Las Vegas Police are investigating the death of a Reno man killed in traffic Wednesday night. Police say a teenage girl driving a Mercedes-Benz was headed north on Decatur Boulevard north of Bonanza Road. She hit a pedestrian crossing Decatur, outside a crosswalk. The pedestrian died after being taken to a hospital. His name has not been released. Police say the driver remained on scene, and there was no evidence of impairment. The cause of the crash has not been determined.