This general directorate, called DGA, performs administrative police missions such as traffic policing on the main roads, waterway policing on the North Sea and waterways, railway policing on the railways and in the stations, air policing at the national airport and in the five regional airports, immigration and border control, air and police dog support.
The members of this general directorate also carry out protection missions, such as escorting the transport of valuables or the protection of royal palaces.
Moreover, the directorate supports the administrative authorities and the Local Police, for instance by supplying staff and special equipment (water carts, etc.) for maintenance of law and order missions.
Here are some administrative police services: