A UTA FrontRunner commute departs Salt Lake Central Station on Aug. 14, 2014.

Union Pacific's St. John Local awaits a clear signal at Grant Tower to enter UP North Yard in Salt Lake City. January 14, 1977

Can this really be the year 2014? One of the two remaining Chicago & North Western engines on the UP passes by a Missouri Pacific caboose at Buena Vista, west of Salt Lake City on July 29, 2014.

A four car Warner Local meets the UEGROE-30 at North Yard in Salt Lake City. Aug. 8, 2014

A UTA FrontRunner commute and a Utah Railway RUT312 local depart Salt Lake City for Ogden and Woods Cross, respectively. July 25, 2014

Utah Railway's RUT311 local heads for Woods Cross while an impressive cloud mass builds over the Wasatch Front. Aug. 1, 2014

UP's hot ZLAAH slows for a crew change at North Yard while an impressive cloud mass builds over the Wasatch Front. Aug. 1, 2014

A well powered MHKRO departs North Yard for Roper Yard on Aug. 1, 2014.

Freshly painted SD40Ns 1820 and 1954 pull the Warner Local into Salt Lake City on Aug. 1, 2014.

A freshly painted EMD NW2 works at South Yard on a hazy Jan. 29, 1977 afternoon in Salt Lake City.

Western Pacific's business car 'Feather River' was spotted at the Rio Grande passenger station in Salt Lake City on Jan. 29, 1977. The car was built by Pullman Standard for the Union Pacific in 19... (more)

One of the two remaining Chicago & North Western painted and numbered engines on the UP was assigned to lead the KG1LAC-27 from Chicago, Illinois to City of Industry, California. The CNW 8646 roll... (more)

One of the two remaining Chicago & North Western painted and numbered engines on the UP was assigned to lead the KG1LAC-27 from Chicago, Illinois to City of Industry, California. The CNW 8646 appr... (more)

Union Pacific's Fourth South Switcher crosses from Main 2 to Main 1 at CP Salt Lake City on July 21, 2014.

Union Pacific's Fourth South Switcher rolls slowly through Salt Lake City on July 21, 2014.