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A420 roadworks

Live and upcoming roadworks, closures and disruption on the A420 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

A420 the Shoe To Road To North Wraxall

Wiltshire Council · Highway improvement works · 9 Nov 2026 → 20 Nov 2026
Medium
A420 Ford North C151 To the Street Castle Combe

Wiltshire Council · Remedial works · 4 Jan 2027 → 22 Jan 2027
High

Councils on the A420

Wiltshire 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