Start date: 22:00 19/11/25 | End date: 06:00 20/11/25
National Highways will be carrying out essential carriageway works on the M4 Eastbound on the Prince of Wales Bridge.
National Highways have notified that the M4 J23 and J22 Prince of Wales Bridge will need to be closed eastbound for works between 22:00 19/11/25 until 06:00 20/11/25.
Different diversion routes will be in place depending on vehicle class.
Weight restrictions on M48 Severn Bridge eastbound will be lifted for cars and HGVs under traffic control for the above times only.
The M48 Severn Bridge westbound is restricted to vehicles over 7.5 tonnes only, vehicle under 7.5 tonnes will not be affected.
The latest information is available on the National Highways website here.
Cars and light vehicles: Use the M48 Severn Bridge
Heavy goods vehicles over 7.5 tonnes: The M48 weight limit still applies. Follow this route:
- Exit at M4 junction 24
- Take A449, then A40, then M50
- Join M5 at junction 8
- Continue to M5 junction 15
- Rejoin M4 at Almondsbury
For further information, please contact Traffic Wales on 0300 123 1213 or via Twitter @TrafficWalesN/@TrafficWalesS
Or you can visit National Highways’ dedicated webpage: nationalhighways.co.uk/M4PoWBridge, contact its Contact Centre on 0300 123 5000 (open 24/7) or email: [email protected]