1887

oa Civil Engineering = Siviele Ingenieurswese - Peaking characteristics of urban traffic

Volume 33, Issue 7
  • ISSN : 1021-2000

 

Abstract

A methodology developed by Jordaan in 1985 to determine flow in any rank hour of the year for rural traffic is shown to be applicable to urban traffic. The methodology, which has become known as the 'beta method', was tested on 45 traffic flow data sets obtained from 12 counting stations in the metropolitan areas of Johannesburg and Port Elizabeth. Whereas studies of rural traffic have concentrated on hourly flows, it was found more appropriate to analyse urban traffic in terms of 15 minute flow rates per direction of travel. In studying the 15 minute peaking characteristics, it transpired that a three-region modelling approach was required.

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/content/civeng/33/7/AJA10212019_22251
1991-07-01
2016-12-10

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