Traffic calming was first carried out in Ireland in 1993. The study is an evaluation of the effectiveness of schemes constructed over the period 1993-1996.
To evaluate the effectiveness of 21 traffic calming schemes constructed over the period 1993-1996 in terms of accident reduction and cost effectiveness.
The accident statistics before and after implementation of the schemes were studied and compared to find the total reduction in fatal and injury accidents achieved by the programme.
Economic evaluations was carried out using the 'Willingness to Pay' method to find the rate of return of the programme.