Speed Humps

Device name(s): Speed Hump

Speed Hump

Approximate Cost: $1,500-$5,000

Speed Reduction: 8 mph

Note: Speed Humps are NOT Speed Bumps. These are two different devices.

Description: Speed humps are rounded, tapered raided areas placed across a roadway to reduce speed. The height of the speed hump determines how fast it can be navigated without causing discomfort to the driver. 12′ long, 3″ height mounds that extend the full width of the street.

Fast Facts:

  • Can be used on Local Street- Yes
  • Can be used on Collector- Possible
  • Can be used on Arterial- No
  • Reduces Speed-Yes
  • Reduces Volume- Possible
  • Noise Impact- Yes
  • Restricts Access- No
  • Bicyclist Impact- No
  • Transit Impact- No
  • Parking Impact- No
  • Emergency Response Impact- Yes


  • Slows traffic immediatly
  • Self-enforcing
  • Effective in reducing speeds


  • Increases response time for emergency vehicles
  • Motorists tend to speed between humps
  • Increases regular maintenance


Supplemented with appropriate striping and signage to adequately inform drivers

Speed Humps

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