Union Pacific Big Boy No. 4014, the world's largest operating steam locomotive, is making its way through the Midwest.

Rocky Mountain Steel Mills announced today that Union Pacific Railroad received the first stick of rail from Rocky Mountain ...

Hundreds of people gathered in Bloomington, Illinois, on Saturday morning to view Union Pacific's Big Boy 4014, the world's ...

Will this proposed merger help Iowans? It deserves more than optimistic headlines and corporate promises, writes John Wills.

Experience a piece of railroad history as Union Pacific's legendary Big Boy, the world's largest operating steam locomotive, ...

Some 144 years after Pueblo’s Colorado Fuel & Iron Co. forged its first steel rail for the Union Pacific Railroad, a new ...

Springfield's history is tied to the steam locomotives, with the largest remaining steam train coming into town this weekend.

Big Boy is still drawing big crowds as the world's largest operating steam locomotive begins its homeward run to cap its ...

Five years after construction began on a new Pueblo long rail mill at what is now Rocky Mountain Steel Mills, the mill is ...

Hundreds gathered in California, Missouri, to see Union Pacific's Big Boy 4014 steam locomotive. Visitors traveled statewide ...

KANSAS CITY, Mo. (KCTV) - Thousands of people turned out at Union Station on Wednesday to see Union Pacific’s Big Boy No. 4014, the world’s largest operating steam locomotive, as it made a stop on its ...