Speedbumps UK

For questions or comments about the Speed Hump Program, please call the Street Transportation Department Traffic Services Division at 602-495-5463.​

We acknowledge the Traditional Owners and Custodians of Country throughout Australia. We pay our respects to all First Nations peoples and acknowledge Elders past and present.

100mmspeed bump

Is petitioning required?Yes. Petitions help show whether strong resident support for speed humps exists. The City will designate an "affected area," usually consisting of homes along the street where speed humps are proposed. Residents must obtain support from at least 70 percent of residents in the affected area, and must obtain support from every resident whose home is within 100 feet of a proposed speed hump.

Speed humps are asphalt mounds placed on roadways for the purpose of slowing traffic. Speed humps are different than speed bumps, which are commonly seen in parking lots or on private streets. The City of Phoenix only installs speed humps on public streets.

How much to install aspeed bump

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Who pays for speed humps, and how much do they cost?Each speed hump, together with required signing and striping, costs approximately $3,500 to install. Residents pay a portion of the cost, depending on a street's average speed after a traffic study. The costs are shown below. Residents can collect and pay their portion of the cost of speed humps any way they like.

Why are speed humps desirable?Speed humps can help control speeding on local neighborhood streets: They could reduce average speeds up to 6 mph or more. Unlike traditional police enforcement, speed humps provide continuous service. They may also help discourage cut-through traffic by diverting it elsewhere.​

Speed humps interfere with street repaving, decreasing the effectiveness of both the speed hump and the new pavement surface.

How can our neighborhood begin the process of installing speed humps?The first step in the process is residents talking with their neighbors to engage neighborhood support for possible installation of speed humps. The second step would be ​a traffic study, which will show the average speed of vehicles using a street. To request a study, residents should print out, complete, and return the attached "Speed Hump Study Request" form(PDF) and obtain signatures representing ten households on the street. A separate form should be completed for each street where humps are to be considered. Signing this form does not commit residents to support speed humps, nor does it commit them to provide funding in the future.