Road closure archive

Search previously cleared incidents, planned works and cancelled closures. Use precise date ranges or focus on a particular corridor to understand how the network has been disrupted recently.

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651 archived incidents found

Filters applied: Road: A421 • Status: Cleared

A1 northbound Black Cat Roundabout to Wyboston carriageway closure

Cleared Roadworks National Highways
Bedford A1 · A1 Northbound Between A421 And A428

Cleared 7 months 2 weeks ago

Started 24 Feb 2026, 21:00 Ended 25 Feb 2026, 05:00

A1 northbound Black Cat Roundabout to Wyboston carriageway closure

Category: Construction Work
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Lane closure including roundabout northbound

Cleared Roadworks National Highways
Bicester A43 · A43 Northbound Between A421 And A422 Near Brackley (South)

Cleared 7 months 2 weeks ago

Started 23 Feb 2026, 20:00 Ended 24 Feb 2026, 06:00

Lane closure including roundabout northbound

Category: Road Maintenance
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A421 eastbound - Cardington Jct to Black Cat roundabout - carriageway closure and slip road closure

Cleared Roadworks National Highways
Bedford A421 · A421 Northbound Between A603 And A4280

Cleared 7 months 2 weeks ago

Started 23 Feb 2026, 21:00 Ended 24 Feb 2026, 05:00

A421 eastbound - Cardington Jct to Black Cat roundabout - carriageway closure and slip road closure

Category: Construction Work
View update

A1 northbound Sandy to Tempsford cover lane (MP 80/2 to 83/7)

Cleared Roadworks National Highways
Bedford A1 · A1 Northbound At A Minor Junction Between A603 And A421

Cleared 7 months 2 weeks ago

Started 22 Feb 2026, 21:00 Ended 23 Feb 2026, 05:00

A1 northbound Sandy to Tempsford cover lane (MP 80/2 to 83/7)

Category: Road Maintenance
View update

Lane closure including roundabout northbound

Cleared Roadworks National Highways
Bicester A43 · A43 Northbound Between A421 And A422 Near Brackley (South)

Cleared 7 months 3 weeks ago

Started 20 Feb 2026, 20:00 Ended 21 Feb 2026, 06:00

Lane closure including roundabout northbound

Category: Road Maintenance
View update

Lane closure including roundabout northbound

Cleared Roadworks National Highways
Bicester A43 · A43 Northbound Between A421 And A422 Near Brackley (South)

Cleared 7 months 3 weeks ago

Started 19 Feb 2026, 20:00 Ended 20 Feb 2026, 06:00

Lane closure including roundabout northbound

Category: Road Maintenance
View update

Lane closure including roundabout northbound

Cleared Roadworks National Highways
Bicester A43 · A43 Northbound Between A421 And A422 Near Brackley (South)

Cleared 7 months 3 weeks ago

Started 18 Feb 2026, 20:00 Ended 19 Feb 2026, 06:00

Lane closure including roundabout northbound

Category: Road Maintenance
View update

Lane closure including roundabout northbound

Cleared Roadworks National Highways
Bicester A43 · A43 Northbound Between A421 And A422 Near Brackley (South)

Cleared 7 months 3 weeks ago

Started 17 Feb 2026, 20:00 Ended 18 Feb 2026, 06:00

Lane closure including roundabout northbound

Category: Road Maintenance
View update

A421 eastbound A600 Interchange to Water End Interchange lane 2 closure (MP 15/4 to 20/0)

Cleared Roadworks National Highways
Bedford A421 · A421 Northbound Within The A603 Junction

Cleared 7 months 3 weeks ago

Started 17 Feb 2026, 21:00 Ended 18 Feb 2026, 05:00

A421 eastbound A600 Interchange to Water End Interchange lane 2 closure (MP 15/4 to 20/0)

Category: Road Maintenance
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A421 eastbound A600 Interchange to Water End Interchange lane 2 closure (MP 15/4 to 20/0)

Cleared Roadworks National Highways
Bedford A421 · A421 Northbound Within The A603 Junction

Cleared 7 months 3 weeks ago

Started 17 Feb 2026, 20:00 Ended 18 Feb 2026, 05:00

A421 eastbound A600 Interchange to Water End Interchange lane 2 closure (MP 15/4 to 20/0)

Category: Road Maintenance
View update

Lane closure including roundabout northbound

Cleared Roadworks National Highways
Bicester A43 · A43 Northbound Between A421 And A422 Near Brackley (South)

Cleared 7 months 3 weeks ago

Started 16 Feb 2026, 20:25 Ended 17 Feb 2026, 06:00

Lane closure including roundabout northbound

Category: Road Maintenance
View update

Lane closure including roundabout northbound

Cleared Roadworks National Highways
Bicester A43 · A43 Northbound Between A421 And A422 Near Brackley (South)

Cleared 7 months 3 weeks ago

Started 16 Feb 2026, 20:00 Ended 17 Feb 2026, 06:00

Lane closure including roundabout northbound

Category: Road Maintenance
View update

A421 eastbound Marsh Leys to A600 Interchange lane 2 closure (MP 11/3 to 16/0)

