Nathan LeBaron was hit by a train and killed while walking down the center of the tracks near 2200 West 1800 North, about 2:10 p.m. Saturday.
Police say LeBaron was wearing a pair of ear buds, headphones which fit into the ear canal, when he was struck by a Union Pacific train.
The train had rounded a corner and the conductor noticed the man about 1,000 feet away. The engineer "started laying on the horn a long way before they got there, but the guy didn't flinch and didn't look back," said Sgt. Shawn Horton. He noted that the train's horn should have drowned out the music.
On Monday Sgt. Mark Chatlin said they still don't know what was going on with the young man, but he was walking down the middle of the tracks.
Trains typically can take up to a mile to stop.
Chatlin said the accident remains under investigation. A recording device similar to a plane's black box will be processed this week.