The US Route 66 is one of the firsts federal highways to be opened to connect the East and the West (11 november 1926).

Originally it was made to link Chicago, starting from Michigan Ave. and Jackson Blv., and Santa Monica in Los Angeles, ending to Santa Monica Blv. and Ocean Ave, throughout 3 time zones and 8 States: Illinois, Missouri, Kansas, Oklahoma, Texas, New Mexico, Arizona e California.

The total length of the highway is 2347 miles (3755 km).

In the 27 June 1985 the US 66 has been removed from the US highways system and it is became part of the Federal Administration of Parks as a “National Trust monument”.

Length:	2.347 miles (3.755 km)
Inaugurated:	11 november 1926
Stopped:	27 june 1985
West limit:	Los Angeles   (1926-1936) Santa Monica (1936-1985)
East limit:	Chicago, IL

This route is now an historic monument named “Historic Route 66”. It is the only route in the world to be part of a National Parks system and it is also the longest in the world.