The Transantarctic Highway System is a proposed series of ice highways that connect Sallen with it's suburbs, the Transantarctic Highway System is the main highway system in the Democratic States.

The highways are 2-lane highways in rural areas, as in the Greater Sallen Area, the highways are mostly freeways, the freeway are mostly within the Sallen city limits.

There are 6 highways in the Democratic States, all of them are freeways in the Greater Sallen Area, and 2-lane highways in rural areas.