Title: Car Capacity Model near Bus Stops with Mixed Traffic Flow Derived by Conflict Technique
Abstract: In many Chinese cities, traffic streams near bus stops differ from those of bus stops in developed countries. The roadway is divided to serve motor (cars and buses) and non-motor (bicycles) traffic streams. Bus stops are often located on the non-motor lanes. To determinate car capacity at bus stops under mixed traffic flow, a new theoretical approach is developed on the basis of conflict technique and queuing theory. Bus stream system can be represented by an M/M/k queue. The conflicts among cars, buses and bicycles near the stop can be described by conflict technique. Car capacity near the stop is the function of both bus stream and bicycle stream. This method is much easier to handle than the method of gap acceptance. It avoids many of the theoretical complications inherent in the method of gap acceptance, which, under certain circumstances, seems to be unrealistic. The new method is developed for curbside stop configurations when no traffic streams possess the absolute priority of driving. The procedure can deal with the cases of bicyclist retrograde motion, bus irregular berthing, bus bay, and so-called limited priority. This procedure is verified and calibrated with measured data in Beijing.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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