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Helps local authorities decide when to change speed limits to better suit local conditions.

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First published:
1 October 2009
Last updated:


Setting local speed limits in Wales , file type: PDF, file size: 198 KB

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We are in the process of updating this guidance.

The guidance advises highway authorities on how to set local speed limits on single and dual carriageways in urban and rural areas. 

It is being revised to reflect the default speed limit change in residential areas to 20mph. The guidance is out of date as it was written in 2009.

The new version will take in to account policies such as Net Zero Wales and the Wales Transport Strategy.

A local speed limit can be set to meet local needs and considerations. This includes areas where it is desirable to drive at a different speed to the national speed limit.