Union Pacific's Big Boy No. 4014 steam locomotive will travel to the U.S. East Coast for the first time starting May 27, 2026 [1, 2].
This historic journey marks the first time the locomotive has visited the Northeast. The tour serves as a nationwide celebration of the 250th anniversary of the United States [2, 4].
The tour launches on Memorial Day, May 27, 2026 [2], departing from the Union Pacific home base in Cheyenne, Wyoming [3, 5]. The locomotive is recognized as the world's largest operating steam locomotive [1].
To facilitate the trip, Union Pacific is partnering with Norfolk Southern [4]. The itinerary includes stops across multiple East Coast states, including Pennsylvania, New York, and Ohio [3, 5].
The coast-to-coast excursion will conclude with the locomotive's return to Cheyenne on Wednesday, July 29, 2026 [3].
Steam locomotives of this scale rarely travel outside their original operational territories due to the logistical challenges of track compatibility and fuel requirements. The Big Boy No. 4014 is a centerpiece of American industrial heritage, a symbol of the era of massive steam power that defined early 20th-century transport.
“The world's largest operating steam locomotive”
The deployment of Big Boy No. 4014 to the East Coast is a significant logistical feat requiring coordination between two major rail carriers. By timing the tour with the semiquincentennial, Union Pacific is leveraging a rare mechanical spectacle to align corporate branding with a major national milestone.





