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How we review speed limits and collisions to improve safety on trunk roads.

First published:
17 March 2023
Last updated:

This map shows planned speed limit changes and improvements to the safety of trunk roads in response to:  

© Crown copyright and database rights 2023 OS 100021874, viaEuropa: © 2023 Europa Technologies Ltd. All rights reserved.

View the full map on DataMapWales

The map shows red and blue lines along trunk roads: 

  • red lines show sections where road safety improvements are planned
  • blue lines show sections where no road safety improvements are planned

Yellow square icons mark the start and end of trunk road sections. 

Select a line on the map for further information, including:  

  • description of the selected trunk road section
  • details of any planned improvements
  • the earliest date that scheme development will start