Maintaining and safeguarding roads and bridges now presents a monumental challenge in numerous countries around the world. Not only is the infrastructure aging in many places; traffic volumes are also rising steadily, and overloaded vehicles are increasing the risk of accidents and causing more wear and tear on the road network. In 2015, the European Union responded to these issues by enacting its new Directive 2015/719, which standardizes the permitted maximum weight for each type of commercial vehicle, as well as obligating the member states to implement commercial vehicle enforcement and report the results to Brussels.
Responsibility for the construction, maintenance and operation of national roads in the Grand Duchy of Luxembourg is assigned to the National Roads Administration (Administration des ponts et chaussées), an authority overseen by the Ministry of Mobility and Public Works. The Administration, which has around 1,200 employees, provides services such as winter clearance, maintenance of roads including tunnels, lighting and signage, updating of map data and much more besides. Its remit also includes providing infrastructure for the police and customs authorities to implement speed and weight enforcement. The new EU Directive presented Luxembourg with the task of setting up at least one commercial vehicle enforcement station.
The manager responsible for this project at the National Roads Administration struck up initial contact with Kistler in 2018 at Intertraffic, the global traffic technology trade fair in Amsterdam. A market study undertaken by the Administration soon made it clear that Weigh In Motion (WIM) by Kistler would be the solution of choice. Automatic weight measurement during travel plus optical vehicle detection and recording ensure efficient preselection of trucks and vans, which are then weighed statically again and checked for any other violations (tires, dimensions, validity of documentation, and more).