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M4 roadworks

Live and upcoming roadworks, closures and disruption on the M4 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.

109

Active / upcoming

Authorities

High impact

M4 Eastbound Between J17 and J16

National Highways · Roadworks · Tue 27 Apr 2021 23:59 → Fri 30 Jul 2027 18:00
Minor
M4 Eastbound Between J17 and J16

National Highways · Roadworks · Mon 2 Nov 2026 06:00 → Tue 12 Jan 2027 20:00
Minor
M4 Eastbound Between J18 and J17

National Highways · Lane closures · Mon 2 Nov 2026 06:00 → Fri 9 Apr 2027 21:00
Medium
M4 Westbound Between J17 and J18

National Highways · Roadworks · Mon 2 Nov, 07:00 – 17:00
Minor
M4 Eastbound Between J18 and J17

National Highways · Roadworks · Mon 2 Nov, 07:00 – 17:00
Minor
M4 Eastbound Between J18 and J17

National Highways · Lane closures · Mon 2 Nov, 08:53 – 19:00
Medium
M4 Eastbound Between J18 and J17

National Highways · Lane closures · Mon 2 Nov, 09:00 – 19:00
Medium
M4 Eastbound Between J18 and J17

National Highways · Lane closures · Mon 2 Nov, 20:00 – 06:00 (overnight)
Medium
M4 Eastbound Between J15 and J14

National Highways · Lane closures · Mon 2 Nov, 20:00 – 06:00 (overnight)
Medium
M4 Eastbound Between J19 and J18

National Highways · Lane closures · Mon 2 Nov, 20:00 – 06:00 (overnight)
Medium
M4 Eastbound Between J11 and J10

National Highways · Lane closures · Mon 2 Nov, 20:00 – 06:00 (overnight)
Medium
M4 Eastbound Between J17 and J16

National Highways · Lane closures · Mon 2 Nov, 20:00 – 06:00 (overnight)
Medium
M4 Eastbound at the Membury Services Slip Road Between J15 and J14

National Highways · Slip road closure · Mon 2 Nov, 21:00 – 06:00 (overnight)
High
M4 Eastbound Within J18

National Highways · Slip road closure · Mon 2 Nov, 21:00 – 06:00 (overnight)
High
M4 Eastbound Between J23 and J22

National Highways · Lane closures · Mon 2 Nov, 21:00 – 06:00 (overnight)
Medium
M4 Eastbound Between J20 and J19

National Highways · Slip road closure · Mon 2 Nov, 21:00 – 06:00 (overnight)
High
M4 Eastbound at the Membury Services Slip Road Between J15 and J14

National Highways · Slip road closure · Mon 2 Nov, 21:00 – 06:00 (overnight)
High
M4 Eastbound Between J18 and J17

National Highways · Roadworks · Tue 3 Nov 2026 06:00 → Fri 29 Jan 2027 06:00
Minor
M4 Westbound Between J17 and J18

National Highways · Roadworks · Tue 3 Nov, 07:00 – 17:00
Minor
M4 Eastbound Between J18 and J17

National Highways · Roadworks · Tue 3 Nov, 07:00 – 17:00
Minor
M4 Eastbound Between J17 and J16

National Highways · Lane closures · Tue 3 Nov, 20:00 – 06:00 (overnight)
Medium
M4 Eastbound Between J18 and J17

National Highways · Lane closures · Tue 3 Nov, 20:00 – 06:00 (overnight)
Medium
M4 Eastbound Within J7

National Highways · Lane closures · Tue 3 Nov, 20:00 – 06:00 (overnight)
Medium
M4 Eastbound Between J19 and J18

National Highways · Lane closures · Tue 3 Nov, 20:00 – 06:00 (overnight)
Medium
M4 Eastbound Between J23 and J22

National Highways · Lane closures · Tue 3 Nov, 21:00 – 06:00 (overnight)
Medium

Showing 25 of 109 live works on the M4. Full live feed, history, exports and API for businesses — talk to us. Drivers: free on the live map.

Councils on the M4

National Highways›National Highways›

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