Delmar Drive E. reduced to a single lane between E. Interlaken Blvd. and 11th Ave. E. during daytime Nov. 14 Date: 11/14/2026 to 11/14/2026 Time: 9:30 a.m. to 3:30 p.m. Activity details: Street and lane closure Impact type: DaytimeBike/pedestrianTraffic Description: Crews will use this single-lane closure on Delmar Drive for survey work for the Portage Bay Project. Traffic: Delmar Drive will be reduced to a single lane between Interlaken Boulevard East and just northwest of 11th Avenue East from 9:30 a.m. to 3:30 p.m. on Saturday, Nov. 14. Flaggers will be on site to direct traffic and pedestrians. Travelers should plan for delays or use alternate routes. Closures Westbound SR 520 off-ramp to northbound I-5 and East Roanoke Street closed most weeknights Westbound SR 520 closed between Montlake Boulevard and I-5 Nov. 13-16 (weather dependent) E. Roanoke St. closed between 20th Ave. E. and Montlake Blvd. around-the-clock Nov. 13-16 Delmar Drive E. reduced to a single lane between E. Interlaken Blvd. and 11th Ave. E. during daytime Nov. 14 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 – Nov. 24 (weekdays) Activities Portage Bay piledriving schedule: Week of Nov. 9 – 15 Contact Info Email: sr520bridge@wsdot.wa.gov 24-hour construction hotline: 206-319-4520