Title: Capacity Analysis of Signalized Intersections under Mixed Traffic Conditions Based on the First Discharge Headway
Abstract: The First Discharge Headway is the time consumed by the first car in the queue from its startup when the green light turns on to the second while it is completely across the stop line.This study analyzes the traffic composition and interference ratio of different lanes at the signalized intersection with mixed types of traffic flows.It is presented that left-turning lanes holds more small-sized vehicles and have much more interference.The functions of the first discharge headway of the left-turning lanes,inside through lanes,and outside through lanes are respectively studied by the Logistic model,the Compertz model and the Logsitic model.By further calculation,the first discharge headways of the left-turning lanes,inside through lanes,and outside through lanes are 3.98s,4.60s and 4.85s respectively.The errors of modified model and the traditional one are computed by using the actual data.It turns out that the error of the modified model decreases sharply in comparison to the error of the traditional model.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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