﻿ 路外停车场出入口接入主路车流的车头时距特性分析

# 路外停车场出入口接入主路车流的车头时距特性分析Analysis of Vehicle Headway Characters on the Main Road at the Sections of Off-Street Parking Access

Abstract: In order to analyze the headway characters of the main road at the sections of off-street parking access deeply in the cities of China, this paper chooses the influence area of the section of off-street parking access in the city as the research object. Also, the carriageway road including six lanes on two-direction was introduced as a typical example. By using the parameters observed from area of the section of off-street parking access in Nanjing Shangmao Building, a probability density function was established that described the characters of the vehicles on the main road by the method of SPSS and mathematics. Some conclusions can be drawn. First, the headway of all the lanes cannot be subjected to the normal distribution except for logarithmic normal distribution. Secondly, the probability density function of the first lane is , while the second is and the third is . It would be more beneficial for the further study on change-lane characters of the vehicles.

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