Letterman

Letterman was a destination on the subtram in the Coruscant underworld. It was listed on travel maps inside the subtram trains, along with Beverly Blvd, Lucasville, LAAC, Filoniville, Laurel Canyon, Coach House, Skinwalker, RGC, Skywalker Ranch, Big Rock Ranch and Skinwalker Ranch.

Behind the scenes
Letterman was inserted onto a subtram map as an in-joke by the Star Wars: The Clone Wars production team along with the other destinations on the map, referencing the late night talk show host David Letterman.