• Drivers can learn more about a recent SR 522 Study (pdf 323k). Questions about SR 522? Get answers with our FAQs
• You can get weekly e-mail updates on our construction projects in Snohomish County. Find out how to sign up.
State Route 522 (SR 522) is an important east-west route that runs from I-5 in Seattle to US 2 in Monroe. SR 522 runs through King and Snohomish counties. Dramatic growth in communities along this corridor and further east has increased traffic congestion and accident rates on this overburdened highway.
Reader's Digest warned drivers in November 2000 that the 10 mile stretch of SR 522 between Woodinville and Monroe was among America's most dangerous highways.
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- indicates project is funded in part by the 2003 Legislative Transportation Funding Package.
- indicates project is funded in part by the 2005 Transportation Partnership Funding Package.
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