U.S. Route 66 in Illinois
…IDOT Length 301 mi (484 km) Existed November 11, 1926 (1926-11-11)–June 25, 1974 (1974-06-25) Tourist routes Historic Route 66 Major junctions West end US 66 at the Mississippi River towards St. Louis, MO I-64 / IL 3 in East St. Louis I-70 / I-270 in Troy I-80 in Joliet US 30 in Joliet US 34 in Berwyn I-90…