M4 reported crash J17 westbound

Cleared Cleared at 04:44 on 26 Sept 2026, after 1 h.

Reported crash on the M4 westbound at J17 on Saturday 26 September 2026, from 03:44. Cleared at 04:44 after 1 h. Timeline of reports from the motorway signs.

1. !

   M4 westbound · J17

   Collision

   03:44–04:44 (cleared after 1 h)

   Motorway signs

See the M4 on the live map M4 traffic now

Timeline

1. 03:38 Motorway signs: “REPORT OF COLLISION”
2. 04:44 Motorway signs no longer show “REPORT OF COLLISION”
3. 04:44 All clear: no source reports it any more

What the sources said

• Overhead signs read “REPORT OF COLLISION” (12 signs; furthest along: M4 J17 westbound exit).

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 J18–J17 eastbound · yesterday 11:52, cleared after 49 min
• 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.