Big Boy 2024 Schedule 2024 Map. 4014, the world’s largest steam locomotive, will return to the rails in 2024 for a tour celebrating the railroad’s deep. The train will leave cheyenne.

Big boy 4014 will be on display for union pacific employees and their families on saturday, september 7, 2024, and to the public on sunday, september 8,. Where can i see the union pacific big boy steam locomotive?