Municipal road drainage system

The invention provides a municipal road drainage system, which belongs to the technical field of drainage systems and comprises a drainage well, a main well, a partition pipe and a backwashing device. A cover plate is arranged on the drainage well, and a plurality of drainage holes are formed in the cover plate; the main well communicates with at least one drainage well through drainage pipes. The partition pipe is arranged in the main well and divides an inner cavity of the main well into a water inlet cavity and a filter cavity; a first water permeable hole is formed in the pipe wall of the lower part of the partition pipe; the backwashing device comprises a water taking pipe, a washing pipe and nozzles, the washing pipe is arranged at the lower end of the cover plate, the multiple nozzles are distributed on the washing pipe, and the water outlet ends of the nozzles are obliquely arranged and face the drainage holes; the water taking pipe communicates with the flushing pipe and the water inlet cavity. Accor