M40 road closures & live traffic incidents

No live incident closures on the M40 right now, but 3 roadworks are currently in force.

Live M40 updates from National Highways and Traffic Wales: incident closures, roadworks in force, planned closures for the week ahead and recently cleared disruption.

Live incident

Active roadworks

Planned

Cleared

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M40 roadworks in force now

M40 northbound, Jct 4 to Jct 5, lane 3 and 2 closure

Planned Roadworks National Highways

Chiltern M40 · M40 Northbound Between J3 And J4

Expected to clear in 7 hours 37 minutes

Started 3 Aug 2026, 21:15 Expected clear 4 Aug 2026, 05:00

M40 northbound, Jct 4 to Jct 5, lane 3 and 2 closure

Category: Road Maintenance

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M40 Southbound Jct 5 to Jct 4 lane 3 and 2 closure

Planned Roadworks National Highways

Wycombe M40 · M40 J4 Southbound Exit

Expected to clear in 7 hours 37 minutes

Started 3 Aug 2026, 21:15 Expected clear 4 Aug 2026, 05:00

M40 Southbound Jct 5 to Jct 4 lane 3 and 2 closure

Category: Road Maintenance

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M40 southbound, Jct 7 to Jct 6, hard shoulder closure

Active Roadworks National Highways

Benson M40 · M40 Southbound Between J7 And J6

Expected to clear in 2 days 1 hour

Started 2 Aug 2026, 08:55 Expected clear 5 Aug 2026, 22:59

M40 southbound, Jct 7 to Jct 6, hard shoulder closure

Category: Road Maintenance

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Recently cleared on the M40

All live closures M40 closure history