M4 stopped traffic J13–J12 eastbound

Stopped traffic on the M4 eastbound at J13–J12 on Friday 23 October 2026, from 15:55. Cleared at 17:33 after 1 h 38 min. Timeline of reports from the motorway signs and TomTom.

Status

Cleared 17:33 on 23 Oct 2026, after 1 h 38 min

Location

M4 eastbound · J13–J12

Reported as

Obstruction or hazard

At its worst

Stationary traffic · delay ~20 min

Sources

Motorway signs · TomTom

Timeline

1. 15:55 Motorway signs: “REPORT OF OBSTRUCTION”
2. 16:20 TomTom: queueing traffic, “Stationary traffic”, delay ~8 min
3. 16:34 Motorway signs no longer show “REPORT OF OBSTRUCTION”
4. 16:39 TomTom: “Queuing traffic”
5. 16:48 TomTom: “Stationary traffic”
6. 17:20 TomTom: “Queuing traffic”
7. 17:33 TomTom no longer reports it
8. 17:33 All clear: no source reports it any more

Source reports

• Overhead signs read “REPORT OF OBSTRUCTION” (14 signs; furthest along: M4 eastbound between J13 and J12).
• Queuing traffic

Other recent incidents on the M4

• M4 crash J6–J5 eastbound15:23 · cleared after 40 min
• M4 closed J19–J20 westbound14:24 · Live
• M4 closed J20–J21 westbound12:44 · cleared after 2 h 44 min
• M4 crash J8–J10 westboundyesterday 15:23 · cleared after 2 h 46 min
• M4 crash J4B–J5 westboundyesterday 09:55 · cleared after 4 h 33 min
• M4 stopped traffic J20–J21yesterday 07:02 · cleared after 51 min
• M4 crash J35 westboundWed 22:53 · cleared after 1 h 25 min
• M4 closed J20–J21 westboundWed 20:45 · cleared after 6 h 52 min
• M4 crash J10–J8 eastboundWed 13:16 · cleared after 36 min
• M4 crash J18Wed 07:27 · cleared after 23 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.