RubberForm has the largest and most diverse traffic calming product line in the USA. We offer our MLSB and RK Speed Bump and Speed Hump Product Lines. nOur MLSB2.5 speed bump is a 2-½” high by 36” long with 2 ATTSA yellow reflectors, which will slow traffic to 5 to 10 mph. nOur MLSB3 speed bump is a 3” high by 36” long with bright yellow reflector strip, which will slow traffic to 5 mph. nOur MLSB4 is the most aggressive speed bump on the market. This 4” high speed bump will slow traffic to about 3-5 mph and was designed for use on construction sites and trucks (not recommended for pedestrian or personal vehicle use).nWe offer 3 products in our RK speed bump and speed hump product line. All sections are 24” long so they can be sectioned together for any road/lane width needed.nThe RK-10 speed bump is a 1-7/8” high x 10” wide x 24” long section with end cap sections. nOur RK-18 mini speed hump is a 1-7/8” high x 18” wide x 24” long section with end cap sections.nOur RK-36 speed hump is a 1-7/8” high x 36” wide x 24” long section with end cap sections.n