M4 Relief Road and Menai Crossing Back on Political Agenda
An M4 relief road and the possibility of a third Menai crossing have returned to prominence in Welsh political discussions.
The first minister has acknowledged that
"something has to be done", yet the specific solutions the new Plaid Cymru Welsh government will propose remain unclear.
Rhun ap Iorwerth, lacking a majority in the Senedd, will need to secure support from other parties once his government finalizes its approach.
Options and Commitments
There are numerous options available to the recently elected first minister, but he has yet to commit to any particular plan.
Ap Iorwerth has expressed a desire to address congestion on the M4, emphasizing the need for a
"roads-based solution".
However, he has dismissed the idea of revisiting the so-called black route relief road, a full-scale motorway proposal across the Gwent Levels that was abandoned in 2019 by the previous Labour government.
The challenges that led to the abandonment of that plan persist today.
The Gwent Levels remain under environmental protection, and estimates suggest the original £1.6 billion cost could have escalated to £2.5 billion — nearly the entire Welsh government capital budget.
Long-Term Solutions and Political Negotiations
Plaid Cymru seeks a long-term
"legacy"solution to these transport issues but will need to negotiate with other parties to pass any measures through the Senedd.
Previous studies addressing two of Wales’ most significant transport challenges are likely to be revisited, as voters are unlikely to accept redundant or costly reinventions.
Potential Measures Under Consideration
Possible measures include road improvements to the A48, which runs through southern Newport; tolling the M4; increasing bus services; and introducing dedicated lanes, particularly for local journeys.
There is also consideration of accelerating the development of new stations along the South Wales mainline, although the first of these projects are not expected to commence before 2029.
Advancing rail infrastructure would require discussions with the UK government, aligning with Plaid’s campaign message of advocating for Wales.
Awaiting Infrastructure Resilience Report
These deliberations coincide with the anticipated release of a report on the
"resilience"of Wales’ busiest trunk roads: the M4, A55, and A494.
This report was commissioned last summer by former Labour transport secretary Ken Skates to
"inform future investment decisions".
Political Dynamics and Party Positions
One question facing Plaid Cymru is whether other parties will maintain their current positions or support the proposals that emerge.
The Reform party appears an unlikely partner, while Labour seems focused on enhancing rail links.
The Conservatives have left some room for negotiation by suggesting any new proposals should adhere
"as closely as possible"to the original plans rejected seven years ago.
The Green Party opposes building new roads altogether.
Responsibility and Expectations on the First Minister
Ultimately, the responsibility for the next steps lies with the new first minister.
"Something has to be done"will only carry him so far, as he now holds the decision-making authority.
By raising both the M4 and Menai Strait early in his tenure, ap Iorwerth signals these as priorities, but this also increases pressure to make effective decisions and deliver results.
Both the M4 relief road and the Menai crossing received only brief mentions in Plaid’s election manifesto, similar to how a new 20mph law was briefly noted in Labour’s 2021 plans.
Traffic, congestion, and transport issues involving cars, buses, and trains remain significant concerns for voters.
By addressing these issues within two weeks of taking office, ap Iorwerth has set expectations that he will achieve progress where others have not.
