M6 crash J21–J20 southbound

Live Still reported at 17:11 UK time, since 15:50 (1 h 21 min).

Crash on the M6 southbound at J21–J20 on Tuesday 29 September 2026, from 15:50. Still reported at 17:11 UK time. Timeline of reports from TomTom and the motorway signs.

1. !

   M6 southbound · J21–J20

   Collision

   since 15:50 (1 h 21 min) · delay ~6 min · queue 4.6 mi

   TomTom · Motorway signs

See the M6 on the live map M6 traffic now

Timeline

1. 15:50 TomTom: queueing traffic, “Stationary traffic”, delay ~10 min
2. 15:55 TomTom: delay now ~18 min (was ~10)
3. 15:58 Motorway signs: “COLLISION SLOW DOWN”
4. 15:59 TomTom: delay now ~25 min (was ~18)
5. 16:04 TomTom: delay now ~33 min (was ~25)
6. 16:18 TomTom: delay now ~20 min (was ~35)
7. 16:22 TomTom: delay now ~14 min (was ~20)
8. 16:27 TomTom: delay now ~7 min (was ~14), “Slow traffic”

What the sources said

• Slow traffic
• Overhead signs read “COLLISION SLOW DOWN” (1 sign; furthest along: M6 southbound between J21 and J20).

Other recent incidents on the M6

• M6 crash J16–J17 northbound · 15:23, still reported
• M6 crash J13–J12 southbound · 11:12, cleared after 29 min
• M6 crash J3 northbound · 07:52, cleared after 5 h 50 min
• M6 crash J15–J16 northbound · yesterday 15:06, cleared after 1 h 30 min
• M6 reported crash J15–J16 northbound · yesterday 15:01, cleared after 35 min
• M6 crash J21–J20 southbound · yesterday 14:25, cleared after 1 h 32 min
• M6 crash J41–J40 · yesterday 11:45, cleared after 1 h 50 min
• M6 reported crash J26–J27 northbound · yesterday 11:27, cleared after 38 min
• M6 reported crash J4–J4A northbound · Sun 20:26, cleared after 36 min
• M6 delays J11–J10A southbound · Sun 12:53, cleared after 2 h 8 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.