1964 state highway renumbering (Washington)

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This article is part of the
highway renumbering series.
California 1964
Connecticut 1932
Florida 1945
Louisiana 1955
New Jersey 1927; 1953
New Mexico 1989
New York 1930
Texas 1939
Virginia 1928; 1933; 1940
Washington 1964
[edit]

In 1964, the Washington State Department of Transportation (WSDOT) created a new numbering system, the State Route system, out of the existing Primary State Highways (PSH) and Secondary State Highways (SSH) system. The new system, called State Routes or Signed Routes, consolidated and created a more organized and systematic method of numbering the highways within the state. The system also introduced accordance with the new Interstate Highway system, with the creation of Interstate 5 within the state.

Contents

[edit] Route renumeration

[edit] State Routes

[edit] Interstate Highways

[edit] U.S. Routes

[edit] References