A male pedestrian was killed after being hit by a road train on the Stuart Hwy on Thursday night, NT Police.

Detective Senior Sergeant Brendan Lindner said in a statement that about 9:50pm police were told the male pedestrian was hit by the road train on the Stuart Hwy about approximately 4km south of the Mataranka Cemetery.

He said the driver allegedly did not stop at the scene and continued driving before later contacting police about the crash. Police did not say how long after hitting the man that the driver called the agency.

The victim has yet to be formally identified, while the road train driver tested negative for alcohol and has had blood taken at hospital to identify the presence of any drugs, police said.

Anyone with with any information is requested to call police on 131 444.