Union Pacific's "Big Boy Number 4014" is the world's largest operating steam locomotive. It reached West Chicago late Tuesday afternoon. https://t.co/bmQ0PkR4tZ
Union Pacific’s Big Boy No. 4014, the world’s largest operating steam locomotive, is stopping in Chicago on Wednesday, June 3, as it makes way to Philadelphia on an historic coast-to-coast tour to celebrate the U.S.A.’s 250th Anniversary. Your chance to see this legendary steam-powered behemoth is just a Metra ride away on the UP West Line. View the news release here: https://t.co/cYtcNPlTkP