Complex sentence: Indiana State Highway 9 is a long north-south highway in eastern Indiana between its southern terminus near Columbus, Indiana on U.S. Highway 31 to the Michigan/Indiana state line between Howe, Indiana and Sturgis, Michigan at which it becomes Michigan State Highway 66.
Split into simpler sentences: Indiana State Highway 9 is a long north-south state highway in the eastern portion of the U.S. state of Indiana. The northern terminus is at the Michigan/Indiana state line between Howe, Indiana and Sturgis, Michigan, where it continues as Michigan State Highway 66.