A3 road closures & live traffic incidents

No live incident closures on the A3 right now, but 1 roadwork is 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.

Live incident

Active roadworks

Planned

Cleared

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A3 roadworks in force now

A3 northbound lane 2 closure (28/4 to 31/8)

Planned Roadworks National Highways

Petersfield A3 · A3 Northbound Between B3006 And A325

Expected to clear in 9 hours 39 minutes

Started 7 Jul 2026, 19:00 Expected clear 8 Jul 2026, 05:00

A3 northbound lane 2 closure (28/4 to 31/8)

Category: Road Maintenance

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A3 closures planned this week

A3 northbound Hazel Grove entry slip road closure

Planned Roadworks National Highways

Farnham A3 · A3 Northbound Access From A333

Starts in 39 minutes 22 seconds

Starts 7 Jul 2026, 20:00 Expected clear 8 Jul 2026, 05:00

A3 northbound Hazel Grove entry slip road closure

Category: Road Maintenance

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A3 northbound Dennis to Stoke carriageway closure

Planned Roadworks National Highways

Guildford A3 · A3 Northbound Between A322 And A320

Starts in 39 minutes 22 seconds

Starts 7 Jul 2026, 20:00 Expected clear 8 Jul 2026, 05:00

A3 northbound Dennis to Stoke carriageway closure

Category: Road Maintenance

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Recently cleared on the A3

All live closures A3 closure history