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Which states does Route 66 pass through?

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Route 66, a historic highway in the United States, originally ran from Chicago, Illinois, to Santa Monica, California. The states it passed through, from east to west, were:

  • Illinois
  • Missouri
  • Kansas
  • Oklahoma
  • Texas
  • New Mexico
  • Arizona
  • California12

While Route 66 was decommissioned in 1985, many segments are preserved and recognized for their historical significance.1