Boyer Avenue East reduced to a single lane between East Roanoke Street and Everett Avenue East July 20 – September 11 (excluding weekends) Date: July 20 to Sept. 11 Time: 7 a.m. (starting Aug. 19) to 3:30 p.m. weekdays Activity details: Street and lane closureHigh-impact construction Impact type: DaytimeBike/pedestrianParking RestrictionsTrafficNoise Description: Crews will use this single lane closure to create space for dump trucks to remove nearly 20,000 cubic yards of soil from the Boyer Hillside. This work is part of the SR 520 Portage Bay Bridge and Roanoke Lid Project. Traffic: Boyer Avenue East will be reduced to a single lane between East Roanoke Street and Everett Avenue East beginning at 9:30 a.m. to 3:30 p.m. weekdays beginning Monday, July 20, until at least Friday, Sept. 11. 8/18/26 Update: Please note the single lane closure will start at 7 a.m. until 3:30 p.m. beginning Wednesday, Aug. 19. In addition, there will be parking restrictions on Boyer Avenue East to allow space for crews and traffic to get through. Flaggers will be on site to manage traffic flow and pedestrian access needs. Travelers are advised to plan for delays or seek alternate routes if able. Learn more about the Boyer Hillside regrade on our dedicated project updates page. Closures Delmar Drive East between E. Roanoke St. and 11th Ave. E. closed nightly Aug. 12 & Aug. 19-20 Westbound SR 520 off-ramp to northbound I-5 and E. Roanoke St. closed select nights Aug. 19 – Sept. 3 Montlake Blvd. closed between E. Hamlin St. and E. Louisa St. around-the-clock Aug. 21-24 Eastbound SR 520 off-ramp to Montlake Boulevard closed around-the-clock Sept. 12 – 19 Long-term closures Weekday parking restrictions near Fuhrman Ave. for staging site begin June 15 Boyer Avenue East reduced to a single lane between East Roanoke Street and Everett Avenue East July 20 – September 11 (excluding weekends) Activities Vibratory casing installation in Portage Bay schedule: Phase of work is complete Contact Info Email: sr520bridge@wsdot.wa.gov 24-hour construction hotline: 206-319-4520