A Study on Bunch Size Distribution Models of Traffic Flow

Abstract

A bunch size distribution models of traffic flow are proposed based on the distinction between leaders and followers in speed distribution. In analysis, a new probabilistic method is applied to decide bunching vehicles instead of usual method of using critical headway.
Then the bunch-speed distribution models are induced by the use of bunch size distribution model.
Consequently, these models can be obtained only by giving traffic volume. Models are also applied to observed data and those appropriateness are examined.