Analyzis of Speed Profiles, Congestion and Delays of Transit Vehicles of Dhaka Metropolitan Area

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Analyzis of Speed Profiles, Congestion and Delays of Transit Vehicles of Dhaka Metropolitan Area

Zahir, Uddin Md. / Matsui, Hiroshi / Fujita, Motohiro

A detailed analyses of transit speed profiles, acceleration and deceleration profiles, stopping and congestion delays for local and express service during peak and off-peak periods is performed based on conducted field surveys in Dhaka Metropolitan Area (DMA). Transit travel times were found as a function of number and locations of stops, stopping time and frequencies, traffic congestion, drivers unusual behavior on en route and bus stops, period of operation, and the interactions between slow moving motorized and non-motorized vehicles. Drivers' extreme irregular stopping behavior in peak and off-peak periods increases vehicle travel time, in-vehicle riding time and passenger waiting time, and traffic congestion around bus stops. So, transit performance could be remarkably enhanced by introducing specific route and time schedule and stopping schedule as per demand in peak and off-peak periods for varieties of transit services.