M1 crash J39 northbound

Crash on the M1 northbound at J39 on Wednesday 23 September 2026, from 18:41. Cleared at 13:07 after 354 h 26 min. Timeline of reports from TomTom, the motorway signs and National Highways.

Status

Cleared 13:07 on 8 Oct 2026, after 354 h 26 min

Location

M1 northbound · J39

Reported as

Collision

Lanes

2 of 4 lanes closed

At its worst

Stationary traffic · delay ~49 min

Sources

TomTom ×4 · Motorway signs ×5 · National Highways

Timeline

1. Wed 18:41 TomTom: queueing traffic, “Stationary traffic”, delay ~4 min
2. Wed 18:41 Motorway signs: “STRANDED VEHICLE”
3. Wed 18:48 TomTom: collision, “Accident”
4. Wed 18:48 TomTom: collision, “Accident”
5. Wed 18:48 TomTom: collision, “Accident, Lane closed”
6. Wed 19:00 TomTom: now says collision, “Stationary traffic, Accident”
7. Wed 19:11 Motorway signs: “COLLISION”
8. Wed 19:14 TomTom: delay now ~49 min (was ~6)
9. Wed 19:16 Motorway signs: “M1 J39-J40 COLLISION”
10. Wed 19:27 Motorway signs no longer show “STRANDED VEHICLE”
11. Wed 19:28 TomTom: delay now ~17 min (was ~49)
12. Wed 19:42 TomTom no longer reports it
13. Wed 19:49 Motorway signs: “M1 J39-J40 COLLISION”
14. Wed 19:57 Motorway signs no longer show “M1 J39-J40 COLLISION”
15. Wed 20:27 Motorway signs no longer show “COLLISION”
16. Wed 20:27 Motorway signs no longer show “M1 J39-J40 COLLISION”
17. Wed 20:27 All clear: no source reports it any more
18. Sun 14:18 Motorway signs: “OBSTRUCTION ON SLIP ROAD”
19. Sun 14:31 Motorway signs: “STRANDED VEHICLE” (reported again)
20. Sun 15:01 Motorway signs no longer show “STRANDED VEHICLE”
21. Sun 15:01 Motorway signs no longer show “OBSTRUCTION ON SLIP ROAD”
22. Sun 15:01 All clear: no source reports it any more
23. Wed 14:17 Motorway signs: “STRANDED VEHICLE” (reported again)
24. Wed 14:47 Motorway signs no longer show “STRANDED VEHICLE”
25. Wed 14:47 All clear: no source reports it any more
26. Thu 11:01 National Highways: 2 of 4 lanes closed
27. Thu 11:55 Motorway signs: “COLLISION” (reported again)
28. Thu 12:55 Motorway signs no longer show “COLLISION”
29. Thu 13:07 National Highways: lane closure lifted
30. Thu 13:07 All clear: no source reports it any more

Source reports

• Stationary traffic, Accident
• Overhead signs read “STRANDED VEHICLE” (1 sign; furthest along: M1 northbound between J39 and J40).
• Accident
• Overhead signs read “M1 J39-J40 COLLISION” (1 sign; e.g. M1 northbound between J37 and J38). Marker placed near M1 J39–J40 using the signs there, so it is approximate.
• Overhead signs read “COLLISION” (1 sign; furthest along: M1 northbound between J39 and J40).
• Accident, Lane closed
• Overhead signs read “M1 J39-J40 COLLISION” (2 signs; furthest along: M1 J39 northbound exit).
• Overhead signs read “OBSTRUCTION ON SLIP ROAD” (1 sign; furthest along: M1 northbound between J39 and J40).
• M1 northbound between J39 and J40

Other recent incidents on the M1

• M1 closed J25–J24A southboundyesterday 23:06 · cleared after 5 h 24 min
• M1 closed J25–J24A southboundyesterday 21:34 · cleared after 1 h
• M1 crash J45 northboundyesterday 19:23 · cleared after 57 min
• M1 stopped traffic J10–J11 northboundyesterday 16:25 · cleared after 2 h 3 min
• M1 crash J34–J33 southboundyesterday 16:20 · cleared after 2 h 51 min
• M1 crash J34–J33 southboundyesterday 13:49 · cleared after 11 min
• M1 crash J32 northboundyesterday 13:48 · cleared after 12 min
• M1 crash J22 northboundyesterday 11:42 · cleared after 57 min
• M1 crash J12–J11A southboundyesterday 10:04 · cleared after 2 h 40 min
• M1 crash J23A–J24 northboundyesterday 06:42 · cleared after 1 h 25 min

Live traffic and past incidents at M1 J39.

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