The subtram were repulsorcraft trains utilized on the subterranean planet Quarzite. On Quarzite, the subtrams flew through suspended hoops that formed an underground network linking the fortresses of the planet's dominant species, the Belugans. Coruscant also had a subtram system.
- Star Wars: The Clone Wars – "Bounty" (First appearance)
- Star Wars: The Clone Wars – "To Catch a Jedi"