M1 crash J36–J37 northbound

Crash on the M1 northbound at J36–J37 on Tuesday 20 October 2026, from 07:31. Cleared at 09:45 after 2 h 14 min. Timeline of reports from TomTom and the motorway signs.

Status

Cleared 09:45 on 20 Oct 2026, after 2 h 14 min

Location

M1 northbound · J36–J37

Reported as

Collision

Lanes

Road closed

At its worst

Stationary traffic · delay ~100 min

Sources

TomTom ×3 · Motorway signs ×3

Timeline

1. Tue 07:31 Motorway signs: “COLLISION SLOW DOWN”
2. Tue 07:36 TomTom: queueing traffic, “Stationary traffic”, delay ~26 min
3. Tue 07:37 Motorway signs: “COLLISION AFTER J36”
4. Tue 07:40 TomTom: delay now ~38 min (was ~26)
5. Tue 07:50 TomTom: queueing traffic, “Queuing traffic”, delay ~5 min
6. Tue 08:03 TomTom: “Stationary traffic”
7. Tue 08:22 TomTom: road closed
8. Tue 08:26 TomTom: “Queuing traffic”
9. Tue 08:35 TomTom: “Slow traffic”
10. Tue 08:35 TomTom: delay now ~67 min (was ~100)
11. Tue 08:40 TomTom: delay now ~44 min (was ~67)
12. Tue 08:43 Motorway signs: “OBSTRUCTION ON SLIP ROAD”
13. Tue 08:45 TomTom: delay now ~30 min (was ~44)
14. Tue 08:45 Motorway signs no longer show “COLLISION SLOW DOWN”
15. Tue 08:45 Motorway signs no longer show “COLLISION AFTER J36”
16. Tue 08:54 TomTom: delay now ~24 min (was ~37)
17. Tue 09:03 TomTom: “Queuing traffic”
18. Tue 09:17 TomTom: “Slow traffic”
19. Tue 09:22 TomTom no longer reports it
20. Tue 09:45 Motorway signs no longer show “OBSTRUCTION ON SLIP ROAD”
21. Tue 09:45 All clear: no source reports it any more

Source reports

• Slow traffic
• Overhead signs read “COLLISION SLOW DOWN” (2 signs; furthest along: M1 northbound between J36 and J37).
• Overhead signs read “COLLISION AFTER J36” (1 sign; furthest along: M1 northbound between J35 and J35A).
• Closed
• Overhead signs read “OBSTRUCTION ON SLIP ROAD” (1 sign; furthest along: M1 northbound between J36 and J37).

Other recent incidents on the M1

• M1 reported crash J11–J10 southboundyesterday 21:20 · cleared after 39 min
• M1 crash J11yesterday 16:37 · cleared after 41 min
• M1 crash J8–J9 northboundyesterday 16:14 · cleared after 1 h 41 min
• M1 reported crash J8–J9 northboundyesterday 16:14 · cleared after 43 min
• M1 crash J28 northboundyesterday 16:12 · cleared after 2 h 37 min
• M1 crash J16–J15A southboundyesterday 13:24 · cleared after 2 h 2 min
• M1 reported crash J19–J20 northboundyesterday 01:37 · cleared after 47 min
• M1 crash J11–J10 southboundSat 15:51 · cleared after 1 h
• M1 crash J11–J10Sat 13:43 · cleared after 2 h 8 min
• M1 reported crash J37 northboundFri 23:06 · cleared after 41 min

Live traffic and past incidents at M1 J36 and M1 J37.

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