U.S. Route 36 (US 36) is a part of the United States Numbered Highway System that runs from Rocky Mountain National Park, Colorado to Uhrichsville, Ohio. In the state of Indiana, it is part of the Indiana State Road system that runs across the central portion of the state from the Illinois state line near Dana to the Ohio state line near Spartanburg. In the Indianapolis area, US 36 overlaps the southern section of Interstate 465 (I-465), bypassing the downtown area where the route formerly went.