National Highways have announced that the following roads will be closed from 9pm Friday 4th to 5am Monday 7th September 2026 for the installation of a new road layout at Black Cat junction.
The closures are:
- A1 northbound between Tempsford and Black Cat
- A1 southbound between Wyboston and Tempsford
- A421 westbound between Black Cat and Renhold Interchange
- Bedford Road between the Roxton Road turn-off and Black Cat.
Please use the diversions that will be signposted and keep an eye on updates at the dedicated web page https://nationalhighways.co.uk/roads-and-travel/road-projects/a428-black-cat-to-caxton-gibbet/diversions-closures-and-speed-restrictions/

