Abstract
In the meeting 5 lectures were given: The law on Sound hindrance and traffic by G.D. Westendorp; Additional aspects of traffic signals by H.R. Buijn; AVOC- can it be reached? by J.P. van Hoek; Trustworthy models, a fiction? by J.F. Smit; Public transport; fast and regularly by P.M. Brogt. Finally an overview is given of the activities of the organisation.