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

• analysis of information about collisions and speeds
• information from the public
• the setting local speed limits in Wales guidance

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