June 23, 2013
June 23, 2013
June 26, 2013
23.37.1 - 23.37.11
A Cost Effective Methodology for Pedestrian Road Crossing for Developing CountriesABSTRACT:Pedestrians travel holds an important aspect in the transportation trip mode, therefore research onpedestrian crossing is necessary and important step to select pedestrian facilities. Delay is animportant measure of effectiveness in traffic studies. Much research has been conducted onvehicles delays but the research on pedestrian delay is much less. However, mostly commonused delay estimation methods and models are derived from Highway Capacity Manual and arerelatively simple, without enough attention on the effect of platoon. The aim of this paper is to present a low-cost methodology for the selection of proper pedestriancrossing facility by anticipating pedestrian delays at interrupted and uninterrupted flow and tocorrelate the pedestrian delays with level of service based on six levels which are ranked usingthe human' perceptions of comfort, safety and psychological limitation as well as acceptabledelay. This paper focuses on the application of statistical distributions to model traffic andpedestrian flows and Monte Carlo techniques to simulate traffic and pedestrians, and discusseshow to create a tool in order to quantitatively rank which pedestrian facility is appropriate forparticular situation. Initially pedestrian delay can anticipate at un signalized intersection. If thepedestrian delay found to be more in uninterrupted flow, then signalized facility will besimulated. Later, effect on vehicle delay at signalized intersection will be simulated. . Finallydelay simulation outputs will be used for the selection of pedestrian facility either un signalizedcrosswalk, signalized cross walk or grade separated pedestrian facility.
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