Verkeerstechnische Leergang ANWB 1970 : verslag van de voordrachten. [Voordrachten: Bermbeveiligingsconstructies / E. Asmussen, p. 19-43 - Scheiding van verkeerssoorten in steden / G.H.A. Hoogenboom, p. 44-67]

A traffic engineering source at which information is given of the usage and position of road side safety constructions and central reserves and the segregation of different aorta of traffic in towns. It is concluded that a strict segregation of fast and slow traffic reduces the number of accidents by approximately 60 %.