Authorities are investigating the death of a 49-year-old man who was found on a city street Tuesday. Callers reported to police at 6:26 a.m. that the man was unconscious in the 3700 block of Central Avenue, reports the Press of Atlantic City, and first responders found the man on the shoulder of the road. The man’s name was not released Tuesday while next of kin was being notified. No cause of death has been determined.