Complex sentence: U.S. Highway 83 is one of the longest north-south U.S. Highways in the United States, at 1885 miles, only three other north-south routes are longer U.S.1, U.S.41 and U.S.87.
Split into simpler sentences: U.S. Highway 83 is one of the longest north-south U.S. Highways in the United States, at 1885 miles. Only three other north-south routes are longer U.S.1, U.S.41 and U.S.87.