Union Pacific's Big Boy #UP4014 and Abraham Lincoln #UP1616 locomotives will make two public stops in Greeley, Colorado, this July as part of a limited 2025 schedule. More information can be found at UPsteam.com! Want to be part of the action? Four cab ride opportunities will be auctioned off by uprrMuseum , a nonprofit organization. Although this year’s steam schedule is limited, the Big Boy will return to the rails in a big way in 2026 to celebrate America’s 250th anniversary. Stay tuned for details.