oa Civil Engineering = Siviele Ingenieurswese - Spitsingseienskappe van plattelandse padverkeer

Volume 28, Issue 11
  • ISSN : 1021-2000



This paper descriptionbes a methodology for calculating the traffic volume on rural roads during any of the thousand highest hours of the year. The methodology entails the estimation of the average annual daily traffic (AADT) and a peaking characleristic. The paper also shows how this peaking characteristic can be derived from data obtained from permanent traffic counts. It has been found that the peaking characteristic is related to both K (the fraction obtained by dividing the volume during the 30th highest hour by the AADT) and the average length of through trips on the specific road section. It is hoped that this methodology will establish a firm foundation for further research into traffic volume variations and design hour volumes.

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