King County Traffic

Checkout the latest Road Conditions from King County.

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Closed - NE 128th Way between 181st Ave NE and Avondale Road NE
October 21, 2026
Closed - Culvert Replacement. NE 128th Way between 181st Ave NE and Avondale Road NE is closed to all traffic including vehicles, pedestrians, and bicyclists from Mon. Aug. 17 to Fri. Nov. 20. Use the marked detour and expect delays. Learn more: https://KingCounty.gov/NE-128th-Culvert-Project.
Closed - SE Mud Mountain Road between SR 410 and 248th Avenue SE (Boise X Connection Bridge #3055A)
October 20, 2026
Closed - Bridge replacement. On Monday, June 1, 2026, crews closed SE Mud Mountain Rd between SR 410 and 248th Ave SE for replacement of the Boise X Connection Bridge #3055A. The road is closed in both directions, 24/7, to all travelers, including emergency services. This work may be delayed due to machine, crew, or […]
Upcoming restriction - SE Mud Mountain Rd near house number 24415
October 19, 2026
Upcoming restriction - Soil sampling. On October 22nd and 23rd from 7:30 am to 4 pm each day, crews will reduce SE Mud Mountain Road near house number 24415 to a single lane for soil sampling. Flaggers will direct two-way traffic through a single open lane. Emergency vehicles will have access through the work zone.