M25 Planned Roadworks: Closure & Delays at M25 J20 anti-clockwise access

Carriageway closures

M25 Anti-Clockwise Jct 20 Entry Slip Road Closure

Road Network: M25 (Anticlockwise)

Affected Sectors:

  • Sector 1: M25 J20 anti-clockwise access

Status & Certainty: Scheduled Maintenance (Probable)

Restrictions: Mandatory compliance required.

Carriageway & Lane Capacity

  • Total Closed Lanes: 2
  • Lanes Remaining Open: 0

Schedule Window

  • Scheduled Start: 21/07/2026 at 22:00
  • Estimated Completion: 22/07/2026 at 05:30
  • Schedule data last synced/updated by National Highways on: 19/07/2026 at 00:38
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