Is the A43 closed? Quick answers
Checked 13:58 on Tuesday 3 November 2026.
Is the A43 closed tonight?
No full closures. The A43 stays open tonight (Tue 3 Nov, 18:00 to 06:00). 3 lane or slip road closures are planned: northbound Silverstone exit slip road closure, 20:00 to 06:00; and northbound Syersham entry slip road closure, 20:00 to 06:00 and 1 more.
Tonight's A43 closures ›Is the A43 closed this weekend?
No full closures. The A43 stays open this weekend (Fri 6 Nov 18:00 to Mon 9 Nov 06:00). 2 lane or slip road closures are planned: northbound Silverstone exit slip road closure, Fri 20:00 to 06:00; and northbound Silverstone entry slip road closure, Fri 20:00 to 06:00.
This weekend's A43 closures ›Are there roadworks on the A43 right now?
No. Nothing is running on the A43 at 13:58.
Works running now ›From National Highways' closure report and live feed. Full closure means the carriageway is shut; lane and slip road closures leave it open. Times can change, so check before you set off.
A43 closures tonightTue 3 Nov, 18:00 to 06:00
No full closures. The A43 stays open tonight (Tue 3 Nov, 18:00 to 06:00). 3 lane or slip road closures are planned: northbound Silverstone exit slip road closure, 20:00 to 06:00; and northbound Syersham entry slip road closure, 20:00 to 06:00 and 1 more.
Slip road closureNorthbound20:00 to 06:00
Silverstone exit slip road closure
Overall Scheme Details: A43 northbound and southbound Brackley to Towcester.
Slip road, lay-by and lane closures due to maintenance works.
Diversion: Diversion via National Highways network.
Slip road closureNorthbound20:00 to 06:00
Syersham entry slip road closure
Overall Scheme Details: A43 northbound and southbound Brackley to Towcester.
Slip road, lay-by and lane closures due to maintenance works.
Diversion: Diversion via National Highways network.
Slip road closureNorthbound20:00 to 06:00
Main Road entry slip road closure
Overall Scheme Details: A43 northbound and southbound Brackley to Towcester.
Slip road, lay-by and lane closures due to maintenance works.
Diversion: Diversion via National Highways network.
A43 closures this weekendFri 6 Nov 18:00 to Mon 9 Nov 06:00
No full closures. The A43 stays open this weekend (Fri 6 Nov 18:00 to Mon 9 Nov 06:00). 2 lane or slip road closures are planned: northbound Silverstone exit slip road closure, Fri 20:00 to 06:00; and northbound Silverstone entry slip road closure, Fri 20:00 to 06:00.
Lay-by closureNorthboundFri 6 Nov, 13:00 to 06:00
Lay-by closure
Overall Scheme Details: A43 northbound and southbound Brackley to Towcester.
Slip road, lay-by and lane closures due to maintenance works.
Diversion: Diversion via National Highways network.
Slip road closureNorthboundFri 6 Nov, 20:00 to 06:00
Silverstone exit slip road closure
Overall Scheme Details: A43 northbound and southbound Brackley to Towcester.
Slip road, lay-by and lane closures due to maintenance works.
Diversion: Diversion via National Highways network.
Slip road closureNorthboundFri 6 Nov, 20:00 to 06:00
Silverstone entry slip road closure
Overall Scheme Details: A43 northbound and southbound Brackley to Towcester.
Slip road, lay-by and lane closures due to maintenance works.
Diversion: Diversion via National Highways network.
A43 roadworks running now
Severe
Starting soon
There will be one of two lanes closed
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear around 06:00 on 14 November 2026
Severe
Clockwise Starting soon
The A43 clockwise between junctions with the M1 and A5
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear around 06:00 on 12 November 2026
Severe
Northbound Starting soon
The A43 northbound between junctions with the A5 and M1
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear around 06:00 on 13 November 2026
Severe
Southbound Starting soon
The A43 southbound between junctions with the M1 and A5
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear around 06:00 on 12 November 2026
Severe
Starting soon
From 20:00 on 09 November 2026 to 06:00 on 10 November 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear around 06:00 on 10 November 2026
Severe
Starting soon
From 20:00 on 10 November 2026 to 06:00 on 11 November 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear around 06:00 on 11 November 2026
Severe
Starting soon
From 20:00 on 11 November 2026 to 06:00 on 12 November 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear around 06:00 on 12 November 2026
Severe
Westbound Starting soon
The A43 westbound entry slip at junction J15A
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear around 06:00 on 12 November 2026
Severe
Starting soon
On the roundabout at junction with the A43 and M1
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear around 06:00 on 12 November 2026
Severe
Southbound Starting soon
The A43 southbound between junctions with the A422 and A422
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear around 15:30 on 3 November 2026
Severe
Southbound Starting soon
The A43 southbound between junctions with the A413 and A422
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear around 15:30 on 3 November 2026
Severe
Northbound Starting soon
The A43 northbound between junctions with the A422 and A5
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear around 15:30 on 3 November 2026
Severe
Northbound Starting soon
The A43 northbound between junctions with the A422 and A422
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear around 15:30 on 3 November 2026
A43 closures in the next 2 weeksOther nights, as far ahead as National Highways have published (to Mon 9 Nov)
Wednesday 4 Nov night · 2 closures
Slip road closureSouthbound20:00 to 06:00
Syersham exit slip road closure
Overall Scheme Details: A43 northbound and southbound Brackley to Towcester.
Slip road, lay-by and lane closures due to maintenance works.
Diversion: Diversion via National Highways network.
Slip road closureSouthbound20:00 to 06:00
Biddlesden exit slip road closure
Overall Scheme Details: A43 northbound and southbound Brackley to Towcester.
Slip road, lay-by and lane closures due to maintenance works.
Diversion: Diversion via National Highways network.
Thursday 5 Nov, daytime · 1 closure
Lay-by closureNorthbound13:00 to 06:00
Lay-by closure
Overall Scheme Details: A43 northbound and southbound Brackley to Towcester.
Slip road, lay-by and lane closures due to maintenance works.
Diversion: Diversion via National Highways network.
Thursday 5 Nov night · 2 closures
Slip road closureNorthbound20:00 to 06:00
Silverstone exit slip road closure
Overall Scheme Details: A43 northbound and southbound Brackley to Towcester.
Slip road, lay-by and lane closures due to maintenance works.
Diversion: Diversion via National Highways network.
Slip road closureNorthbound20:00 to 06:00
Silverstone entry slip road closure
Overall Scheme Details: A43 northbound and southbound Brackley to Towcester.
Slip road, lay-by and lane closures due to maintenance works.
Diversion: Diversion via National Highways network.
❓ 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?
No full closures. The A43 stays open tonight (Tue 3 Nov, 18:00 to 06:00). 3 lane or slip road closures are planned: northbound Silverstone exit slip road closure, 20:00 to 06:00; and northbound Syersham entry slip road closure, 20:00 to 06:00 and 1 more.
Is the A43 closed this weekend?
No full closures. The A43 stays open this weekend (Fri 6 Nov 18:00 to Mon 9 Nov 06:00). 2 lane or slip road closures are planned: northbound Silverstone exit slip road closure, Fri 20:00 to 06:00; and northbound Silverstone entry slip road closure, Fri 20:00 to 06:00.
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.
UK Traffic Updates