M1 crash J39 northbound

Cleared Cleared at 20:27 on 23 Sept 2026, after 1 h 46 min.

Crash on the M1 northbound at J39 on Wednesday 23 September 2026, from 18:41. Cleared at 20:27 after 1 h 46 min. Timeline of reports from TomTom and the motorway signs.

1. !

   M1 northbound · J39

   Collision

   Wed 18:41–Wed 20:27 (cleared after 1 h 46 min) · delay ~17 min

   TomTom ×4 · Motorway signs ×4

See the M1 on the live map M1 traffic now

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

What the sources said

• Stationary traffic, Accident
• Overhead signs read “STRANDED VEHICLE” (2 signs; 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).

Other recent incidents on the M1

• M1 crash J22–J21A southbound · 15:12, cleared after 1 h 6 min
• M1 reported crash J43–J42 southbound · 11:05, cleared after 41 min
• M1 crash J47 northbound · 03:39, cleared after 35 min
• M1 reported crash J8 northbound · 02:20, cleared after 54 min
• M1 closed J12–J13 · yesterday 22:23, cleared after 39 min
• M1 crash J22–J23 northbound · yesterday 14:19, cleared after 13 h 29 min
• M1 crash J29–J28 southbound · yesterday 08:33, cleared after 1 h 37 min
• M1 crash J8–J9 northbound · Thu 15:38, cleared after 5 h
• M1 reported crash J21A–J21 southbound · Wed 16:09, cleared after 47 min
• M1 crash J31–J30 southbound · Wed 15:32, cleared after 3 h 25 min

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.