M4 crash J18 eastbound
Cleared Cleared at 18:57 on 5 Oct 2026, after 3 h 33 min.
Crash on the M4 eastbound at J18 on Monday 5 October 2026, from 15:23. Cleared at 18:57 after 3 h 33 min. Timeline of reports from the motorway signs and TomTom.
M4 eastbound · J18
Collision
Road closed · yesterday 15:23–yesterday 18:57 (cleared after 3 h 33 min) · delay ~66 min · queue 3.4 mi
Motorway signs · TomTom ×4
See the M4 on the live map M4 traffic now
Timeline
- Motorway signs: “REPORT OF COLLISION”
- TomTom: collision, “Stationary traffic, Incident”, delay ~26 min
- TomTom: delay now ~40 min (was ~26)
- TomTom: delay now ~69 min (was ~40)
- TomTom: now says queueing traffic, delay now ~14 min (was ~186), “Stationary traffic”
- TomTom: road closed
- TomTom: queueing traffic, “Stationary traffic”, delay ~107 min
- TomTom: queueing traffic, “Stationary traffic”, delay ~49 min (reported again)
- Motorway signs no longer show “REPORT OF COLLISION”
- TomTom: queueing traffic, “Stationary traffic”, delay ~108 min (reported again)
- TomTom: delay now ~69 min (was ~103)
- TomTom: queueing traffic, “Stationary traffic”, delay ~22 min
- TomTom: delay now ~4 min (was ~69), “Slow traffic”
- TomTom: delay now ~8 min (was ~22), “Queuing traffic”
- TomTom no longer reports it
- All clear: no source reports it any more
What the sources said
- Overhead signs read “REPORT OF COLLISION” (2 signs; furthest along: M4 eastbound within J18).
- Stationary traffic
- Closed
- Slow traffic
- Queuing traffic
Other recent incidents on the M4
- M4 closed J19–J20 westbound
- M4 closed J19 westbound
- M4 closed J20–J21 westbound
- M4 closed J15–J16 westbound
- M4 closed J13–J14 westbound
- M4 closed J12–J13 westbound
- M4 closed J16–J17 westbound
- M4 reported crash J5–J6 westbound
- M4 crash J10–J8 eastbound
- M4 crash Both directions
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.