U.S. Route 66 was a United States Numbered Highway in Illinois that connected St. Louis, Missouri, and Chicago, Illinois. The historic Route 66, known as the Mother Road or Main Street of America, too
An abandoned early Route 66 alignment in central Illinois in 2006
1926 alignment of historic US 66 along IL 53 in Romeoville
The Chain of Rocks Bridge as it leaves St. Louis, Missouri. The bridge bends at a 22° angle. In 1967, it was closed to automotive traffic.