Carriageway closures
A1 northbound Tempsford to Black Cat Roundabout carriageway closure
Road Network: A1 (North bound)
Affected Sectors:
- Sector 1: A1 northbound at a minor junction between A603 and A421
Status & Certainty: Scheduled Maintenance (Probable)
Restrictions: Mandatory compliance required.
Carriageway & Lane Capacity
- Total Closed Lanes: 1
- Lanes Remaining Open: 0
Schedule Window
- Scheduled Start: 07/10/2026 at 21:00
- Estimated Completion: 08/10/2026 at 05:00
- Schedule data last synced/updated by National Highways on: 01/10/2026 at 00:36

