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M3 road closures & live traffic incidents

No live closures are reported on the M3 right now.

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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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 17 hours 9 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