Traffic chaos was caused around Fulwood, Preston, after a road accident.
Police said a Peugeot 307 was involved in the accident on Eastway at around 4pm.
There were reports a HGV was also involved, but that has not been confirmed.
Eastway was closed in both directions between the Lancashire Evening Post offices and Asda.
An ambulance was at the scene and there were massive traffic tailbacks in the area.
No further details have been released.