In order to properly control traffic during road works and / or calamities jd nederland has developed the hydraulic action wagon. These wagons are easy to operate, easy to maintain and approved of by the rijksdienst wegverkeer. The action wagons are extremely well-balanced enabling them to lift or lower their action windows at speeds as high as 90 km/hour. A revolvable and clearly visible lit up arrow indicates the direction to be followed. It is also possible to mount an energy saving matrix arrow in the action window enabling the vehicle to be used as a dispel - and junction wagon. Hydraulic support legs are connected to corners of the chassis to ensure optimal stability. As a power source our arrow cars can be equipped with either a sound friendly diesel generator with automatic start / stop features or environment friendly solar panels. The vehicle is operated from a control panel at the front. This can be locked increasing security. This product is also available with various other accessories like an hydraulic nose-wheel, remote-control, start / stop feature on the diesel generator, andreas strips etc.