Cheyenne-based Big Boy 4014, the world's largest operating steam locomotive, will make its first ever coast-to-coast tour ...

Union Pacific said the world’s largest operating steam locomotive will return to the rails in a big way in 2026 to celebrate America's 250th anniversary.

Union Pacific will join the nation in celebrating 250 years of American independence and innovation this year with its first-ever coast-to-coast steam tour led by the legendary ...

This legendary 'Big Boy' train has finished its major restoration project and is set to make a big return in 2026. Here's ...

OMAHA, Neb.--(BUSINESS WIRE)-- Union Pacific Railroad's iconic Big Boy No. 4014, the world’s largest operating steam locomotive, will journey between Wyoming and Colorado later this month. The limited ...

For the first time ever, both coasts could receive a visit from the world's largest operating steam locomotive.