What happened
The A1M in West Yorkshire is closed northbound between J42 near Lumby and J43 near Aberford due to a single vehicle collision. 
RoadA1
SeveritySevere
StatusCleared
DirectionNorthbound
Started11:13, 3 Jul 2026
Cleared16:15, 3 Jul 2026
Incident timeline
First report
The A1M in West Yorkshire is closed northbound between J42 near Lumby and J43 near Aberford due to a single vehicle collision. 
Update
The A1M in West Yorkshire is closed northbound between J42 near Lumby and J43 near Aberford due to a single vehicle collision. 
Update
⏱ Still active — no changes from National Highways. Incident ongoing for 57 minutes. Monitoring continues.
Update
The A1M in West Yorkshire is closed northbound between J42 near Lumby and J43 near Aberford due to a single vehicle collision. 
Update
⏱ Still active — no changes from National Highways. Incident ongoing for 1h 32m. Monitoring continues.
Update
The A1M in West Yorkshire is closed northbound between J42 near Lumby and J43 near Aberford due to a single vehicle collision. 
Update
⏱ Still active — no changes from National Highways. Incident ongoing for 2h 7m. Monitoring continues.
Update
The A1M in West Yorkshire is closed northbound between J42 near Lumby and J43 near Aberford due to a single vehicle collision. 
Update
⏱ Still active — no changes from National Highways. Incident ongoing for 2h 42m. Monitoring continues.
Update
The A1M in West Yorkshire is closed northbound between J42 near Lumby and J43 near Aberford due to a single vehicle collision. 
Update
⏱ Still active — no changes from National Highways. Incident ongoing for 3h 17m. Monitoring continues.
Update
The A1M in West Yorkshire is closed northbound between J42 near Lumby and J43 near Aberford due to a single vehicle collision. 
Update
⏱ Still active — no changes from National Highways. Incident ongoing for 3h 52m. Monitoring continues.
Update
The A1M in West Yorkshire is closed northbound between J42 near Lumby and J43 near Aberford due to a single vehicle collision. 
Update
⏱ Still active — no changes from National Highways. Incident ongoing for 4h 32m. Monitoring continues.
Update
The A1M in West Yorkshire is closed northbound between J42 near Lumby and J43 near Aberford due to a single vehicle collision. 
Update
✅ Incident cleared — A1 reopened at 16:15 on 3 Jul 2026. Total disruption: 5h 2m. All lanes open, traffic returning to normal.
Final update
The A1M in West Yorkshire is closed northbound between J42 near Lumby and J43 near Aberford due to a single vehicle collision. 
Wording from National Highways, recorded as it changed.
UK Traffic Updates