Garden road drainage system

The utility model relates to the technical field of garden engineering, in particular to a garden road drainage system which comprises a drainage groove, a plurality of impurity collecting chambers are arranged in the drainage groove in the length direction, openings are formed in the two ends, in the height direction, of each impurity collecting chamber, and filter holes are formed in the side wall of each impurity collecting chamber. A drainage cover plate is fixedly arranged at the upper end of the impurity collecting chamber, and a drainage hole is formed in the drainage cover plate; two baffles are hinged to the bottom end of the impurity collecting chamber, the two baffles are oppositely arranged, and the two baffles can seal the bottom end of the impurity collecting chamber; and a driving assembly for controlling the opening and closing of the baffle is arranged on the outer wall of the impurity collecting chamber. The drainage ditch has the advantages that the cleaning difficulty of the drainage ditch