Trunk roads in Wales

It reviewed the existing trunk road network and identified routes that were of national strategic importance.

Six years later on 1 April 2012 these were again reduced further down to two: Neath Port Talbot County Borough Council and Gwynedd Council manage and maintain the trunk road network on behalf of the Transport and Strategic Regeneration division of the Welsh Government for SWTRA and NMWTRA respectively.

[19] Following the 2004 review of the Welsh Government's transport policy in 2004,[19] they updated the list for major improvements and new road schemes.

[19] In December 2008 the Trunk Road Forward Programme was again updated due to the pledges made in the One Wales the Labour Party and Plaid Cymru.

[1][2] In 2023, the Welsh Government announced it was expecting more interventional schemes would be required in the future to tackle long-standing air quality issues.

[20] Starting in March 2023, the Welsh Government were drafting a bill to expand their powers to implement road pricing, should they need it.