SALT LAKE CITY (KUTV) — Union Pacific is bringing its famous Big Boy No. 4014 — the world's largest operating steam locomotive —back to Utah for the first time in five years.

Union Pacific's legendary Big Boy No. 4014, the world’ s largest operating steam locomotive built to conquer mountains, will make 19 whistle-stops in five states this summer during its 2024 ...

Western Pacific No. 3002 — a GP35 diesel-electric locomotive built in 1963 shown in this undated photo following its recent repainting — is set to soon join the Utah State Railroad Museum's ...