Ondersoek van die kilowatt-massa verhouding van twee tipes motorvoertuie en die invloed van hierdie verhouding op voertuigsnelhede. by Ernst, Pieter Francis

Subjects: “…Motor vehicles -- Speed…”
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The introduction of average speed over distance cameras as a road safety tool to reduce excessive speeds and accidents on the roads of the Western Cape, South Africa by Van Velden, Wouter

Subjects: “…Motor vehicles -- Speed limits…”
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