The M6 in Lancashire was closed southbound between J33 for Garstang and J32 for the M55 and Blackpool at around 4:30pm on Sunday, May 15, following the incident.
Traffic was stopped on Sunday afternoon after the collision involving a car and a motorcycle.
An Air Ambulance arrived at the scene shortly after the incident, according to National Highways.
The northbound carriageway has been blocked while the Air Ambulance is in attendance.
Long delays are building up on the approach to the scene.
UPDATES TO FOLLOW…