oa Civil Engineering = Siviele Ingenieurswese - Comprehensive traffic observations in South Africa

Volume 27, Issue 10
  • ISSN : 1021-2000



A pilot study on Comprehensive Traffic Observations (CTO) was carried out on a 600 km long route between Johannesburg and Durban from October 1983 to January 1985. Traffic was observed at seven CTO stations placed on different types of road comprising this route. Electronic observation equipment of the Traffic Engineertng Logger (TEL) type was used supplemented by, In one Instance, a Traffic Axle Weight Classifier (TAWC) for a more accurate estimation of axle load. The observations were carried out in week-long blocks, repeatedly, for 12 consecutive months, on a 24-hours a day basis. The pilot study concluded that CTO are capable of yielding accurate estimates of the average annual dally traffic.

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