A3 road closures & live traffic incidents

No live closures are reported on the A3 right now.

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 closures planned this week

A3 northbound lane 3 closure (21/7 to 20/9)

Planned Roadworks National Highways

Guildford A3 · A3 Northbound Between A3100 And A247

Starts in 21 minutes 5 seconds

Starts 14 Oct 2026, 19:00 Expected clear 15 Oct 2026, 05:00

A3 northbound lane 3 closure (21/7 to 20/9)

Category: Road Maintenance

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A3 northbound lane 1 closure (14/8 to 19/0)

Planned Roadworks National Highways

Petersfield A3 · A3 Northbound Between B2070 And A272 Near Petersfield (South)

Starts in 1 hour 21 minutes

Starts 14 Oct 2026, 20:00 Expected clear 15 Oct 2026, 05:00

A3 northbound lane 1 closure (14/8 to 19/0)

Category: Road Maintenance

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A3 northbound Weston exit slip road closure

Planned Roadworks National Highways

Petersfield A3 · A3 Northbound Access From B2070

Starts in 1 hour 21 minutes

Starts 14 Oct 2026, 20:00 Expected clear 15 Oct 2026, 05:00

A3 northbound Weston exit slip road closure

Category: Road Maintenance

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Recently cleared on the A3

All live closures A3 closure history