Speed Bumps vs. Speed Humps | Traffic Management Blog
Rubber Speed Bumps for Sale - Portable, Etc.
Speed Hump | National Association of City Transportation Officials
Speed Hump Installation | LouisvilleKY.gov
Rubber Speed Bumps For Sale - Parking Lot Speed Bumps
This speed hump they installed in front of my house is about as useful as a perforated cereal bowl. People just drive down the middle of the road to avoid it. :