Road protective fence

The utility model provides a road protective fence, which relates to the technical field of protective fences and comprises a protective fence main body, fixing columns are arranged on the opposite sides of the protective fence main body, the protective fence main body is connected with the two fixing columns through a plurality of fixing devices respectively, and the fixing devices are movably arranged in mounting grooves formed in the fixing columns respectively. Limiting devices used for limiting the fixing devices are arranged on the opposite sides of the two fixing columns correspondingly, the limiting rods are pulled in the direction away from the fixing blocks, when the opposite ends of the guardrail body completely enter the mounting groove, the limiting rods are loosened at the moment, and through a limiting disc fixedly penetrating through one side of each limiting rod and the elastic force of an elastic piece, the guardrail body can be fixed. According to the device, by arranging the limiting rod,