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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510 archived incidents found

Filters applied: Road: A421 • Status: Cleared

A5 both directions Redmoor roundabout exit slip roads - lane closure

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

Cleared 5 months 3 weeks 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
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A1 northbound Tempsford to Black Cat Roundabout carriageway closure

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

Cleared 5 months 3 weeks 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
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A421 eastbound Water End Interchange to Black Cat Roundabout carriageway closure

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

Cleared 5 months 3 weeks 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 5 months 3 weeks 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 5 months 3 weeks ago

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

M1 circulatory Jct 13 roundabout partial ring management

Category: Road Maintenance
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A421 eastbound Water End Interchange to Black Cat Roundabout carriageway closure

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

Cleared 5 months 3 weeks 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 5 months 4 weeks 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 5 months 4 weeks 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 6 months 11 hours ago

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

Lane closure northbound including roundabouts

Category: Road Maintenance
View update

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

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

Cleared 6 months 12 hours ago

Started 30 Jan 2026, 21:00 Ended 31 Jan 2026, 05:00

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

Category: Construction Work
View update

Lane closure northbound including roundabouts

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

Cleared 6 months 1 day ago

Started 29 Jan 2026, 20:00 Ended 30 Jan 2026, 06:00

Lane closure northbound including roundabouts

Category: Road Maintenance
View update

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

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

Cleared 6 months 1 day ago

Started 29 Jan 2026, 21:00 Ended 30 Jan 2026, 05:00

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

Category: Construction Work
View update

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

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

Cleared 6 months 2 days ago

Started 28 Jan 2026, 21:00 Ended 29 Jan 2026, 05:00

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

Category: Construction Work
View update

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

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

Cleared 6 months 3 days ago

Started 27 Jan 2026, 21:00 Ended 28 Jan 2026, 05:00

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

Category: Construction Work
View update

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

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

Cleared 6 months 4 days ago

Started 26 Jan 2026, 21:00 Ended 27 Jan 2026, 05:00

A1 northbound Tempsford to Black Cat Roundabout carriageway closure

Category: Construction Work
View update

Lane closure northbound including roundabouts

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

Cleared 6 months 1 week ago

Started 22 Jan 2026, 20:00 Ended 23 Jan 2026, 06:00

Lane closure northbound including roundabouts

Category: Road Maintenance
View update

Lay-by closure southbound

Cleared Roadworks National Highways
Bicester A43 · A43 Southbound Between A421 And B4100

Cleared 6 months 1 week ago

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

Lay-by closure southbound

Category: Road Maintenance
View update

Lay-by closure southbound

Cleared Roadworks National Highways
Bicester A43 · A43 Southbound Between A421 And B4100

Cleared 6 months 1 week ago

Started 20 Jan 2026, 13:00 Ended 21 Jan 2026, 06:00

Lay-by closure southbound

Category: Road Maintenance
View update

A421 eastbound Renhold to Black Cat Roundabout carriageway closure

Cleared Roadworks National Highways
Bedford A421 · A421 Northbound Within The A4280 Junction

Cleared 6 months 1 week ago

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

A421 eastbound Renhold to Black Cat Roundabout carriageway closure

Category: Road Maintenance
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A5 northbound Redmoor exit slip road closure

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

Cleared 6 months 2 weeks ago

Started 15 Jan 2026, 20:00 Ended 16 Jan 2026, 06:00

A5 northbound Redmoor exit slip road closure

Category: Road Maintenance
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A5 northbound Redmoor exit slip road closure

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

Cleared 6 months 2 weeks ago

Started 15 Jan 2026, 20:00 Ended 16 Jan 2026, 06:00

A5 northbound Redmoor exit slip road closure

Category: Road Maintenance
View update

A5 northbound Redmoor exit slip road closure

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

Cleared 6 months 2 weeks ago

Started 15 Jan 2026, 19:59 Ended 16 Jan 2026, 06:00

A5 northbound Redmoor exit slip road closure

Category: Road Maintenance
View update

Lane closure northbound

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

Cleared 6 months 2 weeks ago

Started 15 Jan 2026, 22:00 Ended 16 Jan 2026, 04:00

Lane closure northbound

Category: Authority Operation
View update

Lane closure northbound

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

Cleared 6 months 2 weeks ago

Started 14 Jan 2026, 22:00 Ended 15 Jan 2026, 04:00

Lane closure northbound

Category: Authority Operation
View update

A421 eastbound A600 Jct to Black Cat Roundabout carriageway closure

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

Cleared 6 months 2 weeks ago

Started 13 Jan 2026, 20:00 Ended 14 Jan 2026, 06:00

A421 eastbound A600 Jct to Black Cat Roundabout carriageway closure

Category: Road Maintenance
View update

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