A3078 roadworks

Live and upcoming roadworks, closures and disruption on the A3078 across the UK, from Department for Transport Street Manager data. Updated 17 September 2026.

• A3078 Between Denas Water And Tregony Hill

  Cornwall Council · 21 Feb 2026 → 15 Oct 2026
  High
• A3078 Between Treworran Garage And Junction South Of Elmsdale

  Cornwall Council · 21 Sept 2026 → 23 Sept 2026
  Medium
• A3078 Between Treworran Garage And Junction South Of Elmsdale

  Cornwall Council · 13 Nov 2026 → 16 Nov 2026
  High
• A3078 Between Chy Mor And Trethem Mill

  Cornwall Council · 18 Nov 2026 → 18 Nov 2026
  High
• A3078 Between Chy Mor And Trethem Mill

  Cornwall Council · 18 Nov 2026 → 18 Nov 2026
  High
• A3078 Between Chy Mor And Trethem Mill

  Cornwall Council · 18 Nov 2026 → 19 Nov 2026
  High
• A3078 Between Denas Water And Tregony Hill

  Cornwall Council · 20 Nov 2026 → 20 Nov 2026
  High
• A3078 Between Denas Water And Tregony Hill

  Cornwall Council · 20 Nov 2026 → 20 Nov 2026
  High
• A3078 Between Mill Hill And Highfield House

  Cornwall Council · 24 Nov 2026 → 25 Nov 2026
  High
• A3078 Between Denas Water And Tregony Hill

  Cornwall Council · 7 Dec 2026 → 8 Dec 2026
  High
• A3078 Between Denas Water And Tregony Hill

  Cornwall Council · 7 Dec 2026 → 8 Dec 2026
  High

Councils on the A3078