Expect some severe delays on the A421 & A1, Bedford drivers are warned

And two of them are expected to cause major delays – with motorists facing waits of at least 30 minutes. Another three will cause moderate delays of between 10 minutes and half an hour.

The latest expected works list, with notes from National Highways, shows that three closures already in place are expected to carry on this week:

• A421, from 8pm to 6am until October 25, slight delays (under 10 minutes): A421 westbound, Marsh Leys, junction to Marston Moretaine – carriageway closure, lane closures and diversion routes due to barriers/permanent works on behalf of National Highways

• A1, from midnight to 11.59pm until March 31, 2027, slight delays (under 10 minutes): A1/A421 both directions, all approaches to Black Cat roundabout – narrow lanes for bypass construction on behalf of National Highways

• A1, from 5am to 11.59pm until April 30, 2027, severe delays (more than 30 minutes): A1 both directions, Black Cat roundabout – north quadrant closure for bypass construction on behalf of National Highways

And a further seven closures will begin over the next two weeks:

• A45, from 8am today (Monday) to 3pm tomorrow (Tuesday), slight delays (under 10 minutes): A45 northbound, Raunds to Thrapston – layby closure for maintenance works

• A1, from 9pm today (Monday) to 5am Wednesday (July 16), moderate delays (10-30 minutes): A1 northbound, Wyboston to Little Paxton - carriageway closure for carriageway - reconstruction/renewal on behalf of National Highways

• A1, from 9pm today (Monday) to 5am July 19, severe delays (more than 30 minutes): A1 southbound, Sandy to Biggleswade North roundabout – carriageway closure for carriageway/reconstruction renewal on behalf of National Highways

• A1, from 9pm Wednesday (July 16) to 5am July 19, moderate delays (10-30 minutes): A1 northbound, Little Paxton to Buckden – carriageway closure for carriageway/reconstruction renewal on behalf of National Highways

• A1, from 9pm July 17 to 5am July 25, slight delays (under 10 minutes): A1 both directions, Baldock to Alconbury – lane closures for horticulture on behalf of National Highways

• A1, from 9pm July 21 to 5am July 26, moderate delays (10-30 minutes): A1 northbound, Hinxworth to Sandy – carriageway closure for horticulture on behalf of National Highways

• A1, from 9pm July 24 to 5am July 25, slight delays (under 10 minutes): A421/A1 both directions, A421 Cardington to Black Cat roundabout A1 Wyboston to Sandy roundabout – diversion route on behalf of Quinn Groundworks

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