Union Pacific’s (UP) Big Boy No. 4014 and Lincoln Locomotive No. 1616 last week rode the rails together for the first time as part of a limited excursion tour in Colorado and Wyoming. Big Boy No. 4014 ...

DENVER (KDVR) — The world’s largest operating steam locomotive, known as Big Boy No. 4014, is coming back to Colorado — and this time, it’s bringing a friend. Union Pacific, a railroad company, ...

Union Pacific’s (UP) Big Boy 4014, the world’s largest operating steam locomotive, will make two whistle-stops in Greeley, Colo., this summer as part of a limited summer excursion. Big Boy will be ...

DENVER (KDVR) — “Big Boy,” a 1.2 million-pound locomotive, is back in Colorado after being restored to the world’s largest operating steam locomotive — and there’s one more chance to see it this ...

The “dog days” of summer are upon us, but the summer fun rolls on. If you’re a train lover, this is your week. “Big Boy” will make a stop in Greeley, along with another famous train. The car show ...