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M4 road closures & live traffic incidents

No live closures are reported on the M4 right now.

Live M4 updates from National Highways and Traffic Wales: incident closures, roadworks in force, planned closures for the week ahead and recently cleared disruption.

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M4 closures planned this week

M4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running

Planned Roadworks National Highways
South Gloucestershire M4 · M4 Eastbound Between J19 And J18

Starts in 3 hours 19 minutes

Starts 11 Oct 2026, 20:00 Expected clear 12 Oct 2026, 05:00

M4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running

Category: Road Maintenance
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Recently cleared on the M4

All live closures M4 closure history