The utility model relates to a novel road catchments device comprises sump pit, silt basin, flocculation basin, storage water tank and suction pump. Set up one deck stainless steel filter unit and be located the rainwater grate below in the sump pit, the sump pit is connected with crisscross silt basin through the overflow pipe, has the filter between crisscross silt basin and the flocculation basin, has one deck oil suction device between flocculation basin and the storage water tank, and the storage water tank has two external water pipes, a piece -root grafting to suction pump, a piece -root grafting to municipal pipe network. The utility model discloses the clearance of impurity after simple structure, filter effect are showing, are filtering is very convenient, can the wide application in modern city, effective water economy resource alleviates urban road ponding problem simultaneously, has improved urban water resources's utilization ratio.