For , from the city of Terre Haute until it rejoins U.S. Route 41 (US 41) near Carbondale, it is a four-lane divided highway and replaces US 41 as the major north–south artery in this portion of the state.
For , from the city of Terre Haute until it reunites with U.S. Route 41 (US 41) near Carbondale, it is a four-lane divided highway and supplants US 41 as the primary north–south thoroughfare in this region.