Read the text. Fill in the blanks with the words from the list. Use each word only once, there are three extra words in the list.

U.S. Route 66 was one of the original highways within the U.S. Highway System. US Route 66 was opened on November 11, 1926. The road signs were set up the ... year.
The highway ... one of the most famous roads in the United States. Originally it ran from Chicago, Illinois, through Missouri, Kansas, Oklahoma, New Mexico, and Arizona and ended at Santa Monica, California. It covered a total of 3,940 km.
People ... business along the route became rich because of the growing popularity of the highway. And the same people
... fought to keep the highway alive. The new Interstate Highway System was going to take the place of US Route 66.
US Route 66 underwent ... changes over its lifetime. And it was officially deleted from the United States Highway System in 1985.