Surface Guard is a surface mounted safety barrier, modular, temporary and pedestrian friendly, able to protect crowded areas and sensitive sites from hostile or out of control vehicles, having successfully passed the tests required by the international standard PAS68 and IWA 14. It is a completely pedestrian permeable solution, which does not require any surveillance during its use. The modules are light and easily transportable, they can be quickly installed and do not require any fixing to the ground. The versatility of Surface Guard allows infinite configuration options, creating a continuous alignment of protection in any road scenario, even in the presence of sidewalks, traffic islands, street furniture and port docks.