Speed bumps are preformed to ensure a smooth, safe ride. The channeled bottom helps facilitate drainage as well as cover cabling or piping. Can be installed for temporary or permanent use and includes in-molded, reflective tape in yellow. End caps can be purchased separately and are recommended to protect the speed bump ends. (L) 6’ x (W) 12″ x (H) 2 ¼” – 51 lbs.