The Netherlands are regarded as country where traffic calming measures were “invented”. (City of Delft,
where the first “Woonerf” (living street, with traffic calming) was implemented at the beginning of 70ties.
Legislation says that urban residential roads should have 30 km/h maximum, and cities may introduce
special 30km/h zones in order to prevent transit. About 50% of Dutch road network are having 30 km/h
speed limits. Main tools to implement traffic calming are building measures and concepts of city
planning, with just a few signalling or other measures.
| Amsterdam | 809.800 residents | many 30 km/h zones |
| Den Haag | 508.300 residents | 65% of urban roads with 30 km/h |