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Updated twice daily · National Highways

Overnight road closures

Planned full closures on England's motorways and major A roads. Most run 20:00–06:00.

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6 nights published — tap any night to see what is shut
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Full road closures only 3 of 7 Hide slip roads and laybys — show only what forces a change of route.

7 closures in the North East on the A1 · sat 5 sep · clear filters

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A roads
A17A1(M)8A661
A1 Wyboston to Black Cat Roundabout SB Full carriageway Overnight not on map 21:00 – 05:00 tap for detail

The A1 southbound carriageway is closed from 21:00 until 05:00 sat 5 sep — about 56 hours.
You will need another route — the main carriageway is shut.

Also closed on

Tomorrow Sat 5 Sep Sun 6 Sep

RoadA1
DirectionSouthbound
Closed21:00 – 05:00
What's shutFull carriageway
RegionEast of England

Exactly where

A1 southbound Wyboston to Black Cat Roundabout carriageway closure

Why the road is closed

A1 / A421 both directions Biggleswade to St Neots - carriageway closures, lane closures, narrow lanes, permanent layby closures and

Diversion route

diversion routes for construction - bypass/new on behalf of National Highways

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 →
A1 Black Cat Roundabout to Tempsford SB Full carriageway Overnight not on map 21:00 – 05:00 tap for detail

The A1 southbound carriageway is closed from 21:00 until 05:00 sat 5 sep — about 56 hours.
You will need another route — the main carriageway is shut.

Also closed on

Tomorrow Sat 5 Sep Sun 6 Sep

RoadA1
DirectionSouthbound
Closed21:00 – 05:00
What's shutFull carriageway
RegionEast of England

Exactly where

A1 southbound Black Cat Roundabout to Tempsford carriageway closure

Why the road is closed

A1 / A421 both directions Biggleswade to St Neots - carriageway closures, lane closures, narrow lanes, permanent layby closures and

Diversion route

diversion routes for construction - bypass/new on behalf of National Highways

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 →
A1 Tempsford to Black Cat Roundabout NB Full carriageway Overnight not on map 21:00 – 05:00 tap for detail

The A1 northbound carriageway is closed from 21:00 until 05:00 sat 5 sep — about 56 hours.
You will need another route — the main carriageway is shut.

Also closed on

Tomorrow Sat 5 Sep Sun 6 Sep

RoadA1
DirectionNorthbound
Closed21:00 – 05:00
What's shutFull carriageway
RegionEast of England

Exactly where

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

Why the road is closed

A1 / A421 both directions Biggleswade to St Neots - carriageway closures, lane closures, narrow lanes, permanent layby closures and

Diversion route

diversion routes for construction - bypass/new on behalf of National Highways

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 →
A1 Black Cat roundabout - North quadrant BOTH Roundabout Long-running scheme not on map 05:00 – 23:59 tap for detail

The A1 both directions roundabout is closed from 05:00 until 23:59 sat 5 sep — about 15859 hours.
Expect to be diverted around the junction.

Also closed on

Tonight Tomorrow Sat 5 Sep Sun 6 Sep Mon 7 Sep Tue 8 Sep

RoadA1
DirectionBoth directions
Closed05:00 – 23:59
What's shutRoundabout
RegionEast of England

Exactly where

A1 both directions Black Cat roundabout - North quadrant closure

Why the road is closed

A1 both directions Black Cat roundabout - North quadrant closure for bypass construction on behalf of National Highways

Diversion route

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

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 →
A1 Kettering exit slip road SB Exit slip only Overnight not on map 05:00 – 13:00 tap for detail

The A1 southbound exit slip road is closed from 05:00 until 13:00 sat 5 sep — about 8 hours.
The road stays open. You cannot come off here — carry on to the next junction.

Also closed on

Tomorrow Sat 5 Sep

RoadA1
DirectionSouthbound
Closed05:00 – 13:00
What's shutExit slip only
RegionEast Midlands

Exactly where

A1 southbound Kettering exit slip road closure

Why the road is closed

A1 southbound, Tickencote to Wothorpe. Slip road closure and temporary event signing for the Burghley House horse trials.

Diversion route

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.

All A1 closures More in East Midlands

🔔 Get told before this happens again Early Warning alerts you the moment the A1 closes or backs up — straight to your phone. Set up →
A1 Carpenters Lodge exit slip - road BOTH Exit slip only Overnight not on map 13:00 – 20:00 tap for detail

The A1 both directions exit slip road is closed from 13:00 until 20:00 sat 5 sep — about 7 hours.
The road stays open. You cannot come off here — carry on to the next junction.

Also closed on

Tonight Tomorrow Sat 5 Sep Sun 6 Sep

RoadA1
DirectionBoth directions
Closed13:00 – 20:00
What's shutExit slip only
RegionEast of England

Exactly where

A1 both directions Carpenters Lodge exit slip - road closure

Why the road is closed

A1 both directions Carpenters Lodge exit slip - road closure for Burghley Horse Trials on behalf of Chevron

Diversion route

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.

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 →
A1 Jct 79 northbound entry slip road NB Entry slip only Overnight not on map 08:00 – 18:00 tap for detail

The A1 northbound entry slip road is closed from 08:00 until 18:00 sat 5 sep — about 10 hours.
The road stays open. You cannot join here — use the next junction.

Also closed on

Sat 5 Sep Sun 6 Sep

RoadA1
DirectionNorthbound
Closed08:00 – 18:00
What's shutEntry slip only
RegionEast of England

Exactly where

A1 Jct 79 northbound entry slip road closure

Why the road is closed

A1 northbound and southbound Jct 79 Entry slip road closure for SU works

Diversion route

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.

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 →
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