Speed Cushion | National Association of City Transportation Officials
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. :
What to Consider When Choosing Speed Bumps
Speed table vs. speed hump: Which one is the best? | Sino Concept
How to Fight Speed Bumps, Humps and Cushions Part 1 - National Motorists Association