A428 Black Cat to Caxton Gibbet – Black Cat Roundabout - 1 July 2026

This update shows the latest construction activity at Black Cat Roundabout. The wider A428 Black Cat to Caxton Gibbet project, led by National Highways, includes: • A new dual carriageway between the Black Cat junction (A1/A421) and Caxton Gibbet • A fully redesigned Black Cat junction • A new bridge at Caxton Gibbet • Earthworks, embankments and environmental landscaping If you're following progress on the A428, Black Cat roundabout, or Caxton Gibbet roadworks, subscribe for regular construction updates. #A428 #BlackCat #CaxtonGibbet #Roadworks #NationalHighways #Infrastructure #Cambridgeshire