Other
M4 Westbound Jct 4B Exit Slip Road Lane 1 closure
Road Network: M4 (West bound)
Affected Sectors:
- Sector 1: link road from M4 J4B westbound to M25 J15
Status & Certainty: Scheduled Maintenance (Probable)
Restrictions: Mandatory compliance required.
Carriageway & Lane Capacity
- Total Closed Lanes: 1
- Lanes Remaining Open: 2
Schedule Window
- Scheduled Start: 20/11/2026 at 23:00
- Estimated Completion: 21/11/2026 at 06:00
- Schedule data last synced/updated by National Highways on: 14/11/2026 at 23:29