A21 roadworks

Live and upcoming roadworks, closures and disruption on the A21 across the UK, from Department for Transport Street Manager data. Updated 17 September 2026.

• A21 From J A28/A2100 To J B2244

  National Highways · 13 Sept 2026 → 25 Sept 2026
  Medium
• A21 J M25/A25 Leave S

  National Highways · 17 Sept 2026 → 19 Sept 2026
  Medium
• A21 J M25/A25 1st Leave N

  National Highways · 17 Sept 2026 → 19 Sept 2026
  High
• A21 1st Through J M25/A25 N

  National Highways · 17 Sept 2026 → 19 Sept 2026
  Medium
• A21 From J A225/B245 To J M25/A25 N

  National Highways · 17 Sept 2026 → 19 Sept 2026
  Medium
• A21 1st Through J M25/A25 N

  National Highways · 17 Sept 2026 → 19 Sept 2026
  Medium
• A21 J M25/A25 1st Leave N

  National Highways · 17 Sept 2026 → 19 Sept 2026
  High
• A21 From J A225/B245 To J M25/A25 N

  National Highways · 17 Sept 2026 → 19 Sept 2026
  Medium
• A21 From J A28/A2100 To J B2244

  National Highways · 21 Sept 2026 → 10 Oct 2026
  Medium
• A21 From J A28/A2100 To J B2244

  National Highways · 28 Sept 2026 → 17 Oct 2026
  Medium
• A21 From J A28/A2100 To J B2244

  National Highways · 12 Oct 2026 → 14 Oct 2026
  Medium
• A21 From J A2100 Roundabout To J A265 Including Roundabout

  National Highways · 28 Oct 2026 → 28 Oct 2026
  Minor
• A21 From J A28/A2100 To J B2244

  National Highways · 8 Mar 2027 → 27 Mar 2027
  Medium
• A21 From J A28/A2100 To J B2244

  National Highways · 8 Mar 2027 → 11 Mar 2027
  Medium
• A21 From J A28/A2100 To J B2244

  National Highways · 8 Mar 2027 → 27 Mar 2027
  Medium

Councils on the A21