Carriageway closures
A1 northbound Black Cat Roundabout to Wyboston carriageway closure
Road Network: A1 (North bound)
Affected Sectors:
- Sector 1: A1 northbound between A421 and A428
Status & Certainty: Scheduled Maintenance (Probable)
Restrictions: Mandatory compliance required.
Carriageway & Lane Capacity
- Total Closed Lanes: 2
- Lanes Remaining Open: 0
Schedule Window
- Scheduled Start: 16/09/2026 at 21:00
- Estimated Completion: 17/09/2026 at 05:00
- Schedule data last synced/updated by National Highways on: 10/09/2026 at 11:39

