M4 reported crash J18–J17 eastbound

Cleared Cleared at 12:41 on 25 Sept 2026, after 49 min.

Reported crash on the M4 eastbound at J18–J17 on Friday 25 September 2026, from 11:52. Cleared at 12:41 after 49 min. Timeline of reports from the motorway signs.

1. !

   M4 eastbound · J18–J17

   Collision

   yesterday 11:52–yesterday 12:41 (cleared after 49 min)

   Motorway signs

See the M4 on the live map M4 traffic now

Timeline

1. yesterday 11:52 Motorway signs: “REPORT OF COLLISION”
2. yesterday 12:41 Motorway signs no longer show “REPORT OF COLLISION”
3. yesterday 12:41 All clear: no source reports it any more

What the sources said

• Overhead signs read “REPORT OF COLLISION” (11 signs; furthest along: M4 eastbound between J18 and J17).

Other recent incidents on the M4

• M4 crash J3–J2 westbound · 17:09, cleared after 42 min
• M4 crash J10–J8 eastbound · 12:42, cleared after 2 h 40 min
• M4 reported crash J17–J16 eastbound · 03:44, cleared after 1 h
• M4 reported crash J17 westbound · 03:44, cleared after 1 h
• M4 closed J3–J2 · Thu 22:50, cleared after 5 h 43 min
• M4 closed J41 · Wed 02:48, cleared after 3 h 9 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.