Shallow mount type Road Blocker with hydraulic operation with external pump, housed in the technical center and managed by Road Blocker PLC. The dimensions of the mobile impact block are available from 1 to 6 meters with steps of 0.5 meters and, in two heights: 0.6 and 0.9 metres. The limited excavation depth required (400 mm), allows installation even where there is infrastructure just below the road surface. The up and down movement time is 3÷5 sec, depending on the size of the Road Blocker; optional EFO function that allows the device to move down in ~1.5 sec.