Severe
Eastbound Starting soon 🌙 tonight
A303 eastbound Sparkford to Wincanton - carriageway closure
Overall Scheme Details: A303 eastbound Sparkford to Wincanton - carriageway closure for carriageway repairs.
Diversion: Diversion via A359, A371. All other entry slips closed, diversion west to Sparkford then above
✅ until 07:00 Wed 23 Sep
Severe
Westbound Starting soon 🌙 tonight
A303 westbound Wincanton to Sparkford - carriageway closure
Overall Scheme Details: A303 westbound Wincanton to Sparkford - carriageway closure for carriageway repairs.
Diversion: Diversion via A371, A359. All other entry slips closed, diversion east to Wincanton then above
✅ until 07:00 Wed 23 Sep
Severe
Westbound Starting soon 🌙 tonight
A303 westbound Hundred Acre to Parkhouse Cross carriageway closure
Overall Scheme Details: A303 both directions Hundred Acre to Parkhouse Cross.
Carriageway closure for structures work.
✅ until 07:00 Wed 23 Sep
Severe
Eastbound Starting soon 🌙 tonight
A303 eastbound Parkhouse Cross to Thruxton Village carriageway closure
Overall Scheme Details: A303 both directions Hundred Acre to Parkhouse Cross.
Carriageway closure for structures work.
✅ until 07:00 Wed 23 Sep
Moderate
Eastbound Starting soon 🌙 tomorrow night
A303 eastbound Parkhouse entry slip road closure
Overall Scheme Details: A303 eastbound Parkhouse.
Slip road and lane closures for maintenance work.
✅ until 07:00 Thu 24 Sep
Moderate
Eastbound Starting soon 🌙 Thu 24 Sep
A303 eastbound Thruxton Circuit entry slip road closure
Overall Scheme Details: A303 eastbound Thruxton Circuit.
Slip road and lane closures for maintenance work.
✅ until 07:00 Fri 25 Sep
❓ A303 roadworks — Frequently Asked Questions
Are there roadworks on the A303 right now?
No roadworks are currently running on the A303 according to National Highways.
Is the A303 closed tonight?
6 closures are scheduled on the A303 in the next 72 hours. Each one is listed above with its window and diversion.
When are A303 roadworks usually carried out?
Most National Highways lane closures on the A303 run overnight and are lifted before the morning peak (07:30–09:30). Full carriageway closures are usually weekend nights, with a signed diversion.
🛣️ Data from National Highways ·
All UK roadworks ·
Overnight closures ·
A303 live traffic
Roadworks change at short notice. Always follow signs and signals on the road.