Severe
Southbound Starting soon 🌙 Wed 14 Oct
A43 southbound Syresham to Brackley carriageway closure
Overall Scheme Details: A43 northbound and southbound, Barley Mow Roundabout to Towcester
Lay-by, carriageway closures with
Diversion: diversion and 24/7 narrow lanes, speed and cycle restrictions for junction improvements.
Diversion via national Highways and Local Authority network.
✅ until 06:00 Thu 15 Oct
Severe
Northbound Starting soon 🌙 Wed 14 Oct
A43 northbound Brackley to Syresham carriageway closure
Overall Scheme Details: A43 northbound and southbound, Barley Mow Roundabout to Towcester
Lay-by, carriageway closures with
Diversion: diversion and 24/7 narrow lanes, speed and cycle restrictions for junction improvements.
Diversion via national Highways and Local Authority network.
✅ until 06:00 Thu 15 Oct
Moderate
Southbound Starting soon 🌙 Wed 14 Oct
A43 southbound Syresham entry slip road closure
Overall Scheme Details: A43 northbound and southbound, Barley Mow Roundabout to Towcester
Lay-by, carriageway closures with
Diversion: diversion and 24/7 narrow lanes, speed and cycle restrictions for junction improvements.
Diversion via national Highways and Local Authority network.
✅ until 06:00 Thu 15 Oct
❓ A43 roadworks — Frequently Asked Questions
Are there roadworks on the A43 right now?
No roadworks are currently running on the A43 according to National Highways.
Is the A43 closed tonight?
3 closures are scheduled on the A43 in the next 72 hours. Each one is listed above with its window and diversion.
When are A43 roadworks usually carried out?
Most National Highways lane closures on the A43 run overnight and are lifted before the morning peak (07:00–09:00). Full carriageway closures are usually weekend nights, with a signed diversion.
🛣️ Data from National Highways ·
All UK roadworks ·
Overnight closures ·
A43 live traffic
Roadworks change at short notice. Always follow signs and signals on the road.