
A Major Road Closure You Should Know About
If you regularly travel on the A4042 highway between Cwmbran and Pontypool, brace yourself for a five-night complete closure set to take place from 8 PM on September 29, 2025, until 7 AM on October 4, 2025. This decision has been made as part of essential roadworks to improve the trunk road infrastructure, which is vital for the local community and regional traffic.
Details of the Closure
The closure affects both northbound and southbound carriageways, including significant junctions at Court Farm Roundabout and Mamhilad Roundabout. Vehicles, with the exception of emergency services and works vehicles, will not be allowed to pass. Therefore, it’s crucial to plan your route ahead of time.
Understanding the Diversion Routes
For those looking to travel north from the southern side of the closure, motorists will be directed to take an alternative route. This diversion includes taking the A4042 southbound to the M4 Junction 25a Grove Park, and then eastbound on the M4 to Junction 24 Coldra before proceeding to join the A449 northbound. Finally, drivers will merge onto the A40 westbound, ultimately reaching Abergavenny. Non-motorway traffic from Grove Park will redirect to Usk Way and then into the A48 Southern Distributor Road before continuing to the designated route.
Impact on Local Traffic
Residents will still have access along the A4042 to points short of the actual closures, ensuring essential services and emergency access are maintained. Local authority-maintained side roads will also be managed accordingly to minimize disruption.
What This Means for You
The closure, while necessary for infrastructure improvements, will undoubtedly impact travel times for those in and around the Monmouthshire and Torfaen areas. It's important to stay informed of these changes and adjust your travel plans accordingly.
Stay updated for further announcements as the closure date approaches. Proper planning can help mitigate travel headaches during this period.
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