Speed Hump Tool Kit

Check with the city first

If you are concerned that there may be a speeding problem or too much cut-through, non-neighborhood traffic on your local residential street. Since there are some criteria that must be met, let the city do the evaluation so they can determine if your street is eligible for the installation of speed humps.

It’s Simple! You can make a request online by visiting http://www.memphistn.gov/residents/311landingpage.aspx and providing the following information. Or download the request form. Check out the general procedures below:

Speed Hump Request Procedures

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Identify the specific street segment of concern such as X Street between Y Street and Z Street. It is better to identify a specific street where there is a concern as opposed to requesting a speed hump study for every street in a neighborhood.
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It is desirable that a request for a speed hump study be from a neighborhood association or group. However, if one does not exist, requests for a study will be accepted from individuals.
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All requests for speed hump studies will be addressed in the order they are received.
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Street segments that do not meet the criteria contained in the Speed Hump Installation Policy will be rejected. Rejected street segments are not eligible for reapplication for a period of 2 years from rejection date. Street segments that do meet the criteria must be approved by at least 75 percent of the residences within an identified impact area. Approved street segments that do meet the criteria will be placed on a list for the installation of speed humps. The speed humps will be installed as funding is available.


Project Approval Criteria

Speed hump projects will be evaluated on the basis of existing speeds and volumes. Once a speed hump request has been evaluated and determined to meet the City's criteria, the request will be ranked according to the date a verification statement endorsing the speed humps is received from the neighborhood association, organization, or individual. For a street to be considered for speed humps, Condition 1 (Speed) and Condition 2 (Volume) must be met.

Speed - Condition 1

The speed criterion considers the difference between the posted (or regulatory) speed limit of 30 mph or less and the measured speed of vehicles over a 24-hour period. To be considered, the 85th percentile speed along the street must exceed the posted (or regulatory) speed limit.

Traffic Volume - Condition 2

The 24-hour volumes (two-way) must exceed 300 vehicles or 50 vehicles during a single hour. The 24-hour volumes (two-way) shall not exceed 7000 vehicles. Streets exceeding 7000 vehicles are considered to be major collector streets and not eligible for speed humps. 

Accident Experience - Condition 3 
A special variance will be granted for any requested segment that has exhibited 3 or more correctible crashes a year, over the past 3 years.

School Zones/Parks - Condition 4

A special variance will be granted for any request that runs adjacent to a school or park.

 

 

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