A3 roadworks

Live and upcoming roadworks, closures and disruption on the A3 across the UK, from Department for Transport Street Manager data. Updated 18 September 2026.

• A3 J A320 Leave S

  National Highways · 30 Sept 2026 → 1 Oct 2026
  Medium
• A3 J A31 Join N

  National Highways · 5 Oct 2026 → 6 Oct 2026
  High
• A3 From Junction With A309 South Of Long Ditton To J A244 S

  National Highways · 6 Oct 2026 → 13 Oct 2026
  Medium
• A3 From J A244 To Junction With A309 South Of Long Ditton N

  National Highways · 6 Oct 2026 → 13 Oct 2026
  Medium
• A3 From End Of Slip On At Hazel Grove To Surrey Hampshire County Bdy S

  National Highways · 19 Oct 2026 → 23 Oct 2026
  Minor
• A3 J A320 Leave S

  National Highways · 2 Nov 2026 → 3 Nov 2026
  Medium
• A3m J3 Leave S

  National Highways · 4 Nov 2026 → 4 Nov 2026
  Medium
• A3m J3 Leave S

  National Highways · 4 Nov 2026 → 4 Nov 2026
  Medium
• A3 From Junction With A309 South Of Long Ditton To J A244 S

  National Highways · 22 Mar 2027 → 25 Mar 2027
  Minor

Councils on the A3