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A1M Road Closure: Major Incident Sparks Chaos
12 Dec, 2025
Summary
- A1M northbound is closed between J40 and J41 due to a police-led incident.
- Traffic is also being held southbound between junctions 40 and 41.
- Police and ambulance services are actively responding at the scene.
A major incident has led to the closure of the A1M northbound, causing substantial traffic disruption. The affected stretch of road is between junction 40, near Pontefract, and junction 41, near Knottingley. Both West Yorkshire Police and Yorkshire Ambulance Service have crews attending the scene.
In addition to the northbound closure, traffic is currently being held on the southbound carriageway between the same junctions. This dual closure is expected to cause significant delays for motorists in the area. Diversion routes are being established to manage the flow of traffic.
The situation is ongoing, with authorities working to resolve the incident and reopen the road as soon as safely possible. Updates on diversionary routes and the expected time for the road to reopen are anticipated. Commuters are advised to seek alternative routes.
