Problems Associated With The Traffic Of Passenger Car Unit ( Pcu )

1091 WordsMar 24, 20165 Pages
Traffic in developing countries like India is highly heterogeneous in nature, which is characterized by the presence of vehicles of different categories having varying physical and operational characteristics over a wider range. Due to heterogeneity, it is difficult to define various traffic parameters. Hence in such cases, traffic volume is expressed in terms of Passenger Car unit (PCU). In the present study, various methods to determine PCU is studied also the variation in PCU values has been determined at different geometric condition keeping the drivers charachterstic, vehicular characterstic and other parameters constant with only variation was in geometrics of road. This was achieved by studing the flow characterstic of same sample vehicle at different location. However at intersection, the values may change as the parameters vary at intersection as compared to a mid block section hence the PCU values at rotary intersection is found using the occupancy approach. Keywords: Ocupancy time , PCU, Roundabouts I. INTRODUCTION: Traffic in developing countries like India is highly heterogeneous in nature, which is characterized by the presence of vehicles of different categories having varying physical and operational characteristics over a wider range. The exponentially rising population in the country, augmentation in the urban road network and a sadvancment in motorization affects the level of service on the road network in general and deteriorates safety specifically at

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