“Speed Tables” are vertical deflections – raised area across road width, slight curvature to discourage speeding. Primary different between this and a Speed Hump is the length – these are designed to support the entire length of an emergency vehicle to avoid grounding. For more details see NACTO

Positive Results

• May slow speed slightly

Negative Results

• Slow response time of emergency vehicles
• May divert traffic to parallel residential streets; and
• Possible increase in noise and pollution for residents living immediately adjacent to the speed bumps.