The Welsh government has introduced plans to address traffic congestion in north and south Wales, including potential closures of M4 junctions in Newport and the construction of a new bridge over the Menai Strait. An 18-month study will explore various road-based solutions, including the possibility of a new motorway or expanding existing tunnels.
Concerns have been raised about the impact of junction closures on alternative routes, with warnings of increased congestion and noise. The estimated cost for the new Menai crossing could reach £700 million, with a timeline of up to ten years for completion.