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Helping you find the latest M4 traffic news and updates.
We hope that the traffic news will help you avoid taffic jams and roadwords.
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You can use the filter options below to find the latest traffic news for the M4 jourey you are planning to take.
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Hardshoulder closure
Time now: Monday, 3 August 2026, 05:1505:063 Aug 2026reported 8 min ago
- Location
- M4 eastbound between J17 and J16
- Direction
- Eastbound
- Lanes closed
- Hard shoulder closed
- Reason
- Roadworks
- Schedule
- 23:59 Tue 27 Apr 2021 → 18:00 Fri 30 Jul 2027
⏳Long-term works — HA planned end: 18:00 Fri 30 Jul 2027. -
M4 eastbound Jct 7 entry slip road closure
Time now: Monday, 3 August 2026, 05:1505:063 Aug 2026reported 8 min ago
- Location
- M4 eastbound between J7 and J6
- Direction
- Eastbound
- Lanes closed
- Carriageway closed
- Reason
- Other
- Schedule
- 21:00 Mon 3 Aug → 06:00 Tue 4 Aug
Forecast — not confirmed
🚧HA scheduled: 21:00 Mon 3 Aug → 06:00 Tue 4 Aug starts in about 16 hours · lasts ~9h 00m -
M4 Eastbound Jct 3 to Jct 1 Carriageway closure
Time now: Monday, 3 August 2026, 05:1505:063 Aug 2026reported 8 min ago
- Location
- M4 J2 eastbound access
- Direction
- Eastbound
- Lanes closed
- Carriageway closed
- Reason
- Roadworks
- Schedule
- 22:00 Mon 3 Aug → 05:30 Tue 4 Aug
Forecast — not confirmed
🚧HA scheduled: 22:00 Mon 3 Aug → 05:30 Tue 4 Aug starts in about 17 hours · lasts ~7h 30m -
M4 Westbound - Hard Shoulder Closure
Time now: Monday, 3 August 2026, 05:1505:063 Aug 2026reported 8 min ago
- Location
- M4 westbound between J16 and J17
- Direction
- Westbound
- Lanes closed
- Hard shoulder closed
- Reason
- Maintenance work
- Schedule
- 08:00 Mon 3 Aug → 18:00 Mon 3 Aug
Forecast — not confirmed
🚧HA scheduled: 08:00 Mon 3 Aug → 18:00 Mon 3 Aug starts in about 3 hours · lasts ~10h 00m -
M4 both directions Jct 15 to 22 - mobile lane closure
Time now: Monday, 3 August 2026, 05:1505:063 Aug 2026reported 8 min ago
- Location
- M4 eastbound between J18 and J17
- Direction
- Both directions
- Lanes closed
- Lane closures
- Reason
- Maintenance work
- Schedule
- 20:00 Mon 3 Aug → 06:00 Tue 4 Aug
Forecast — not confirmed
🚧HA scheduled: 20:00 Mon 3 Aug → 06:00 Tue 4 Aug starts in about 15 hours · lasts ~10h 00m -
M4 eastbound lane 1, 2 and 3 closure (34/6 to 31/5)
Time now: Monday, 3 August 2026, 05:1505:063 Aug 2026reported 8 min ago
- Location
- M4 eastbound within J5
- Direction
- Eastbound
- Lanes closed
- Lane closures
- Reason
- Other
- Schedule
- 21:00 Mon 3 Aug → 06:00 Tue 4 Aug
Forecast — not confirmed
🚧HA scheduled: 21:00 Mon 3 Aug → 06:00 Tue 4 Aug starts in about 16 hours · lasts ~9h 00m
Updated 05:15, Mon 3 Aug 2026
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How to find the latest M4 traffic news
Our live M4 feed updates throughout the day with the latest reports on delays, roadworks, accidents, closures and congestion along the M4 motorway. Search by junction number and direction — eastbound or westbound — to focus on the stretch you’re travelling, whether that’s the M25 interchange at Junction 4b, the Severn crossing, the M5 at Almondsbury, or the run into Cardiff and Swansea. A quick check before you leave can save you sitting in avoidable traffic.