16th & California and 16th & Stout stations  16th & California station and 16th & Stout station are a pair of RTD light rail stations in Downtown Denver, Colorado, United States. Operating as part of the D, F, H, and L lines, the stations were opened on October 8, 1994, and are operated by the Regional Transportation District. These stations have one track each, and are one city block apart. 16th & California is served only by northbound trains and 16th & Stout is served only by southbound trains. These stations serve the 16th Street Mall and provide connections to the MallRide shuttle bus and Union Station via the shuttles.