M1 crash J19–J18 southbound

Crash on the M1 southbound at J19–J18 on Saturday 17 October 2026, from 09:43. Cleared at 10:57 after 1 h 15 min. Timeline of reports from the motorway signs, TomTom and National Highways.

Status

Cleared 10:57 on 17 Oct 2026, after 1 h 15 min

Location

M1 southbound · J19–J18

Reported as

Collision

Lanes

1 of 4 lanes closed

Sources

Motorway signs ×3 · TomTom ×2 · National Highways ×9

Timeline

1. 09:43 Motorway signs: “INCIDENT SLOW DOWN”
2. 09:55 National Highways: 1 of 4 lanes closed
3. 10:07 TomTom: queueing traffic, “Slow traffic”, delay ~5 min
4. 10:15 Motorway signs: “INCIDENT”
5. 10:21 Motorway signs: “COLLISION”
6. 10:22 TomTom no longer reports it
7. 10:25 National Highways: 1 of 4 lanes closed
8. 10:27 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
9. 10:27 Motorway signs no longer show “INCIDENT SLOW DOWN”
10. 10:31 TomTom no longer reports it
11. 10:55 National Highways: lane closure lifted
12. 10:57 Motorway signs no longer show “INCIDENT”
13. 10:57 Motorway signs no longer show “COLLISION”
14. 10:57 All clear: no source reports it any more

Source reports

• Overhead signs read “INCIDENT SLOW DOWN” (2 signs; furthest along: M1 southbound between J20 and J19).
• Slow traffic
• M1 southbound at the Watford Gap services between J17 and J16
• M1 southbound between J19 and J18
• M1 southbound between J18 and J17
• M1 southbound within J18
• Overhead signs read “INCIDENT” (13 signs; furthest along: M1 southbound between J17 and J16).
• Overhead signs read “COLLISION” (1 sign; furthest along: M1 southbound between J19 and J18).

Other recent incidents on the M1

• M1 stopped traffic J12–J13 northbound08:22 · cleared after 2 h 9 min
• M1 crash J27–J26 southbound04:39 · cleared after 47 min
• M1 reported crash J10 southboundyesterday 22:18 · cleared after 1 h 6 min
• M1 crash J33–J32 southboundyesterday 22:11 · cleared after 3 h 15 min
• M1 crash J22–J23 northboundyesterday 18:22 · cleared after 3 h 2 min
• M1 crash J41–J42 northboundyesterday 15:54 · cleared after 2 h 30 min
• M1 crash J22–J21A northboundyesterday 14:30 · cleared after 3 h 36 min
• M1 crash J21A–J22 northboundyesterday 13:06 · cleared after 4 h 27 min
• M1 crash J8 southboundyesterday 10:29 · cleared after 9 h 54 min
• M1 reported crash J33–J34 northboundyesterday 09:15 · cleared after 35 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.