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Planned full closures on England's motorways and major A roads. Most run 20:00–06:00.
1 closure across England on the M4 · tonight · full road closures only · clear filters
The M4 westbound carriageway is closed from 22:00 until 06:00 tonight — about 8 hours.
You will need another route — the main carriageway is shut.
M4 westbound Jct 21 to 23 Prince of Wales Bridge carriageway closure
M4 westbound Jct 21 to 23 Prince of Wales bridge carriageway closure for structure maintenance.
Diversion via M48 westbound. For M49 northbound traffic diversion via M4 eastbound to Jct 20, M5 southbound Jct 16 exit slip, M5 northbound, M4 westbound and M48.
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Source: National Highways daily closure report,
imported twice daily. Closures are subject to change at short notice, especially in poor weather —
always follow the signs on the road.
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