes are set at the median. This paper concentrates on the characteristic of lane-changing in exchanging conditions. This study distinguishes the lanes exchanging into two types: complete exchanging design (CED) and partial exchanging design (PED), based on the number of exchanging lanes. The lane-changing behaviors under the two types were observed by video, and lane-changing frequency in each grid of study area was calculated. Finally, the adaptability of PED and CED was discussed. It is found that PED works well at a low level of volume-input, and CED may make better use of exchanged lanes at high levels.
Investigation of Lane-Changing Behaviors at the Intersection with Off-Ramps and Lanes Exchanging
17th COTA International Conference of Transportation Professionals ; 2017 ; Shanghai, China
CICTP 2017 ; 2627-2637
18.01.2018
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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