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 ...

Union Pacific announced that Big Boy No. 4014 started the “Heartland of America Tour” on Aug. 29 in Cheyenne, Wyoming. The tour will include nine other states; Arkansas, Colorado, Illinois ...

Union Pacific's Big Boy No. 4014 will visit Colorado, for a limited excursion tour this July. A larger tour is planned in 2026.

OMAHA, Neb.--(BUSINESS WIRE)--Union Pacific announced today that its legendary steam locomotive Big Boy No. 4014 will embark on a second tour this year, with a trip planned this fall in middle ...