A421 eastbound closed overnight for Black Cat works

a421 eastbound closure

National highways have advised that the A421 eastbound between Renhold to Black Cat roundabout will be closed overnight (8pm - 6am) from Monday 12th to Friday 23rd October 2026. During these closures they will be carrying out essential works to install CCTV bases alongside the A421 eastbound carriageway. 

Please follow the diversion route that will be in place via the A603 and A1 northbound.

Keep abreast of all road closures and diversions using the dedicated National Highways webpage at https://nationalhighways.co.uk/roads-and-travel/road-projects/a428-black-cat-to-caxton-gibbet/diversions-closures-and-speed-restrictions/

 

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