Municipal highway warning board

The utility model discloses a municipal highway warning board which comprises a warning board body, a transparent frame is installed on the front face of the warning board body, through the installation of the transparent frame, a worker can press a handle downwards according to the actual situation requirement, the handle extrudes a tough board to move downwards under the action of external force and the supporting of an inserting board, and then the tough board is fixed to the warning board body. Meanwhile, a handle is pulled towards the back through a hook, so that the handle drives an insertion plate to move towards the back along an insertion hole under the action of external force, the insertion plate drives a rubber plate to be inserted into the inner side of the insertion hole, and support for municipal high-speed display information is relieved; the display information can penetrate through the through hole to be moved to the outside under the action of gravity, then new display information is placed