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Planned full closures on England's motorways and major A roads. Most run 20:00–06:00.
4 closures in the North East on the A1 · tonight · clear filters
The A1 southbound carriageway is closed
from 21:00 until 05:00 tonight — about 56 hours.
You will need another route — the main carriageway is shut.
A1 southbound Wyboston to Black Cat Roundabout carriageway closure
A1 / A421 both directions Biggleswade to St Neots - carriageway closures, lane closures, narrow lanes, permanent layby closures and
diversion routes for construction - bypass/new on behalf of National Highways
💬 Share on WhatsApp All A1 closures More in East of England
🔔 Get told before this happens again Early Warning alerts you the moment the A1 closes or backs up — straight to your phone. Set up →
The A1 southbound carriageway is closed
from 21:00 until 05:00 tonight — about 56 hours.
You will need another route — the main carriageway is shut.
A1 southbound Black Cat Roundabout to Tempsford carriageway closure
A1 / A421 both directions Biggleswade to St Neots - carriageway closures, lane closures, narrow lanes, permanent layby closures and
diversion routes for construction - bypass/new on behalf of National Highways
💬 Share on WhatsApp All A1 closures More in East of England
🔔 Get told before this happens again Early Warning alerts you the moment the A1 closes or backs up — straight to your phone. Set up →
The A1 northbound carriageway is closed
from 21:00 until 05:00 tonight — about 56 hours.
You will need another route — the main carriageway is shut.
A1 northbound Tempsford to Black Cat Roundabout carriageway closure
A1 / A421 both directions Biggleswade to St Neots - carriageway closures, lane closures, narrow lanes, permanent layby closures and
diversion routes for construction - bypass/new on behalf of National Highways
💬 Share on WhatsApp All A1 closures More in East of England
🔔 Get told before this happens again Early Warning alerts you the moment the A1 closes or backs up — straight to your phone. Set up →
The A1 both directions roundabout is closed
from 05:00 until 23:59 tonight — about 15859 hours.
Expect to be diverted around the junction.
Tonight Tomorrow Tue 25 Aug Wed 26 Aug Thu 27 Aug
A1 both directions Black Cat roundabout - North quadrant closure
A1 both directions Black Cat roundabout - North quadrant closure for bypass construction on behalf of National Highways
National Highways have not published a diversion for this closure. Follow the signs on the road — and if you are driving an HGV, check the route suits your height and weight before committing to it.
Part of a scheme running until 30 Apr 2027
💬 Share on WhatsApp All A1 closures More in East of England
🔔 Get told before this happens again Early Warning alerts you the moment the A1 closes or backs up — straight to your phone. Set up →