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How to let the relevant highway authority know your thoughts about roads with a 20mph limit.

First published:
10 May 2024
Last updated:

How you can get involved

The speed limit on most roads in residential and built-up areas changed to 20mph in September 2023. 

We are revising the exceptions guidance that highway authorities use to decide which roads should be 30mph. This should be ready by July 2024.

We want you to let your highway authority know if you think a specific road should:

  • change from 20mph to 30mph
  • change from 30mph to 20mph
  • stay at 20mph

When giving feedback you must:

  • be clear and precise about which section of road you are talking about
  • give reasons for your views

They will review your feedback and the new exceptions guidance and consider if the speed limits on any of the roads (or section of roads) that they are responsible for should change. This is likely to take several months.

Who to contact

Local authority roads

You should provide feedback about local authority-managed roads by contacting your local authority directly.

Trunk roads

A trunk road is a major route that Welsh Government is the highway authority for, not the local authority. Examples of trunk roads are the A40, A5, and A4076. You can view a map of all Welsh trunk roads on DataMapWales

You can feedback about 20 and 30mph limits on trunk roads by emailing TrunkRoads20mph@gov.wales. Or you can send your feedback to your local authority and it will be shared with us if it relates to a trunk road.