ILLINOIS ROUTE 66 Map of Illinois Route 66: 301 Miles There are many sources online and in print that document detailed, turn-by-turn tours through various alignments. Alignment changed over the years, as highway engineering improved. Included below are maps of the eight states through which Route 66 passed, showing the overall, approximate path through each state. Map showing the approximate route of U.S. Map of Historic Route 66 from Illinois to California Over time the route was formalized as a Federal Highway numbered as 'U.S. In the early years many sections connected only one small town to the next, and had no official federal route number. 'The Mother Road' was established on November 11, 1926, and ultimately stretched 2,448 miles from Chicago to Los Angeles.įrom its beginning in Chicago, Route 66 headed south through Illinois and Missouri, and a small section of southeast Kansas.įrom there it turned in a more westward direction through Oklahoma and Texas, with the final stretches in New Mexico and Arizona before its termination point in Los Angeles.Īlignments of the road changed often over the years, as improved sections of highway were constructed.

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