Crossing in Greeley Big Boy No. 4014 will also be at Union Station in Denver on Tuesday, Oct. 22, for a private railroad employee event. There will be no public access, but the locomotive will ...
ROSEVILLE – Union Pacific's Big Boy No. 4014, the world's largest operating steam locomotive, will be on display in Roseville on Friday and Saturday as part of its 2024 Westward Bound Tour.