A 24-YEAR-old passenger died when the car he was in hit a concrete barrier on the Tinsley viaduct.
Police said a silver Seat Leon was travelling northbound on the lower deck, near the Meadowhall roundabout junction.
The man was pronounced dead at the scene of the crash, which happened at 8.20pm on Friday.
The driver, a 24-year-old man, and a 23-year-old male passenger, were taken to hospital with life-threatening injuries.
A third passenger, a 27-year-old man, suffered minor injuries.
A police spokesman said: “An investigation is currently ongoing and officers are appealing for anyone who may have seen the collision, or the manner of driving prior to the collision, to please report it.”
Anyone with information is asked to call 101 quoting incident 974 of January 12.