U.S. Route 41 (US 41) in the state of Indiana is a north–south US Highway that is parallel to the Illinois state line. It enters the state south of Evansville as a four-lane divided highway passing around Vincennes and traveling north to Terre Haute. In Terre Haute, it is known as 3rd Street. North of Terre Haute, it hooks east and becomes a two-lane surface road. Those wanting to stay on a four-lane divided highway can use State Road 63 to the west. It passes through Rockville, Veedersburg, and Attica before returning to a four-lane divided highway when SR 63 terminates in Warren County. It remains a four-lane divided highway until Lake County, where it becomes a main road known as Indianapolis Boulevard. It overlaps US 12 and US 20 in Hammond and exits Indiana into the South Side of Chic