A414 roadworks

Live and upcoming roadworks, closures and disruption on the A414 across the UK, from Department for Transport Street Manager data. Updated 3 August 2026.

• A414 Between Southern Town Boundary And Harlow Mill Roundabout

  Essex County Council · 27 Jul 2026 → 7 Aug 2026
  Minor
• A414 Between Southern Town Boundary And Harlow Mill Roundabout

  Essex County Council · 27 Jul 2026 → 7 Aug 2026
  Minor
• A414 Between Southern Town Boundary And Harlow Mill Roundabout

  Essex County Council · 27 Jul 2026 → 7 Aug 2026
  Minor
• A414 London Colney Longabout

  Hertfordshire County Council · 5 Aug 2026 → 7 Aug 2026
  Medium
• A414 Between Southern Town Boundary And Harlow Mill Roundabout

  Essex County Council · 7 Aug 2026 → 8 Aug 2026
  High
• A414 Between Southern Town Boundary And Harlow Mill Roundabout

  Essex County Council · 7 Aug 2026 → 8 Aug 2026
  High
• A414 London Colney Longabout

  Hertfordshire County Council · 25 Aug 2026 → 27 Aug 2026
  Medium
• A414 Between Southern Town Boundary And Harlow Mill Roundabout

  Essex County Council · 21 Sept 2026 → 26 Sept 2026
  High
• A414 Between Southern Town Boundary And Harlow Mill Roundabout

  Essex County Council · 24 Sept 2026 → 1 Oct 2026
  High
• A414 Between Southern Town Boundary And Harlow Mill Roundabout

  Essex County Council · 28 Sept 2026 → 2 Oct 2026
  Medium
• A414 Between Southern Town Boundary And Harlow Mill Roundabout

  Essex County Council · 1 Oct 2026 → 30 Sept 2028
  High
• A414 Comet Way Roundabout For A1(M)

  Hertfordshire County Council · 3 Oct 2026 → 5 Oct 2026
  Medium
• A414 Comet Way Roundabout For A1(M)

  Hertfordshire County Council · 10 Oct 2026 → 11 Oct 2026
  Medium
• A414 Comet Way Roundabout For A1(M)

  Hertfordshire County Council · 18 Oct 2026 → 19 Oct 2026
  Medium
• A414 Comet Way Roundabout For A1(M)

  Hertfordshire County Council · 20 Oct 2026 → 21 Oct 2026
  Minor
• A414 London Colney Longabout

  Hertfordshire County Council · 28 Oct 2026 → 30 Oct 2026
  Medium
• A414 Ware Road Pepper Hill Roundabout

  Hertfordshire County Council · 31 Oct 2026 → 2 Nov 2026
  Medium

Councils on the A414