Cars and trailers from the National Road Administration makes it easy to have an overview of vehicles and trailers registered in Norway. • View registered data about vehicles and trailers. • Check which trailers you can tow behind the car. • Save vehicles and trailers in the app, so you have data about them quickly available. • Receive notification when the deadline for EU control approaches. • Check owner of vehicle. (Requires login to Your page or SMS service to the Norwegian Road Administration, NOK 3 per search. The trailer calculator can only be used for trailers that require a driver's license for a passenger car or a passenger car with a trailer, and not for heavy vehicles.