Opened 100 years ago in 1925, it is listed on the National Register of Historic Places (NRHP).
[5] Thousands attended its debut with mainline service in mid-April,[6] including Union Pacific president Carl Gray, granted a key to the city by Mayor Eugene Sherman.
[5][9][10][11][excessive citations] Six years later, Amtrak (the National Railroad Passenger Corporation) resumed passenger service to the station in 1977 with the Pioneer,[12][13] Initially run between Salt Lake City, Utah, and Seattle, Washington, it was later extended further east and provided daily service from Chicago to Seattle.
[15] The last passenger train to use the depot was the Pioneer, which ended service 28 years ago in 1997.
[11][16] In 1990, Boise-based Morrison–Knudsen Corporation (MK) purchased the depot and renovated it to pristine condition.