It happened Sunday afternoon on the tracks at Shields and Wishon.
Investigators say the man was walking on the train tracks when a train, traveling between 25 and 30 miles an hour clipped him.
The man, who has not been identified, was taken to the hospital with serious injuries.
It's not known exactly why he was walking on the tracks.
NEWS BY LOCATION | ABC30 BLOGS | DISCUSSION FORUMSBECOME A FAN ON FACEBOOK | FOLLOW ABC30 ON TWITTER