The M1 in Northamptonshire has reopened after a crash between three lorries.
The crash happened on the southbound carriageway half a mile from junction 17, near Daventry, on Tuesday night
A 41-year-old lorry driver was trapped for two hours in the cab of a red Scania articulated lorry. He is in hospital with serious injuries.
Another driver received minor injuries. The carriageway was reopened at 0700 GMT and police said they were investigating the circumstances.