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.

Live incident

Active roadworks

Planned

Cleared

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A3 roadworks in force now

A3 Northbound Wisley entry slip road closure

Active Roadworks National Highways

Hersham A3 · Fast Slip From M25 Anti-Clockwise To A3 Northbound

Expected to clear in 4 hours 39 minutes

Started 30 Jul 2026, 21:00 Expected clear 31 Jul 2026, 04:30

A3 Northbound Wisley entry slip road closure

Category: Construction Work

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A3 northbound lane 1 closure (40/5 to 37/5) Surrey

Active Roadworks National Highways

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

Expected to clear in 5 hours 9 minutes

Started 30 Jul 2026, 18:33 Expected clear 31 Jul 2026, 05:00

A3 northbound lane 1 closure (40/5 to 37/5) Surrey

Category: Road Maintenance

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Recently cleared on the A3

All live closures A3 closure history