Cambridgeshire Police are appealing for witnesses and dashcam footage.
Police received reports of a collision between a lorry and two cars on the A428 at 6.40am on Friday 17 November 2023.
Officers and paramedics attended, but the driver of one of the cars was pronounced dead at the scene.
He has been identified as 20-year-old Jack Bayford from Elstow, near Bedford,
Jack’s family have paid this tribute:
"Our family is beyond heartbroken at the sudden loss of Jack.
"He was kind, loving, gentle, funny, geeky and hardworking and had his whole life in front of him.
"To be taken too soon and in this way feels so cruel and we are still struggling to believe it is real.
"Jack was a much-loved son, brother, grandson, nephew, cousin and boyfriend.
"He will forever be loved and remembered by his family and friends; especially his mum, dad, little sister and his soulmate Mady.
"Rest in peace, our beautiful boy."
The drivers of the other vehicles remained at the scene and an investigation continues.
Anyone with information or dashcam footage should report it through the force website using reference: CC-17112023-0058.