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Enlarged stopping distance to improve vehicle discharge at urban signalised intersections

By Shuai Yang

Abstract

Normally, vehicles queued at an intersection reach maximum flow rate after the fourth vehicle and results in a start-up lost time. This research demonstrated that the Enlarged Stopping Distance (ESD) concept could assist in reducing the start-up time and therefore increase traffic flow capacity at signalised intersections. In essence ESD gives sufficient space for a queuing vehicle to accelerate simultaneously without having to wait for the front vehicle to depart, hence reducing start-up lost time. In practice, the ESD concept would be most effective when enlarged stopping distance between the first and second vehicle allowing faster clearance of the intersection

Topics: Enlarged Stopping Distance (ESD), Vehicle departure model, Signalised intersections, Driver response time, Nerang Data sets
Publisher: Queensland University of Technology
Year: 2013
OAI identifier: oai:eprints.qut.edu.au:60871

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