|Table of Contents|

Analysis of vehicle speed characteristics of urban roadbased on axle map(PDF)

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2020年04期
Page:
488-492
Research Field:
Publishing date:

Info

Title:
Analysis of vehicle speed characteristics of urban roadbased on axle map
Author(s):
Lu Yi1Tian Lin2Kou Yue2Sun Chao2
1.Weihai Ocean Vocataonal College,Weihai 264300,China; 2.School of Civil Engineering,Yantai University,Yantai 264005,China
Keywords:
road engineering axle map running speed driving test headway urban road
PACS:
U412.36
DOI:
10.14177/j.cnki.32-1397n.2020.44.04.014
Abstract:
In order to explore vehicle operating characteristics of different lanes of urban roads,a vehicle running speed sample test is conducted in Binhai East Road,Yantai City. An AxleLight RLU11 series roadside traffic data acquisition system is used to collect the test speed of the vehicle and the headway distance sample of the test section. The SPSS software statistically processed the different lane running speed samples and the headway distance of the test sections,and plotted the cumulative speed curves of different lanes and the headway time interval respectively,and calculated the different lane running speeds V85 and the headway distance T85. The results show that the inner lane running speed V85 is larger than the outer lane running speed V85,and the inner lane headway distance T85 is smaller than the outer lane headway distance T85. The relationship model between the headway T and running speed V of the inside lane and the outside lane is established. Based on the difference between the two lanes running speed V85 and the headway distance T85 inside and outside the test section,the speed limit value of different lanes of the urban roads should also adopt different speed limit standards,different speed limit standards to enable the inner lane traffic flow to run at high speed,improve urban road traffic capacity,and reduce urban road congestion.

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Last Update: 2020-08-30