Municipal road guardrail

The utility model provides a municipal road guardrail which comprises a plurality of guardrail units which are continuously spliced, and each guardrail unit comprises two front stand columns, two rear stand columns, a plurality of transverse pipes, two buffer assemblies and an alarm assembly. Through the arrangement of the buffer assembly and the alarm assembly, when a vehicle collides with the guardrail, the two supporting rods push the two sliding blocks to slide downwards and extrude the springs when the guardrail is collided, the springs absorb the impact force of collision on the guardrail, and the impact on the guardrail is effectively reduced; when the guardrail is impacted, the two supporting rods push the two sliding blocks to slide downwards and trigger the alarm switch at the same time, so that the wireless communication module sends a signal to a control center, and the municipal road guardrail can give an alarm automatically when a traffic accident occurs, so that rescue can be carried out in tim