Union Pacific
Big Boy No. 4014 Coast-to-Coast Tour to Make 27 Whistle-Stops During Western Leg
Union Pacific’s legendary Big Boy No. 4014, the world’s largest operating steam locomotive, is steaming up for the western leg of its coast‑to‑coast tour to celebrate America’s 250th birthday with 27 whistle-stops and four public display days scheduled during its journey across four western states.
