Delmar Drive East between 11th Avenue East and Interlaken Boulevard closed nightly June 15-18 Date: June 15, 2026 to Morning of June 19, 2026 Time: 10 p.m. to 6 a.m. nightly Activity details: Street and lane closure Impact type: OvernightTrafficNoise Description: Crews will use these nightly closures to mobilize construction equipment near the old Bagley Viewpoint. Traffic: Delmar Drive East between 11th Avenue East and Interlaken Boulevard will close in both directions nightly beginning at 10 p.m. until 6 a.m. on the nights of June 15-18. Signed detours will be in place. Please note that eastbound East Roanoke Street between 10th Avenue East and 11th Avenue East will be limited to local access only. Through traffic must follow the signed detours. Closures Delmar Drive East between 11th Avenue East and Interlaken Boulevard closed nightly June 15-18 Eastbound SR 520 off-ramp to Montlake Blvd. closed overnight June 22 Long-term closures Boyer Ave. E. between E. Roanoke St. and Everett Ave. E. reduced to a single lane daily Feb. 18 – June 12 Activities Vibratory casing installation in Portage Bay schedule: Week of June 8-14 Contact Info Email: sr520bridge@wsdot.wa.gov 24-hour construction hotline: 206-319-4520