Cleared Roadworks National Highways
Bedford A421 · A421 Northbound Between A6 And A600

Cleared 7 months 3 weeks ago

Started 16 Feb 2026, 20:00 Ended 17 Feb 2026, 05:00

A421 eastbound Marsh Leys to A600 Interchange lane 2 closure (MP 11/3 to 16/0)

Category: Road Maintenance
View update

A5 both directions Redmoor roundabout exit slip roads - lane closure

Cleared Roadworks National Highways
Milton Keynes A5 · A5 Southbound Exit For A421

Cleared 8 months 1 day ago

Started 11 Feb 2026, 20:00 Ended 12 Feb 2026, 05:00

A5 both directions Redmoor roundabout exit slip roads - lane closure

Category: Authority Operation
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A5 both directions Redmoor roundabout exit slip roads - lane closure

Cleared Roadworks National Highways
Milton Keynes A5 · Roundabout At A5/A421

Cleared 8 months 1 day ago

Started 11 Feb 2026, 20:00 Ended 12 Feb 2026, 05:00

A5 both directions Redmoor roundabout exit slip roads - lane closure

Category: Authority Operation
View update

A5 both directions Redmoor roundabout exit slip roads - lane closure

Cleared Roadworks National Highways
Milton Keynes A5 · Roundabout At A5/A421

Cleared 8 months 2 days ago

Started 10 Feb 2026, 20:00 Ended 11 Feb 2026, 05:00

A5 both directions Redmoor roundabout exit slip roads - lane closure

Category: Authority Operation
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A5 both directions Redmoor roundabout exit slip roads - lane closure

Cleared Roadworks National Highways
Milton Keynes A5 · Roundabout At A5/A421

Cleared 8 months 3 days ago

Started 9 Feb 2026, 20:00 Ended 10 Feb 2026, 05:00

A5 both directions Redmoor roundabout exit slip roads - lane closure

Category: Authority Operation
View update

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

Cleared Roadworks National Highways
Bedford A1 · A1 Northbound Between A603 And A421

Cleared 8 months 4 days ago

Started 6 Feb 2026, 21:00 Ended 9 Feb 2026, 05:00

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

Category: Construction Work
View update

A421 eastbound Water End Interchange to Black Cat Roundabout carriageway closure

Cleared Roadworks National Highways
Bedford A421 · A421 Northbound Between A4280 And A1

Cleared 8 months 5 days ago

Started 6 Feb 2026, 19:46 Ended 7 Feb 2026, 06:00

A421 eastbound Water End Interchange to Black Cat Roundabout carriageway closure

Category: Construction Work
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A421 eastbound Water End Interchange to Black Cat Roundabout carriageway closure

Cleared Roadworks National Highways
Bedford A1 · Roundabout At A1/A421

Cleared 8 months 6 days ago

Started 5 Feb 2026, 20:00 Ended 6 Feb 2026, 06:00

A421 eastbound Water End Interchange to Black Cat Roundabout carriageway closure

Category: Construction Work
View update

M1 circulatory Jct 13 roundabout partial ring management

Cleared Roadworks National Highways
Aylesbury Vale A421 · Roundabout At M1 J13/A421 (Southern)

Cleared 8 months 1 week ago

Started 5 Feb 2026, 21:00 Ended 6 Feb 2026, 05:00

M1 circulatory Jct 13 roundabout partial ring management

Category: Road Maintenance
View update

A421 eastbound Water End Interchange to Black Cat Roundabout carriageway closure

Cleared Roadworks National Highways
Bedford A421 · A421 Northbound Between A4280 And A1

Cleared 8 months 1 week ago

Started 3 Feb 2026, 20:00 Ended 4 Feb 2026, 06:00

A421 eastbound Water End Interchange to Black Cat Roundabout carriageway closure

Category: Construction Work
View update

A421 eastbound Water End Interchange to Black Cat Roundabout carriageway closure

Cleared Roadworks National Highways
Bedford A421 · A421 Northbound Between A4280 And A1

Cleared 8 months 1 week ago

Started 2 Feb 2026, 20:00 Ended 3 Feb 2026, 06:00

A421 eastbound Water End Interchange to Black Cat Roundabout carriageway closure

Category: Construction Work
View update

A421 eastbound M1 Jct 13 to Marston Moretaine lane closure (MP 2/0)

Cleared Roadworks National Highways
Aylesbury Vale A421 · A421 Northbound Between M1 And A428

Cleared 8 months 1 week ago

Started 2 Feb 2026, 21:00 Ended 3 Feb 2026, 05:00

A421 eastbound M1 Jct 13 to Marston Moretaine lane closure (MP 2/0)

Category: Road Maintenance
View update

Lane closure northbound including roundabouts

Cleared Roadworks National Highways
Bicester A43 · A43 Northbound Between A421 And A422 Near Brackley (South)

Cleared 8 months 1 week ago

Started 30 Jan 2026, 20:00 Ended 31 Jan 2026, 06:00

Lane closure northbound including roundabouts

Category: Road Maintenance
View update

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