M1 crash J4–J5 northbound

Crash on the M1 northbound at J4–J5 on Monday 19 October 2026, from 21:23. Cleared at 22:42 after 1 h 19 min. Timeline of reports from the motorway signs.

Status

Cleared 22:42 on 19 Oct 2026, after 1 h 19 min

Location

M1 northbound · J4–J5

Reported as

Collision

Sources

Motorway signs

Timeline

1. 21:23 Motorway signs: “COLLISION SLOW DOWN”
2. 22:42 Motorway signs no longer show “COLLISION SLOW DOWN”
3. 22:42 All clear: no source reports it any more

Source reports

• Overhead signs read “COLLISION SLOW DOWN” (1 sign; furthest along: M1 northbound between J4 and J5).

Other recent incidents on the M1

• M1 stopped traffic J10–J9 southbound21:06 · Live
• M1 crash J28–J29 northbound09:18 · Live
• M1 crash J27–J28 northbound09:09 · cleared after 1 h
• M1 crash J17–J16 southbound08:33 · cleared after 3 h 6 min
• M1 reported crash J47–J46 southbound07:47 · cleared after 52 min
• M1 reported crash J26–J25 southbound07:01 · cleared after 37 min
• M1 crash J21A–J21 southbound06:43 · cleared after 6 h 27 min
• M1 stopped traffic J13–J12 southbound06:17 · cleared after 1 h 52 min
• M1 stopped traffic J40–J41 northbound06:16 · cleared after 3 h 4 min
• M1 delays J11A–J12 northbound06:03 · cleared after 4 h 7 min

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