Road and bridge protective fence

The utility model relates to the technical field of protective fences, in particular to a road and bridge protective fence. Comprising stand columns, a first guardrail, a second guardrail and springs. The multiple sets of stand columns are linearly arranged, sliding columns are symmetrically arranged on the two sides of the stand columns, buffer layers are arranged in front of the stand columns, and the interiors of the stand columns are of hollow structures. The two sides of the first guardrail are slidably connected with the sliding columns correspondingly, and a plurality of first handrails are evenly arranged in the middle of the first guardrail. The two sides of the second guardrail are fixed to the side faces of the stand columns through screws respectively, and a plurality of second handrails are evenly arranged in the middle of the second guardrail. According to the road and bridge protective fence, the stand columns are connected with facilities such as a road, the structure of the stand columns is c