The investigation is a comprehensive examination of the relationship between rural speed limits and accidents. South Africa's road fatality rate is very high when compared to those of Western countries, and its urban and rural speed limits are above average. An analysis of twelve industrialized Western countries showed that their fatality rate could largely be explained in terms of their speed limits. Forty-eight speed limit changes in twelve countries are described, and three models relating the change in fatal, injury and total accidents with the change in mean speed have been developed. South Africa's accidents between 1972 and 1985 are analyzed against a number of factors by multiple linear regression. It is concluded that a change of speed on part of the road network affects accidents elsewhere on the network. It is recommended that the urban and rural speed limits be reduced to 50 and 90 km/h respectively.


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    Traffic Accidents and Vehicles Speed

    Sadauskas, V. / Kaunas University of Technology | British Library Conference Proceedings | 2007