The utility model provides a vehicular flexible pavement lays roll -up device is equipped with reel assembly and reel assembly and rotates and to install tie in the frame above on the frame of the vehicle of being expert at, the flexible rod end that is equipped with telescoping cylinder I and telescoping cylinder I on the frame is connected with the reel assembly to flexible realization reel assembly through I telescopic link of telescoping cylinder rotates to rotating to walking backing a car of vehicle and lay or move ahead the roll -up with the frame is perpendicular be fashionable with parallel be fashionable move ahead transportation and the reel assembly of walking the vehicle of frame, realization vehicle the scrubbing flexible pavement when moving ahead the rolling of walking after the high -pressure cleaning device that is used for scrubbing flexible pavement is connected with the reel assembly. The utility model discloses autolay and the roll -up that can realize going flexible pavement rinse, working strength when having reduced manual work, and the transportation is convenient, and complete equipment is small, can go on normal road surface, and it is high to lay the road surface reliability, and the roughness is good, satisfies the operation various complex environments under, and the operation is stable, and is safe convenient, reduces the acquisition cost of equipment by a wide margin, the road surface was laid in the assurance enough length.