Union Pacific had it's own bus service to offer travelers who visited Salt Lake, and note they still called the pick up point the stage depot.

https://www.deseret.com/2011/4/17/20186218/a-peek-into-the-utah-state-historical-society#union-pacific-had-its-own-bus-service-to-offer-travelers-who-visited-salt-lake-and-note-they-still-called-the-pick-up-point-the-stage-depot