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In page St. Louis:

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Major roadways include the north–south Memorial Drive, located on the western edge of Gateway Arch National Park and parallel to Interstate 70, the north–south streets of Grand Boulevard and Jefferson Avenue, both of which run the length of the city, and Gravois Road, which runs from the southeastern portion of the city to downtown and used to be signed as U.S. Route 66. An east-west roadway that connects the city with surrounding communities is Martin Luther King, Jr. Drive, which carries traffic from the western edge of the city to downtown.[citation needed]