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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.

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Active roadworks
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M3 roadworks in force now

M3 northbound Jct 13 to Jct 12 carriageway closure

Planned Roadworks National Highways
Hedge End M3 · M3 Eastbound Between J12 And J11

Expected to clear in 8 hours 54 minutes

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

M3 northbound Jct 13 to Jct 12 carriageway closure

Category: Road Maintenance
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Recently cleared on the M3

All live closures M3 closure history