OGDEN, Utah -- The Union Pacific Railroad is marking the 150th anniversary of the completion of the transcontinental railroad.
The celebration includes a reenactment of the moment the golden spike was driven to unite the two rail lines, which will occur in Ogden.
The reenactment includes "Big Boy", a historic steam locomotive.
Fox 13's Tamara Vaifanua has more on the event in the video above.
