A3 road closures & live traffic incidents

No live incident closures on the A3 right now, but 2 roadworks are currently in force.

Live A3 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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A3 roadworks in force now

A3 southbound lane 1 closure (37/7 to 36/9) Hampshire

Active Roadworks National Highways

Farnham A3 · A3 Southbound Between A333 And B2131

Expected to clear in 5 hours 4 minutes

Started 12 Oct 2026, 20:11 Expected clear 13 Oct 2026, 05:00

A3 southbound lane 1 closure (37/7 to 36/9) Hampshire

Category: Road Maintenance

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A3 southbound Chalton exit slip road closure

Active Roadworks National Highways

Petersfield A3 · A3 Southbound Exit At A Minor Junction Between B2070 And A3(M)

Expected to clear in 5 hours 4 minutes

Started 12 Oct 2026, 19:56 Expected clear 13 Oct 2026, 05:00

A3 southbound Chalton exit slip road closure

Category: Road Maintenance

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Recently cleared on the A3

All live closures A3 closure history