THE A1 was closed north of Colsterworth after an accident last night.
A Volkswagen transporter van and a Volvo lorry were involved in the accident, which happened on the northbound carriageway near Stoke Rochford at 8.40pm.
One of the drivers was trapped in his vehicle and needed to be released by fire crews. He was taken to Peterborough City Hospital with serious but not life threatening injuries.
The southbound carriageway was reopened at 9.40pm and the northbound carriageway was reopened at 1.40am after the vehicles had been recovered.
Traffic was diverted via Melton Mowbray.