M4 reported crash J17–J16 eastbound

Reported crash on the M4 eastbound at J17–J16 on Thursday 15 October 2026, from 12:41. Cleared at 13:45 after 1 h 4 min. Timeline of reports from the motorway signs.

Status

Cleared 13:45 on 15 Oct 2026, after 1 h 4 min

Location

M4 eastbound · J17–J16

Reported as

Collision

Sources

Motorway signs

Timeline

1. 12:41 Motorway signs: “REPORT OF COLLISION”
2. 13:45 Motorway signs no longer show “REPORT OF COLLISION”
3. 13:45 All clear: no source reports it any more

Source reports

• Overhead signs read “REPORT OF COLLISION” (2 signs; furthest along: M4 eastbound between J17 and J16).

Other recent incidents on the M4

• M4 crash J4 eastbound07:16 · cleared after 57 min
• M4 reported crash J3 westbound06:02 · cleared after 1 h 40 min
• M4 reported crash J6–J5 eastbound05:34 · cleared after 38 min
• M4 reported crash J5–J6 westbound05:34 · cleared after 38 min
• M4 stopped traffic J4–J4B westboundyesterday 06:51 · cleared after 2 h 54 min
• M4 closed Westboundyesterday 01:44 · cleared after 2 h 15 min
• M4 crash J17–J18Tue 10:09 · cleared after 2 h 50 min
• M4 crash J6–J5 eastboundTue 07:10 · cleared after 1 h 9 min
• M4 stopped traffic J3–J2Tue 06:43 · cleared after 1 h 9 min
• M4 crash J3 eastboundMon 18:51 · cleared after 1 h 2 min

The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.