Route 366 is a highway located completely within the St. Louis metropolitan area. It is primarily a former section of

U.S. Route 66 U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) was one of the original highways in the United States Numbered Highway System. It was established on November 11, 1926, with road signs erected the following year. The h ...

. Beginning at South Broadway/South Jefferson Avenue in St. Louis and ending at the Interstate 44/ Interstate 270 interchange in

Sunset Hills Sunset Hills is a city in south St. Louis County, Missouri, United States. The population was 8,496 at the 2010 census. Geography Sunset Hills is located at 38°32'8" North, 90°24'14" West (38.535570, -90.403759). According to the United Sta ...

, it was established in 1979 when US 66 was decertified between

Chicago, Illinois (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name ...

and Joplin, Missouri. Through the several suburbs of St. Louis it is known as Watson Road, while in the city of St. Louis itself, it is named Chippewa Street.

History

For 20 years, Route 366 was the only non-Interstate route in the City of St. Louis maintained by the State of Missouri. It officially extended eastward only to Brannon Avenue, two blocks west of South Kingshighway Boulevard. In 1999, the Route 366 designation was extended east several miles, to include the remaining section of Chippewa Street that was previously part of United States Route 66 (from Chippewa to Gravois, where U.S. Route 66 had historically turned northeastward toward downtown St. Louis), as well as the section east of Gravois as far as South Broadway/South Jefferson Avenue which had never been part of U.S. Route 66.

Major intersections

References

{{Reflist

366 __NOTOC__ Year 366 ( CCCLXVI) was a common year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Gratianus and Dagalaifus (or, less frequently, year 1119 ''Ab urbe condita''). The denominat ...

Streets in St. Louis Transportation in St. Louis County, Missouri