A1 Northbound and A421 East overnight closures

📅 Dates

Monday 23 February – Saturday 28 February

🕘 Times

9:00pm – 5:00am (overnight only)

🚧 Closures in Place

• A1 Northbound – Closed between Tempsford and Wyboston

• A421 Eastbound – Closed between Renhold and Black Cat

Closures are in place overnight to allow essential works to continue safely.

🔁 Diversion Routes

A1 Northbound Diversion

• Exit at Tempsford onto St Neots Road

• Follow the A428 towards Wyboston

• Rejoin the A1 at Wyboston Interchange

A421 Eastbound Diversion

• Exit at Cardington Interchange

• Follow the A603 towards Sandy

• Join the A1 Northbound