M3 roadworks

Live and upcoming roadworks, closures and disruption on the M3 across the UK, from Department for Transport Street Manager data. Updated 9 June 2026.

• M3 From J4 To J3 Ne

  National Highways · 2026-06-18 → 2026-06-19
  High
• M3 J3 Leave Sw

  National Highways · 2026-07-13 → 2026-07-15
  Medium
• M3 J3 Leave Ne

  National Highways · 2026-07-13 → 2026-07-15
  Medium
• M3 J4 Leave Sw

  National Highways · 2026-07-15 → 2026-07-16
  Medium
• M3 J4 Leave Ne

  National Highways · 2026-07-16 → 2026-07-17
  Medium
• M3 J4 Leave Sw

  National Highways · 2026-07-16 → 2026-07-17
  Medium
• M3 J3 Leave Ne

  National Highways · 2026-08-04 → 2026-08-06
  Medium
• M3 J3 Leave Sw

  National Highways · 2026-08-04 → 2026-08-06
  Medium
• M3 J4 Leave Sw

  National Highways · 2026-08-07 → 2026-08-08
  Medium
• M3 J4 Leave Sw

  National Highways · 2026-08-11 → 2026-08-12
  Medium
• M3 J4 Leave Ne

  National Highways · 2026-08-11 → 2026-08-12
  Medium
• M3 J13 Join Ne

  National Highways · 2026-08-11T19:00:00.000Z → 2026-08-13T23:00:00.000Z
  Medium
• M3 J13 Leave Ne

  National Highways · 2026-08-11T19:00:00.000Z → 2026-08-13T23:00:00.000Z
  High
• M3 J13 Leave Ne

  National Highways · 2026-08-19 → 2026-08-20
  Medium
• M3 J3 Leave Sw

  National Highways · 2026-09-29 → 2026-10-02
  Medium
• M3 J3 Leave Ne

  National Highways · 2026-09-29 → 2026-10-02
  Medium

Councils on the M3