Jim Moore / May 24, 2026
A piece of living railroad history is headed for western New York, and its journey will bring one of the most dramatic sights rail enthusiasts may ever witness in the region. The world’s largest operating steam locomotive, Union Pacific’s Big Boy No. 4014, is scheduled to cross the Genesee River on the towering Genesee Arch Bridge in Letchworth State Park this June as part of a nationwide tour commemorating America’s 250th anniversary.
The locomotive, which stretches approximately 133 feet in length and weighs about 1.2 million pounds, is the only operational example remaining from a fleet of 25 massive Big Boy steam engines built during World War II. Originally constructed in 1941 to haul heavy freight through the mountains of the American West, the locomotive traveled more than one million miles before being retired in 1961. After a multi-year restoration, it returned to service in 2019 and has since become one of the most celebrated railroad attractions in the country.
For the Finger Lakes and western New York region, the upcoming appearance carries added significance. Big Boy No. 4014 was built in Schenectady, New York, making its return to the Empire State something of a homecoming. Railroad historians note that this will be the locomotive’s first visit to New York since it left the state more than eight decades ago.
The crossing at Letchworth is expected to be one of the most photographed moments of the locomotive’s coast-to-coast journey. The Genesee Arch Bridge rises roughly 240 feet above the Genesee River gorge and is already one of the most recognizable railroad landmarks in the Northeast. Seeing the massive steam locomotive traverse the bridge amid the scenery of Letchworth State Park is expected to attract railfans, photographers, and visitors from across the region.
The locomotive’s appearance is part of Union Pacific Railroad’s America 250 tour, which celebrates the nation’s upcoming semiquincentennial in 2026. The excursion includes public display events, dozens of whistle stops, and visits to communities across multiple states. The eastern leg of the tour marks the first time Big Boy has traveled through portions of the Northeast, including New York and Pennsylvania.
Before reaching Letchworth, the locomotive is scheduled for a public display in Buffalo. It will then continue eastward across New York and Pennsylvania before participating in Fourth of July celebrations in Philadelphia. Tour organizers say the journey is intended to highlight the role railroads played in building the United States while giving the public a rare opportunity to see one of the most iconic machines in American transportation history under steam.
For many in the Finger Lakes region, the event offers a chance to witness not just a train, but a moving piece of American history and one whose thunderous return to New York is unlikely to be repeated anytime soon.
