Two lanes of the southbound junction 33 of the M6, at Galgate near Lancaster, are now flowing after traffic halted due a serious accident.
One vehicle needed attention from firefighters after bursting into flames, and is now a write-off.
But serious injuries were avoided.
A Lancashire Police spokesman commented: “All parties are safe and well with minor injuries.
“Some disruption but two lanes now flowing.”
An ambulance crew was also on the scene.