M4 roadworks

Live and upcoming roadworks, closures and disruption on the M4 across the UK, from Department for Transport Street Manager data. Updated 3 August 2026.

• M4 From J5 To J6 W

  National Highways · 2 Aug 2026 → 7 Aug 2026
  High
• M4 J12 Leave W

  National Highways · 6 Aug 2026 → 7 Aug 2026
  Medium
• M4 J12 Leave W

  National Highways · 11 Aug 2026 → 16 Aug 2026
  Medium
• M4 From J5 To J6 W

  National Highways · 14 Aug 2026 → 15 Aug 2026
  Medium
• M4 From J6 To J5 E

  National Highways · 2 Sept 2026 → 5 Sept 2026
  Minor
• M4 J5 Join E

  National Highways · 2 Sept 2026 → 5 Sept 2026
  Minor
• M4 J5 Leave E

  National Highways · 2 Sept 2026 → 5 Sept 2026
  Minor
• M4 J13 Join E

  National Highways · 17 Sept 2026 → 18 Sept 2026
  High
• M4 J12 Join W

  National Highways · 17 Sept 2026 → 18 Sept 2026
  High
• M4 J10 Leave E

  National Highways · 18 Sept 2026 → 21 Sept 2026
  High
• M4 J11 Leave W

  National Highways · 18 Sept 2026 → 21 Sept 2026
  High
• M4 Through J11 E

  National Highways · 18 Sept 2026 → 21 Sept 2026
  High
• M4 Through J10 W

  National Highways · 18 Sept 2026 → 21 Sept 2026
  High
• M4 From J10 Leave E To A329m J10 Join N

  National Highways · 18 Sept 2026 → 21 Sept 2026
  High
• M4 J10 2nd Join W

  National Highways · 18 Sept 2026 → 21 Sept 2026
  High
• M4 J11 Join E

  National Highways · 18 Sept 2026 → 21 Sept 2026
  High
• M4 Through J11 W

  National Highways · 18 Sept 2026 → 21 Sept 2026
  High
• M4 Through J11 E

  National Highways · 18 Sept 2026 → 21 Sept 2026
  High
• M4 J10 1st Join W

  National Highways · 18 Sept 2026 → 21 Sept 2026
  High
• M4 J6 Leave W

  National Highways · 21 Oct 2026 → 23 Oct 2026
  Medium

Councils on the M4