The 133-foot-long locomotive is the only Big Boy to still travel the tracks.

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

The tour schedule for the western leg of Big Boy's historic coast-to-coast tour was announced Monday. The world's largest locomotive, which weighs ...

(NEXSTAR) — The ground rumbles. A billowing cloud of steam forms in the sky. Then suddenly, the 1.2 million-pound locomotive known as Big Boy No. 4014 is pulling into a station near you. It won’t be ...

(NEXSTAR) – There will be countless celebrations this year in honor of America’s semiquincentennial (aka, its 250th anniversary), but none may be as massive as a 1.2 million-pound locomotive rolling ...

Union Pacific will celebrate the 250th year of American independence with its first-ever coast-to-coast steam tour led by the Big Boy locomotive.

Union Pacific has announced the first leg of the tour of its legendary Big Boy No. 4014 locomotive will begin by leaving Cheyenne, Wyoming on Sunday, March 29 th, and heading west to California. The ...

Big Boy No. 4014, described as "the Elvis Presley of locomotives," could begin its first ever coast-to-coast tour in just a matter of weeks.