M1 crash J23–J23A northbound
Crash on the M1 northbound at J23–J23A on Tuesday 20 October 2026, from 17:02. Cleared at 18:14 after 1 h 12 min. Timeline of reports from TomTom and the motorway signs.
- Status
- Cleared 18:14 on 20 Oct 2026, after 1 h 12 min
- Location
- M1 northbound · J23–J23A
- Reported as
- Collision
- At its worst
- Stationary traffic · delay ~25 min
- Sources
- TomTom ×2 · Motorway signs
Timeline
- Motorway signs: “REPORT OF COLLISION”
- TomTom: queueing traffic, “Stationary traffic”, delay ~12 min
- TomTom: delay now ~18 min (was ~13)
- TomTom: delay now ~25 min (was ~18)
- TomTom no longer reports it
- TomTom: queueing traffic, “Stationary traffic”, delay ~7 min
- TomTom no longer reports it
- Motorway signs no longer show “REPORT OF COLLISION”
- All clear: no source reports it any more
- TomTom: queueing traffic, “Slow traffic”, delay ~4 min (reported again)
- TomTom: “Queuing traffic”
- TomTom: “Slow traffic”
- TomTom no longer reports it
- All clear: no source reports it any more
Source reports
- Slow traffic
- Overhead signs read “REPORT OF COLLISION” (6 signs; furthest along: M1 northbound between J23 and J23A).
- Stationary traffic
Other recent incidents on the M1
- M1 stopped traffic J21A–J21 southbound
- M1 crash J8–J9 northbound
- M1 reported crash J24A–J25 northbound
- M1 stopped traffic J22–J21A
- M1 reported crash J22–J23 northbound
- M1 crash J34–J35 northbound
- M1 crash J36–J37 northbound
- M1 reported crash J29A northbound
- M1 delays J10
- M1 crash J4–J5 northbound
The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.