Speed Bump Product Type Speed Bump Height 3 in Length 48 in Installation Method Bolts on Concrete Spikes on Asphalt Installation Type Permanent Width 12 in Color Black/Yellow Installation Surface Asphalt Concrete Material Rubber Number of Cable Channels 2 Number of Installation Holes 3 Traffic Speed Rating 2 to 5 mph Cable Channel Height (2) 2 in Cable Channel Width (2) 1 1/4 in Includes Cable Channel Yes Includes Installation Hardware No Maximum Weight Capacity 40 000 lb