Transit‐oriented travel mode is considered as one of the most effective travel strategies for improving the level of travel service and reducing travel time and delay. Curbside bus stops are often built to support the operation of the transit system, which leads to new bottlenecks of road segments near such stops and exerts a negative impact on traffic flows of neighbouring intersections. The authors propose a traffic signal optimisation model with the objective to minimise total travel delay by considering the interaction of traffic flows between the intersections and upstream curbside bus stops. First, transits’ following and lane‐changing behaviours are explored by analysing their trajectories collected by unmanned vehicle aerial video detectors. Second, transits’ occupancy time at curbside bus stops is statistically analysed by using automatic vehicle location data. They then use an equivalent‐flow analysis method to quantify the impact caused by transits’ actions of lane‐changing and moving into/out stop basins (including the waiting process). Such impact is integrated into the algorithm of intersection traffic signal optimisation. They finally validate the proposed signal optimisation model based on real‐time traffic data collected from Nanjing, China. It is revealed that the improved model can reduce vehicle travel delay by 4.3% at the tested intersection.
Intersection traffic signal optimisation considering the impact of upstream curbside bus stops
IET Intelligent Transport Systems ; 14 , 8 ; 880-888
2020-08-01
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
travel service , stop basins , traffic flows , unmanned vehicle aerial video detectors , equivalent‐flow analysis method , road traffic , minimise total travel delay , traffic engineering computing , upstream curbside bus stops , transit system , traffic signal optimisation model , intersection traffic signal optimisation , transits , road vehicles , remotely operated vehicles , transportation , transit‐oriented travel mode , real‐time traffic data , vehicle travel delay , neighbouring intersections , lane‐changing , reducing travel time , exerts , tested intersection , effective travel strategies
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