Road drainage structure capable of avoiding silt blockage

The utility model discloses a road drainage structure capable of avoiding sediment blockage, which comprises a road area, a green belt area and a curb for separating the road area from the green belt area, and the curb is provided with a drainage hole for draining rainwater in the road area into the green belt area. An overflow well used for discharging redundant rainwater into a municipal pipeline is arranged in the green belt area. According to the road green belt irrigation system, the green belt area is arranged on one side of the road area, the road area and the green belt area are separated through the curbs, rainwater carrying silt on the road area flows to the green belt area through the drainage holes, then redundant rainwater is drained through the overflow well, and the rainwater is fully utilized for road green belt irrigation; meanwhile, silt in the rainwater is intercepted by plants planted in the green belt area and deposited on the periphery of the overflow well, so that the carrying amount of