Big Boy Steam Train 2024. 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,. 4014, the world’s largest operating steam locomotive, will travel during the heartland.
The union pacific railroad’s 2024 steam schedule will see big boy no. On sunday, up 4014, the largest operative steam locomotive in the world, was on public display at the houston amtrak station.