M4 closed Westbound (incident)

Cleared Cleared at 03:59 on 14 Oct 2026, after 2 h 15 min.

Road closure on the M4 at Westbound on Wednesday 14 October 2026, from 01:44. Cleared at 03:59 after 2 h 15 min. Timeline of reports from Traffic Wales.

1. ?

   M4 · Westbound

   Incident

   01:44–03:59 (cleared after 2 h 15 min)

   Traffic Wales

At its worst: road closed

See the M4 on the live map M4 traffic now

Timeline

1. 01:34 Traffic Wales: collision, road closed
2. 02:44 Traffic Wales: now says incident, road reopened, “Now open : Westbound : J25 Caerleon”
3. 02:49 Traffic Wales no longer reports it
4. 02:49 All clear: no source reports it any more
5. 03:49 Traffic Wales: incident (reported again)
6. 03:59 Traffic Wales no longer reports it
7. 03:59 All clear: no source reports it any more

What the sources said

• M4 : Now open : Westbound : J25 Caerleon

Other recent incidents on the M4

• M4 stopped traffic J4–J4B westbound · 06:51, cleared after 2 h 54 min
• M4 crash J17–J18 · yesterday 10:09, cleared after 2 h 50 min
• M4 crash J6–J5 eastbound · yesterday 07:10, cleared after 1 h 9 min
• M4 stopped traffic J3–J2 · yesterday 06:43, cleared after 1 h 9 min
• M4 crash J3 eastbound · Mon 18:51, cleared after 1 h 2 min
• M4 closed J19 westbound · Mon 07:57, cleared after 4 h 56 min
• M4 stopped traffic J3–J2 · Mon 06:41, cleared after 1 h 36 min
• M4 reported crash J15–J16 westbound · Sat 12:09, cleared after 1 h 5 min
• M4 crash J3–J2 eastbound · Sat 09:28, cleared after 45 min
• M4 crash J8–J7 eastbound · Fri 20:12, cleared after 1 h 50 min

About this page

This page shows what the data sources reported about this event and when, merged from every source that reported it at the same place. It doesn't say what caused it or whether anyone was hurt: no source reports that. Times are UK time. For live alerts, follow @motorways.me on Bluesky.