Washington State Route 522
highway in Washington
State Route 522 (SR 522) is a state highway in the U.S. state of Washington that serves the Seattle metropolitan area. Approximately 25 miles (40 km) long, it connects the city of Seattle to the northeastern suburbs of Kenmore, Bothell, Woodinville, and Monroe. Its western half is primarily an arterial street, named Lake City Way and Bothell Way, that follows the northern shore of Lake Washington; the eastern half is a grade-separated freeway that runs between Woodinville and Monroe. SR 522 connects several of the metropolitan area's major highways, including Interstate 5 (I-5), I-405, SR 9, and U.S. Route 2 (US 2).
The present-day route of SR 522 was built in stages between 1907 and 1965, beginning with the Red Brick Road from Seattle to Bothell, then part of the Pacific Highway and later US 99. The road later became a branch of Primary State Highway 2 (PSH 2) in 1937, and was extended east to Redmond and North Bend. A branch of the Stevens Pass Highway was built to connect PSH 2 in Bothell and Monroe in 1965, and was incorporated into SR 202 after it was designated in 1964. The Bothell–Monroe highway was re-designated as part of SR 522 in 1970, leaving SR 202 on the Bothell–North Bend highway.
Since the late 1990s, the SR 522 corridor between Woodinville and Monroe has been partially converted to a freeway to address safety concerns and a growing population. Portions of the highway near Woodinville and Monroe were widened between 2001 and 2014, while other sections near Maltby remain two lanes wide and undivided, with improvement projects left unfunded.
Begin with the source’s own compact description: “Washington State Route 522” is highway in Washington. The dossier treats that line as a proposition to test through Washington, State and Route, not as a finished interpretation.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Dec 15, 2025. The linked authority identifier is Q836747. VIAF identifies the subject as 315530840. The Library of Congress control number is no2009158892. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1907, 1965, 1937 and 1964.
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This entry incorporates text from “Washington State Route 522” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.