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

Hover or tap markers for full details

M40 roadworks in force now

M40 Northbound, Jct 11 entry slip road closure

Planned Roadworks National Highways

Bicester M40 · M40 J11 Northbound Access

Expected to clear in 5 hours 59 minutes

Started 12 Oct 2026, 21:15 Expected clear 13 Oct 2026, 05:00

M40 Northbound, Jct 11 entry slip road closure

Category: Road Maintenance

View update

M40 Southbound Jct 5 to Jct 4 hard shoulder, lane 1 and 2 closure

Planned Roadworks National Highways

Wycombe M40 · M40 Southbound Between J5 And J4

Expected to clear in 5 hours 59 minutes

Started 12 Oct 2026, 20:00 Expected clear 13 Oct 2026, 05:00

M40 Southbound Jct 5 to Jct 4 hard shoulder, lane 1 and 2 closure

Category: Construction Work

View update

M40 Southbound Jct 4 to Jct 3 lane 3 and lane 2 closures.

Planned Roadworks National Highways

Chiltern M40 · M40 Southbound Between J4 And J3

Expected to clear in 5 hours 59 minutes

Started 12 Oct 2026, 20:00 Expected clear 13 Oct 2026, 05:00

M40 Southbound Jct 4 to Jct 3 lane 3 and lane 2 closures.

Category: Road Maintenance

View update

Recently cleared on the M40

All live closures M40 closure history