Verkeersgedrag en veiligheid : uitgangspunten voor een preventieve strategie. Voordracht gehouden ter gelegenheid van de bijeenkomst van Veilig Verkeer Nederland in het RAI-Congrescentrum te Amsterdam, op 26 april 1975.

A sharp difference must be made between road safety measures, from which only a temporal effect is expected and those which will have a more permanent effect. The last category of measures are all related to the decrease of the level of the accepted risk. Examples of such actions are mentioned and to two experiments is referred.