A3 road closures & live traffic incidents

No live incident closures on the A3 right now, but 4 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.

Live incident

Active roadworks

Planned

Cleared

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A3 roadworks in force now

A3 northbound lane 1 closure (20/7 to 21/7)

Active Roadworks National Highways

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

Expected to clear in 7 hours 2 seconds

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

A3 northbound lane 1 closure (20/7 to 21/7)

Category: Road Maintenance

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

Active Roadworks National Highways

Petersfield A3 · A3 Northbound Between B3006 And A325

Expected to clear in 7 hours 2 seconds

Started 7 Jul 2026, 19:44 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 northbound Hazel Grove entry slip road closure

Active Roadworks National Highways

Farnham A3 · A3 Northbound Access From A333

Expected to clear in 7 hours 2 seconds

Started 7 Jul 2026, 19:39 Expected clear 8 Jul 2026, 05:00

A3 northbound Hazel Grove entry slip road closure

Category: Road Maintenance

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A3 northbound lane 1 closure (41/3 to 40/0) Surrey

Active Roadworks National Highways

Farnham A3 · A3 Northbound Between A333 And A283 Near Milford (North)

Expected to clear in 7 hours 2 seconds

Started 7 Jul 2026, 19:21 Expected clear 8 Jul 2026, 05:00

A3 northbound lane 1 closure (41/3 to 40/0) Surrey

Category: Road Maintenance

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Recently cleared on the A3

All live closures A3 closure history