https://en.wikipedia.org/wiki/W_Line_(RTD) Since 2013.
https://en.wikipedia.org/wiki/Regional_Transportation_District#Light_rail
https://en.wikipedia.org/wiki/Federal_Center_station_(RTD) The last multitrack station heading towards the mountains. It has 3 tracks.
https://en.wikipedia.org/wiki/Red_Rocks_College_station While this station is doubletracked, this part of the W line is single tracked.
https://en.wikipedia.org/wiki/Jefferson_County_Government_Center-Golden_station The end of the line with 3 station tracks on a single track section.
https://en.wikipedia.org/wiki/Regional_Transportation_District#Primary_services
https://en.wikipedia.org/wiki/List_of_Denver_RTD_rail_stations