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All heavy goods vehicles with a Gross Vehicle Weight (GVW) of more than 3.5 tonnes (since 1 April 2016), as well as all semi-trailer tractors of the N1 category with a body code BC regardless of their weight (since 1 January 2018), must have a working On Board Unit (OBU) in Belgium. When registering, please always enter the Gross Combination Weight Rating (GCWR), which is the point of reference for the definition of the weight.

This toll is levied on motorways and a number of regional and municipal roads. The OBU must be switched on whenever you drive on a Belgian road (showing a green light at all times and no error message). The system is based on the ‘user pays’ principle. This means that everyone pays a fair contribution to use the roads.

Satellic collects the toll on behalf of the 3 Belgian regions: Flanders, Wallonia and Brussels-Capital.

How does the system work?



Every domestic or foreign heavy goods vehicle over 3.5 tonnes on Belgian roads must have a working OBU from April 1st 2016.




The OBU detects where the vehicle is and which route it is following, via satellite signals.




The system adapts the road charge to the type of road.




The OBU calculates the toll to be paid. The tariffs depend on the maximum authorised vehicle weight, the Euro emission class and the type of road. The toll is calculated according to how many kilometres are driven and where (in which region).




The owner receives an overview of the amount to be paid. The amount due is paid to Satellic, which transfers the toll to the three Belgian regions according to the use of the road network.




Fixed, flexible and mobile checks across Belgium verify whether the heavy goods vehicles have a working OBU.