M1 reported crash J21A–J21 southbound

Cleared Cleared at 16:56 on 23 Sept 2026, after 47 min.

Reported crash on the M1 southbound at J21A–J21 on Wednesday 23 September 2026, from 16:09. Cleared at 16:56 after 47 min. Timeline of reports from the motorway signs.

1. !

   M1 southbound · J21A–J21

   Collision

   Wed 16:09–Wed 16:56 (cleared after 47 min)

   Motorway signs

See the M1 on the live map M1 traffic now

Timeline

1. Wed 16:09 Motorway signs: “REPORT OF COLLISION”
2. Wed 16:56 Motorway signs no longer show “REPORT OF COLLISION”
3. Wed 16:56 All clear: no source reports it any more

What the sources said

• Overhead signs read “REPORT OF COLLISION” (6 signs; furthest along: M1 southbound between J21A and J21).

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 crash J39 northbound · Wed 18:41, cleared after 1 h 46 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.