Since 1925, the Boise Depot has stood above the City of Trees At the time, the city leaders turned 7th Street into Capitol Boulevard in order to make the train depot the "entrance to the City of Boise." Credit: City of Boise archives On April 16, in 1925, the Union Pacific Depot opened to fanfare, and the city celebrated the culmination of a decades-long campaign to extend main line passenger rail service to town. While service discontinued in 1997, the Boise Depot is today a community space and historic site. Author: KTVB Staff Updated: 12:39 PM MDT April 16, 2021 BOISE, Idaho — On April 16, 1925, the Boise Depot opened to the public, forever changing the face of Boise. The now-iconic landmark shifted train routes and better connected the City of Trees to the rest of the Pacific Northwest and changed how city leaders wanted to showcase the capital city to travelers, spurring a new layout for the city.