Vertical Displacement: Speed Humps and Tables | Center for Transportation Research and Education
Speed Table | National Association of City Transportation Officials
Big Dot of Happiness Bump, Set, Spike - Volleyball - Baby Shower or Birthday Party Round Table Decorations - Paper Chargers - Place Setting For 12 | The Shops at Willow Bend
Denver's getting its first speed bumps (outside of a park) - Denverite, the Denver site!
The Data School - How to make a bump chart
Speed Table | National Association of City Transportation Officials