Emergency services were called to the third lane of the M1 between junction 35A and 36 northbound at 11.52pm last night following reports that a black Mercedes CLA had been involved in a collision with a pedestrian.
The pedestrian, a 25 year-old man was pronounced dead at the scene. His family are being supported by specially trained officers.
A police spokesman said: “Officers would like to speak to anyone who witnessed the collision or may have been in the area at the time.
“If you can help, please call 101 quoting incident number 1011 of October 18.”