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 excursion will offer rail fans ...

GREELEY, Colo. — The world's largest steam engine is coming back to Colorado. Union Pacific will bring Big Boy No. 4014 to Greeley from Thursday, July 17, to Saturday, July 19, as part of a limited ...

GREELEY, Colo. — The world's largest steam engine is back in Colorado. Union Pacific will bring Big Boy No. 4014 to Greeley from Tuesday to Wednesday, as part of a limited autumn excursion. The tour ...

The world's largest operating steam train is in Denver. Union Pacific's legendary Big Boy No. 4014 locomotive made a pit stop in the Mile High City on Friday. It first rode the rails in the 1940s ...

Since being restored to operation in May of 2019, the Union Pacific Railroad Big Boy 4014 steam locomotive has been hard at work traveling system wide as the railroad’s best and biggest public ...

Jennifer McRae is a digital media producer for CBS Colorado with more than 25 years of experience in news. Jennifer is part of the digital team recognized for excellence for Best Website several times ...

The legendary locomotive will be accompanied by Union Pacific’s New No. 1616 Lincoln Locomotive OMAHA, Neb.--(BUSINESS WIRE)-- Union Pacific Railroad announced today its legendary steam locomotive, ...