M3 road closures & live traffic incidents

No live incident closures on the M3 right now, but 1 roadwork is currently in force.

Live M3 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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M3 roadworks in force now

M3 northbound Jct 13 to Jct 12 carriageway closure

Active Roadworks National Highways

Hedge End M3 · M3 Eastbound Between J12 And J11

Expected to clear in 2 hours 44 minutes

Started 12 Oct 2026, 19:47 Expected clear 13 Oct 2026, 05:00

M3 northbound Jct 13 to Jct 12 carriageway closure

Category: Road Maintenance

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M3 closures planned this week

M3 northbound lane 1 and 2 closure (50/3 to 48/7)

Planned Roadworks National Highways

Bagshot M3 · M3 Eastbound Between J4 And J3

Starts in 16 hours 44 minutes

Starts 13 Oct 2026, 19:00 Expected clear 14 Oct 2026, 05:00

M3 northbound lane 1 and 2 closure (50/3 to 48/7)

Category: Road Maintenance

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Recently cleared on the M3

All live closures M3 closure history