The present invention relates to a vehicle restraint system (1) for delimiting roadways, including base bodies (3) that can be detachably coupled to each other, wherein the base bodies (3) can be placed on a road surface (4) and have at least one weighting body (5). The weighting bodies (5) are formed by a outer casing (6), which is filled with a curable filler (7). Provided on the weighting bodies (5) are fasteners (8) which project out in relation to the weighting body (5), wherein the weighting bodies (5) can be fastened in the base body (3) by means of the fasteners. The vehicle restraint system (1) stands on the road surface (4) by means of support feet (19). The support feet (19) include a main body (20) and an elastomer body (21).