A421 road closures & live traffic incidents

No live incident closures on the A421 right now, but 2 roadworks are currently in force.

Live A421 updates from National Highways and Traffic Wales: incident closures, roadworks in force, planned closures for the week ahead and recently cleared disruption.

Live incident

Active roadworks

Planned

Cleared

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A421 roadworks in force now

A421 eastbound Water End Interchange to Black Cat Roundabout carriageway closure

Planned Roadworks National Highways

Bedford A421 · A421 Northbound Between A4280 And A1

Expected to clear in 7 hours 13 seconds

Started 12 Oct 2026, 19:00 Expected clear 13 Oct 2026, 05:00

A421 eastbound Water End Interchange to Black Cat Roundabout carriageway closure

Category: Construction Work

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A421 eastbound Renhold to Black Cat roundabout (MP 27/0 - 27/5)- lane 2 closure

Planned Roadworks National Highways

Bedford A421 · A421 Northbound Between A4280 And A1

Expected to clear in 5 months 2 weeks

Started 18 Aug 2025, 04:00 Expected clear 31 Mar 2027, 22:59

A421 eastbound Renhold to Black Cat roundabout (MP 27/0 - 27/5)- lane 2 closure

Category: Construction Work

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Recently cleared on the A421

All live closures A421 closure history