Moderate
Both directions 🛑 now
A1 both directions Black Cat roundabout - North quadrant closure
Overall Scheme Details: A1 both directions
Black Cat roundabout - North quadrant closure for bypass construction on behalf of National Highways
✅ until 23:59 Fri 30 Apr
Severe
Northbound Starting soon
The A1 northbound between junctions with the A151 and A607
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 24 October 2026
Severe
Northbound Starting soon
The A1 northbound entry slip from the A52
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 22 October 2026
Severe
Southbound Starting soon
The A1 southbound entry slip from the A52
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 18 October 2026
Severe
Starting soon
From 20:00 on 23 October 2026 to 06:00 on 24 October 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 24 October 2026
Severe
Starting soon
From 20:00 on 22 October 2026 to 06:00 on 23 October 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 23 October 2026
Severe
Northbound Starting soon
The A1 northbound entry slip from the A607
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 16 October 2026
Severe
Starting soon
From 20:00 on 15 October 2026 to 06:00 on 16 October 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 16 October 2026
Severe
Starting soon
From 20:00 on 21 October 2026 to 06:00 on 22 October 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 22 October 2026
Severe
Starting soon
From 20:00 on 20 October 2026 to 06:00 on 21 October 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 21 October 2026
Severe
Northbound Starting soon
The A1 northbound between junctions with the A52 and A46
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 20 October 2026
Severe
Starting soon
From 20:00 on 16 October 2026 to 06:00 on 17 October 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 17 October 2026
Severe
Starting soon
From 20:00 on 19 October 2026 to 06:00 on 20 October 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 20 October 2026
Severe
Northbound Starting soon
The A1 northbound between junctions with the A607 and A46
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 16 October 2026
Severe
Southbound Starting soon
The A1 southbound between junctions with the A47 and A43
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 16 October 2026
Severe
Northbound Starting soon
The A1 northbound between junctions with the A47 and A43
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 24 October 2026
Severe
Northbound Starting soon
The A1 northbound between junctions with the A6118 and A47
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 20 October 2026
Severe
Northbound Starting soon
The A1 northbound between junctions with the A605 and A6118
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear between 05:00 and 05:00 on 21 October 2026
Severe
Southbound Starting soon
The A1 southbound between junctions with the A47 and A605
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear between 05:00 and 05:00 on 21 October 2026
Severe
Southbound Starting soon
The A1 southbound at the junction with the A47
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear between 05:00 and 05:00 on 23 October 2026
Severe
Northbound Starting soon 🌙 tonight
A1 northbound Wansford to Wothorpe carriageway closure
Overall Scheme Details: A1 northbound
Wansford to Wothorpe - carriageway closure, lane closure, speed restrictions and
Diversion: diversion route for carriageway - reconstruction/renewal on behalf of National Highways
✅ until 06:00 Fri 16 Oct
Severe
Northbound Starting soon 🌙 tonight
A1 northbound Harlaxton to Barrowby carriageway closure
Overall Scheme Details: A1 northbound Stamford to Barrowby
Carriageway, slip road and lane closure, plus 24/7 layby closures. due to maintenance works
Diversion: Diversion via National Highways network and local authority network
✅ until 06:00 Fri 16 Oct
Moderate
Northbound Starting soon
The A1 northbound exit slip to the A52
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 16 October 2026
Moderate
Northbound Starting soon
The A1 northbound entry slip from the A47
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 17 October 2026
Moderate
Starting soon
From 20:00 on 27 October 2026 to 06:00 on 28 October 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 28 October 2026
Moderate
Starting soon
From 20:00 on 28 October 2026 to 06:00 on 29 October 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 29 October 2026
Moderate
Starting soon
From 20:00 on 26 October 2026 to 06:00 on 27 October 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 27 October 2026
Moderate
Northbound Starting soon 🌙 tonight
A1 northbound Barrowby exit slip road closure
Overall Scheme Details: A1 northbound Stamford to Barrowby
Carriageway, slip road and lane closure, plus 24/7 layby closures. due to maintenance works
