A303 road closures & live traffic incidents

No live closures are reported on the A303 right now.

Live A303 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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A303 closures planned this week

A303 eastbound Martock to Cartgate roundabout lane closure (209/1 to 207/4)

Planned Roadworks National Highways

Yeovil A303 · A303 Eastbound Between A356 And A3088

Starts in 3 hours 18 minutes

Starts 12 Oct 2026, 19:00 Expected clear 13 Oct 2026, 05:00

A303 eastbound Martock to Cartgate roundabout lane closure (209/1 to 207/4)

Category: Road Maintenance

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A303 eastbound lane 1 closure (99/1 to 95/1)

Planned Roadworks National Highways

Basingstoke A303 · A303 Eastbound Between B3048 And A34

Starts in 3 hours 18 minutes

Starts 12 Oct 2026, 19:00 Expected clear 13 Oct 2026, 05:00

A303 eastbound lane 1 closure (99/1 to 95/1)

Category: Road Maintenance

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A303 eastbound Bulford to Parkhouse lane 2 closure (127/7 to 125/4)

Planned Roadworks National Highways

Wiltshire A303 · A303 Eastbound Between A3028 And A338

Starts in 3 hours 18 minutes

Starts 12 Oct 2026, 19:00 Expected clear 13 Oct 2026, 05:00

A303 eastbound Bulford to Parkhouse lane 2 closure (127/7 to 125/4)

Category: Construction Work

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A303 eastbound Cartgate roundabout to Tintinhull carriageway closure

Planned Roadworks National Highways

Yeovil A303 · A303 Eastbound Between A3088 And A37

Starts in 4 hours 18 minutes

Starts 12 Oct 2026, 20:00 Expected clear 13 Oct 2026, 05:00

A303 eastbound Cartgate roundabout to Tintinhull carriageway closure

Category: Road Maintenance

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Recently cleared on the A303

All live closures A303 closure history