Learn more about NIWO in just two minutes. 

English website
Part of the NIWO website is translated in english
NIWO opening hours
Due to the corona virus the NIWO is open between 9.00 and 15.30 hours from Monday to Friday. The telephone will be answered between 9.30 and 15.30 hours.
Can Dutch transportcompanies still use their community Euro licence when the UK leaves the European Union or should they apply for a ECMT-licence? Read all about it (partly in Dutch):