What is WIM?

Weigh In Motion, abbreviated WIM, is a term used to designate systems designed to capture vehicle weights, and axle loads in particular, as vehicles drive on the road. Through a combination of force sensors and presence sensors, loads can be captured and recorded even at high speeds and can be attributed to individual vehicles. Parameters such as total weight, axle loads and speed can be determined via electronic analysis. WIM acts as a foundation for automated weight checks and weight-dependent road fees.

What does WIM do?

Weigh In Motion provides reliable traffic data, detecting overloaded vehicles in particular. WIM helps improve road safety and reduce road damage, it also prevents unfair competition among freight forwarders. Weigh In Motion systems can also be used to restrict roadways, such as bridges, based on weight. WIM solutions are also used in ports at harbors for automatic measurement of load quantities.

Weigh In Motion (WIM) System: Quartz sensor installed on the level of the pavement surface
The Weigh In Motion (WIM) system consists of Kistler Lineas quartz sensors embedded in the road surface.