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A4 roadworks

Live and upcoming roadworks, closures and disruption on the A4 across the UK, from Department for Transport Street Manager data. Updated 3 August 2026.

Active / upcoming

Authorities

High impact

A4 Bath Road And A340 Station Road Roundabout

West Berkshire Council · 20 Jul 2026 → 7 Aug 2026
Medium
A4 Bath Road And A340 Station Road Roundabout

West Berkshire Council · 20 Jul 2026 → 7 Aug 2026
Medium
A4 J M5/B4054 Roundabout Including Link Roads

National Highways · 27 Jul 2026 → 16 Oct 2026
Medium
A4 Forest Hill West To Junction With Amity Drive

Wiltshire Council · 3 Aug 2026 → 5 Aug 2026
Minor
A4 M4 Junction 5 Roundabout

Slough Borough Council · 9 Aug 2026 → 10 Aug 2026
Minor
A4 South East From Pewsham Roundabout To Junction With A342

Wiltshire Council · 10 Aug 2026 → 12 Aug 2026
High
A4 South East From Pewsham Roundabout To Junction With A342

Wiltshire Council · 10 Aug 2026 → 12 Aug 2026
High
A4 M4 Junction 5 Roundabout

Slough Borough Council · 10 Aug 2026 → 2 Sept 2026
Medium
A4 M4 Junction 5 Roundabout

Slough Borough Council · 10 Aug 2026 → 22 Aug 2026
Medium
A4 Bath Road And M4 Junction 12 Roundabout

West Berkshire Council · 11 Aug 2026 → 16 Aug 2026
Medium
A4 M4 Junction 5 Roundabout

Slough Borough Council · 13 Aug 2026 → 15 Aug 2026
High
A4 M4 Junction 5 Roundabout

Slough Borough Council · 13 Aug 2026 → 15 Aug 2026
High
A4 M4 Junction 5 Roundabout

Slough Borough Council · 16 Aug 2026 → 17 Aug 2026
Minor
A4 South East From Pewsham Roundabout To Junction With A342

Wiltshire Council · 20 Aug 2026 → 22 Aug 2026
High
A4 M4 Junction 5 Roundabout

Slough Borough Council · 24 Aug 2026 → 2 Sept 2026
Medium
A4 South East From Pewsham Roundabout To Junction With A342

Wiltshire Council · 25 Aug 2026 → 27 Aug 2026
High
A4 J A46 Join E

National Highways · 25 Aug 2026 → 26 Aug 2026
Medium
A4 M4 Junction 5 Roundabout

Slough Borough Council · 2 Sept 2026 → 5 Sept 2026
Minor
A4 M4 Junction 5 Roundabout

Slough Borough Council · 4 Sept 2026 → 5 Sept 2026
Minor
A4 M4 Junction 5 Roundabout

Slough Borough Council · 6 Sept 2026 → 7 Sept 2026
Minor
A4 M4 Junction 5 Roundabout

Slough Borough Council · 12 Sept 2026 → 13 Sept 2026
Minor
A4 South East From Pewsham Roundabout To Junction With A342

Wiltshire Council · 14 Sept 2026 → 19 Sept 2026
High
A4 M4 Junction 5 Roundabout

Slough Borough Council · 19 Sept 2026 → 20 Sept 2026
Minor
A4 M4 Junction 5 Roundabout

Slough Borough Council · 20 Sept 2026 → 21 Sept 2026
Minor
A4 M4 Junction 5 Roundabout

Slough Borough Council · 28 Sept 2026 → 3 Oct 2026
Minor

Showing 25 of 57 live works on the A4. Full live feed, history, exports and API for businesses — talk to us. Drivers: free on the live map.

Councils on the A4

West Berkshire Council›National Highways›Wiltshire Council›Slough Borough Council›

Data: DfT Street Manager, refreshed every 6 hours. Open the live map · All councils · Worst roads · Home