M4 reported crash J15–J16 westbound

Cleared Cleared at 13:14 on 10 Oct 2026, after 1 h 5 min.

Reported crash on the M4 westbound at J15–J16 on Saturday 10 October 2026, from 12:09. Cleared at 13:14 after 1 h 5 min. Timeline of reports from the motorway signs.

1. !

   M4 westbound · J15–J16

   Collision

   12:09–13:14 (cleared after 1 h 5 min)

   Motorway signs

See the M4 on the live map M4 traffic now

Timeline

1. 12:09 Motorway signs: “REPORT OF COLLISION”
2. 13:14 Motorway signs no longer show “REPORT OF COLLISION”
3. 13:14 All clear: no source reports it any more

What the sources said

• Overhead signs read “REPORT OF COLLISION” (8 signs; furthest along: M4 westbound between J15 and J16).

Other recent incidents on the M4

• M4 crash J3–J2 eastbound · 09:28, cleared after 45 min
• M4 crash J8–J7 eastbound · yesterday 20:12, cleared after 1 h 50 min
• M4 reported crash J15–J14 eastbound · yesterday 19:27, cleared after 43 min
• M4 stopped traffic J20–J19 · yesterday 15:47, cleared after 1 h 10 min
• M4 crash J11–J12 westbound · yesterday 15:06, cleared after 11 h 35 min
• M4 delays Westbound · yesterday 13:46, cleared after 6 h 59 min
• M4 crash J8–J10 westbound · yesterday 12:30, cleared after 2 h 45 min
• M4 reported crash J12–J11 eastbound · yesterday 06:27, cleared after 40 min
• M4 stopped traffic J3–J2 · Thu 06:44, cleared after 3 h 26 min
• M4 reported crash J14–J15 westbound · Wed 14:02, cleared after 46 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.