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A3078 roadworks

Live and upcoming roadworks, closures and disruption on the A3078 across the UK, from official roadworks permit data (DfT Street Manager and National Highways in England, the Scottish Road Works Register in Scotland, TrafficwatchNI in Northern Ireland). Updated 2 November 2026.

Active / upcoming

Authorities

High impact

A3078 Between Denas Water and Tregony Hill

Cornwall Council · Highway repair and maintenance works · 21 Feb 2026 → 15 Apr 2027
High
A3078 Between Junction South of Treluggan and Treworran Garage

Cornwall Council · Utility asset works · 10 Nov 2026 → 11 Nov 2026
Medium
A3078 Between Chy Mor and Trethem Mill

Cornwall Council · Utility asset works · 18 Nov 2026 → 18 Nov 2026
High
A3078 Between Denas Water and Tregony Hill

Cornwall Council · Utility asset works · 7 Dec 2026 → 8 Dec 2026
High

Councils on the A3078

Cornwall Council›

Data: DfT Street Manager, the Scottish Road Works Register, TrafficwatchNI (DfI) and National Highways (Powered by National Highways’ Transport Data Feeds), refreshed every 6 hours. Open the live map · All councils · Worst roads · Home