Beginning its first run over Sherman Hill after a lengthy restoration, Union Pacific Big Boy No. 4014 leads a passenger special destined for a 150th anniversary of the Golden Spike and completion of the Transcontinental Railroad at Ogden, Utah. The train is also accompanied by Northern No. 844 as it curves up Track 3 at Speer, Wyoming, after departing Cheyenne on the morning of May 4, 2019.