Interstate 5 in Washington - History

History

As part of the state's first connected state highway system, the Washington State Legislature designated the Pacific Highway between Vancouver and Blaine in 1913. The State Highway Board selected a route that would connect the main cities of Western Washington, which were Vancouver, Olympia, Tacoma, Seattle, Everett, and Bellingham. In 1923, by which time the entire road had been improved, the highway became State Road 1 (Primary State Highway 1 after 1937), but retained its name. By that time, most of the route of Interstate 5 became US 99, which was established in 1926.

Later in 1956, President Dwight D. Eisenhower signed the Federal-Aid Highway Act of 1956 which started the construction of Interstate Highways. In 1968, US 99 was removed from the system entirely, a year before the last portion of Interstate 5 opened on November 14, 1969. Legally, the Washington section of I-5 is defined at Washington Revised Code ยง 47.17.020. Several projects are currently ongoing and have been completed in the recent years on I-5.

Read more about this topic:  Interstate 5 In Washington

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