SR 522

I-405 and SR 522 closures in Bothell begin Feb. 20 to remove ramps and open space for I-405 expansion

Read more about I-405 and SR 522 closures in Bothell begin Feb. 20 to remove ramps and open space for I-405 expansion

Weekend closures part of Puget Sound’s high-impact construction in 2026

BOTHELL – A visible shift is about to take place at the Interstate 405/State Route 522 Interchange in Bothell. Beginning Feb. 20, crews will start removing large flyover ramps that once carried northbound I-405 traffic to SR 522.

New traffic signals coming to SR 522 to support I-405 expansion in Bothell

Read more about New traffic signals coming to SR 522 to support I-405 expansion in Bothell

BOTHELL – Big changes are coming soon at the Interstate 405/State Route 522 interchange in Bothell. Drivers will use new traffic signals at two new intersections on SR 522 between Bothell and Woodinville as early as Monday, Nov. 24.

Spring project will improve safety of guardrails and barriers in King, Snohomish and Whatcom counties

Read more about Spring project will improve safety of guardrails and barriers in King, Snohomish and Whatcom counties

Evening work planned at different sites from March through June

SHORELINE – A project to update and improve the safety of 24 guardrails and barriers across King, Snohomish and Whatcom counties begins mid-March, adding energy-absorbing features to reduce the impacts of crashes.