Diversion: Diversion via National Highways network and local authority network
✅ until 06:00 Fri 16 Oct
Moderate
Northbound Starting soon 🌙 tonight
A1 northbound Harlaxton entry slip road closure
Overall Scheme Details: A1 northbound Stamford to Barrowby
Carriageway, slip road and lane closure, plus 24/7 layby closures. due to maintenance works
Diversion: Diversion via National Highways network and local authority network
✅ until 06:00 Fri 16 Oct
Moderate
Northbound Starting soon 🌙 tonight
A1 Stannington south northbound exit slip road closure (2)
Overall Scheme Details: A1 northbound and southbound Seaton Burn to Morpeth
Carriageway closure with 24hr layby closures for carriageway resurfacing
✅ until 06:00 Fri 16 Oct
Moderate
Northbound Starting soon 🌙 tonight
A1 Blagdon northbound entry slip road closure (2)
Overall Scheme Details: A1 northbound and southbound Seaton Burn to Morpeth
Carriageway closure with 24hr layby closures for carriageway resurfacing
✅ until 06:00 Fri 16 Oct
Moderate
Northbound Starting soon 🌙 tonight
A1 Seaton Burn northbound entry slip road closure (1+2)
Overall Scheme Details: A1 northbound and southbound Seaton Burn to Morpeth
Carriageway closure with 24hr layby closures for carriageway resurfacing
✅ until 06:00 Fri 16 Oct
Moderate
Northbound Starting soon 🌙 tonight
A1 Stannington northbound exit slip road closure (2)
Overall Scheme Details: A1 northbound and southbound Seaton Burn to Morpeth
Carriageway closure with 24hr layby closures for carriageway resurfacing
✅ until 06:00 Fri 16 Oct
Moderate
Northbound Starting soon 🌙 tonight
A1 Jct 67 northbound entry slip road closure
Overall Scheme Details: A1 northbound and southbound Jct 65 to Jct 68
Carriageway closure for horticulture works
✅ until 06:00 Fri 16 Oct
Moderate
Northbound Starting soon 🌙 tonight
A1 Jct 66 northbound entry slip road closure
Overall Scheme Details: A1 northbound and southbound Jct 65 to Jct 68
Carriageway closure for horticulture works
✅ until 06:00 Fri 16 Oct
Moderate
Southbound Starting soon 🌙 tonight
A1 Jct 73 southbound entry slip road closure
Overall Scheme Details: A1 northbound and southbound Jct 71 to Jct 73
Slip road closures for electrical works
✅ until 06:00 Fri 16 Oct
Moderate
Northbound Starting soon 🌙 tonight
A1 northbound Brampton Hut exit slip road closure
Overall Scheme Details: A1 both directions
Brampton to Alconbury - carriageway closure and
Diversion: diversion route for drainage on behalf of National Highways
✅ until 05:00 Fri 16 Oct
Moderate
Southbound Starting soon 🌙 tonight
A1 southbound Tempsford exit slip road closure
Overall Scheme Details: A1 both directions
Alconbury to Baldock - exit and entry slip road closures, and
Diversion: diversion routes for horticulture (cutting and planting) on behalf of National Highways
✅ until 05:00 Fri 16 Oct
Moderate
Southbound Starting soon 🌙 tonight
A1 southbound Hail Weston entry slip road closure
Overall Scheme Details: A1 both directions
Alconbury to Baldock - exit and entry slip road closures, and
Diversion: diversion routes for horticulture (cutting and planting) on behalf of National Highways
✅ until 05:00 Fri 16 Oct
Moderate
Northbound Starting soon 🌙 tonight
A1 northbound Hail Weston exit slip road closure
Overall Scheme Details: A1 both directions
Alconbury to Baldock - exit and entry slip road closures, and
Diversion: diversion routes for horticulture (cutting and planting) on behalf of National Highways
✅ until 05:00 Fri 16 Oct
Moderate
Northbound Starting soon 🌙 tomorrow night
A1 Jct 73 northbound exit slip road closure
Overall Scheme Details: A1 northbound and southbound Jct 71 to Jct 73
Slip road closures for electrical works
✅ until 06:00 Sat 17 Oct
Moderate
Southbound Starting soon 🌙 tomorrow night
A1 southbound Tempsford entry slip road closure
Overall Scheme Details: A1 both directions
Alconbury to Baldock - exit and entry slip road closures, and
Diversion: diversion routes for horticulture (cutting and planting) on behalf of National Highways
✅ until 05:00 Sat 17 Oct
Minor
Starting soon
A 50mph speed limit will be in operation
🔨 Roadworks
✅ The event is expected to clear between 20:00 and 20:00 on 15 October 2026
Minor
Northbound Starting soon
The A1 northbound between junctions with the A6118 and A43
🔨 Roadworks
✅ The event is expected to clear between 20:00 and 20:00 on 19 October 2026
❓ A1 roadworks — Frequently Asked Questions
Are there roadworks on the A1 right now?
Yes — National Highways is reporting 1 set of roadworks running on the A1.
Is the A1 closed tonight?
43 closures are scheduled on the A1 in the next 72 hours. Each one is listed above with its window and diversion.
When are A1 roadworks usually carried out?
Most National Highways lane closures on the A1 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 ·
A1 live traffic
Roadworks change at short notice. Always follow signs and signals on the road.