Abstract
The contribution of vehicle safety to the overall level of safety of the road transport system cannot, in all respects, be predicted reliably from the experience of highly motorised countries. The levels of roadworthiness and crashworthiness required of vehicles to ensure an acceptable level of safety are directly related to the demands placed in them by operating conditions. In particular, these demands will be less, and a wider range of vehicles will able to operated safety, if travelling speeds are set at levels lower than is common in highly motorised countries.