"The Main Highways" will be the 3rd episode of Season 1 and the 3rd episode of Intertropolis & Routeville. It will air on January 6, 2021.
I-48 stays in Intertropolis to meet the Main Highways of the Interstates while US 86 goes to Routeville to meet the Main Highways of the U.S. Routes.
Episode highway signsEdit