Here's how to see Big Boy, world's largest Steam locomotive
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The world’s largest operating steam engine, Union Pacific Big Boy 4014, is on the East Coast of the United States for the first time in history. It passed through Westmoreland and Allegheny counties Saturday.
As the Union Pacific Big Boy No. 4014 travels through central Pennsylvania, one landmark in particular — the Rockville Bridge — is generating lots of buzz. On July 7, the massive steam locomotive will traverse the historic bridge from Dauphin County to Perry County as part of its 23-state cross-country journey celebrating America’s 250th birthday.
A massive steam locomotive that first went into service 85 years ago has been traveling coast-to-coast to celebrate America's 250th birthday, and this week, it made a stop in Chicago's western suburbs.
