Municipal road bioretention belt for sponge city

The utility model relates to the technical field of sponge cities, and discloses a sponge city municipal road bioretention belt which comprises curbs, a C-shaped filter plate is arranged between the curbs, the open face of the C-shaped filter plate is an upstream face, the middle of the bottom face of the C-shaped filter plate is rotationally connected with a crushing roller, one end of the crushing roller is provided with a gear, and the other end of the crushing roller is provided with a water inlet. The number of the crushing rollers is two, crushing teeth of the two crushing rollers are mutually staggered, a toothed bar is meshed between the gears, and a top plate is arranged at the top end of the toothed bar. Impurities such as dry branches and fallen leaves are crushed through a crushing roller and then enter a material receiving shell, a downwards-pressed toothed bar is reset through a spring, crushing of the dry branches and fallen leaves is achieved by repeatedly pressing the toothed bar in this way,