A pedestrian has died following a crash at Old Reynella this morning.

About 5.20am on Monday 7 July, emergency services were called to Main South Road, Old Reynella after reports that a ute had collided with a pedestrian.

Sadly, the pedestrian, a 43-year-old man, died at the scene.

The driver of the ute, a 58-year-old Port Noarlunga man, was not physically injured in the crash.

Major Crash officers attended and examined the scene.

Northbound traffic was closed for several hours on Main South Road but has since reopened.

The man's death is the 41st life lost on South Australian roads so far this year.

Anyone who may have witnessed the crash or has CCTV or dashcam footage that may assist the investigation is asked to call Crime Stoppers on 1800 333 000, or online.