Union Pacific Big Boy No. 4014 to Appear in Beaver County This Weekend
Key Questions
What is Union Pacific Big Boy No. 4014?
It is the world's largest operating steam locomotive, making a rare appearance as it travels across western Pennsylvania.
When and where will the Big Boy locomotive be visible in Beaver County?
The locomotive will appear in Beaver County this weekend, with viewing opportunities in Leetsdale and Conway for rail fans and families.
What should viewers know before seeing the Big Boy in western PA?
Communities along the route are preparing for the event, and spectators should check local details for safe viewing spots as the train resumes its westward journey.
The world's largest operating steam locomotive, Union Pacific Big Boy No. 4014, will make a rare appearance in Beaver County this weekend. Viewing spots include Leetsdale and Conway. This is a unique community event for rail fans and families.
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Updated Jul 10, 2026