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Planned full closures on England's motorways and major A roads. Most run 20:00–06:00.
6 closures across England on the A1 · sun 6 sep · clear filters
The A1 southbound carriageway is closed
from 21:00 until 05:00 sun 6 sep — 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
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🔔 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 sun 6 sep — 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 sun 6 sep — 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 sun 6 sep — about 15859 hours.
Expect to be diverted around the junction.
Tonight Tomorrow Sat 5 Sep Sun 6 Sep Mon 7 Sep Tue 8 Sep
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 →
The A1 northbound entry slip road is closed
from 08:00 until 18:00 sun 6 sep — about 10 hours.
The road stays open. You cannot join here — use the next junction.
A1 Jct 79 northbound entry slip road closure
A1 northbound and southbound Jct 79 Entry slip road closure for SU works
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.
💬 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 exit slip road is closed
from 13:00 until 20:00 sun 6 sep — about 7 hours.
The road stays open. You cannot come off here — carry on to the next junction.
Tonight Tomorrow Sat 5 Sep Sun 6 Sep
A1 both directions Carpenters Lodge exit slip - road closure
A1 both directions Carpenters Lodge exit slip - road closure for Burghley Horse Trials on behalf of Chevron
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.
💬 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 →