The 65-year-old man who died after his car collided with a lorry near Long Buckby has been named by police.
Roland Langhor, 65-years-old, of Poplar Grove, Rugby, died on the A5 on Monday, October 28.
Mr Langhor was driving a blue Ford Ka, which was in collision with a Daf lorry.
The lorry driver, a 31-year-old man from Coventry, was arrested on suspicion of causing death by dangerous driving and has been released on police bail pending further inquiries.
Witnesses or anyone with information can call the Drivewatch Hotline on 0800 174615 or Northamptonshire Police on 101.