A31 roadworks

Live and upcoming roadworks, closures and disruption on the A31 across the UK, from Department for Transport Street Manager data. Updated 3 August 2026.

• A31 From Start Of Dualling To J B3072 E

  National Highways · 21 Mar 2026 → 13 Sept 2026
  Medium
• A31 From Start Of Dualling To J B3072 E

  Scottish And Southern Power Distribution (Ssepd) · 21 Mar 2026 → 13 Sept 2026
  High
• A31 From J B3072 To Start Of Dualling W

  Scottish And Southern Power Distribution (Ssepd) · 22 Mar 2026 → 14 Sept 2026
  High
• A31 From J B3072 To Start Of Dualling W

  National Highways · 22 Mar 2026 → 14 Sept 2026
  Medium
• A31 J A350 Roundabout

  National Highways · 10 Aug 2026 → 22 Aug 2026
  Minor
• A31 From J B3075 West Of Sturminster Marshall To J A350

  National Highways · 30 Aug 2026 → 30 Aug 2026
  Medium
• A31 From J B3075 North Of Winterborne Zelston To J B3075 West Of Sturminster Marshall

  National Highways · 30 Aug 2026 → 30 Aug 2026
  Medium
• A31 J B3072 Join W

  National Highways · 31 Aug 2026 → 3 Sept 2026
  High
• A31 J B3072 Join W

  National Highways · 1 Sept 2026 → 3 Sept 2026
  High
• A31 J B3072 Join W

  National Highways · 7 Sept 2026 → 9 Sept 2026
  High
• A31 J A338 Leave W

  National Highways · 7 Sept 2026 → 11 Sept 2026
  Medium
• A31 From End Of Dual To Circuit Ameysford Rbt Including Rbt

  National Highways · 3 Oct 2026 → 11 Oct 2026
  High
• A31 From End Of Dual To Circuit Ameysford Rbt Including Rbt

  National Highways · 3 Oct 2026 → 11 Oct 2026
  High

Councils on the A31