Union Pacific Big Boy Tour 2025. Union pacific railroad today announced its famed big boy no. 4014 locomotive will stop in more than three dozen communities during its fall tour across 10 states, including four public display days in houston, fort worth and the chicago area.
In addition to public stops, union pacific employees and their families will be invited along the route. The ‘heartland of america tour’ will be big boy’s second tour of 2025.