Latest News Mon, Jan 6, 2025 7:19 AM
One of the UK’s largest and most technically challenging road projects is set to be completed in Wales this summer.
The £1.4bn Welsh Government funded project will improve accessibility, reduce journey times, provide extra resilience and reliability, and enhance road safety.
The A465 (Hirwaun to Dowlais) project when completed later this year will have delivered 17.7km of new dual carriageway, 6.1km of sideroads, more than 14km of active travel routes, 38 new culverts (a structure that channels water past an obstacle), 30 new bridges and 28 retaining walls.

As well as connecting communities by linking the Valleys, South and West Wales to the English Midlands and beyond, the scheme has also created significant opportunities for the local economy, including:
As well as economic benefits the project has also created a series of environmental benefits. To mitigate ecological impacts a series of measures have been taken as part of the project. These include:
Speaking on a visit to the A465 project, Cabinet Secretary for Transport and North Wales, Ken Skates said: “Fixing our roads is a key priority for us. We’ve spent £1bn fixing and improving our roads since 2021, including more than £250m in the past year.
“This project is an incredibly impressive piece of engineering and a fantastic example of how targeted investment in road infrastructure can deliver on many levels, providing jobs for the local community, improving accessibility, supporting education and skills, alongside delivering environmental benefits.
“It’s been a complex project which has not been without its challenges, and I would like to thank everyone who has played their part in helping us to deliver one of the largest road projects in the UK.”
Tim Wroblewski, Associate Director and Principal Environmental Planner for TACP (UK) Ltd added: “The project impacts sensitive habitats, species, and landscapes and through a series of innovative and best practice mitigation measures we’ve been working hard to ensure the project leaves a positive legacy on the environment.
“It is exciting to see our work starting to take shape with wildlife already making use of the new habitats we have installed.”
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