Montlake Boulevard on-ramp to westbound SR 520 closed nightly Oct. 13-14 Date: Oct. 13, 2026 to to the morning of Oct. 15, 2026 Time: 10 p.m. to 6 a.m. nightly Activity details: Ramp closure Impact type: OvernightTrafficNoise Description: Crews will use these closures to mobilize in construction equipment. This work is part of the SR 520 Portage Bay Bridge and Roanoke Lid Project. Traffic: The Montlake Boulevard on-ramp to westbound SR 520 will close for construction nightly beginning at 10 p.m. until 6 a.m. The ramp will reopen at 6 a.m. each of the following mornings. Travelers from Montlake Boulevard wanting to access westbound SR 520 or I-5 will need to use alternate routes. Closures Eastbound SR 520 off-ramp to Montlake Boulevard closed nightly Oct. 5-6, Oct. 8 & Oct. 10 Westbound SR 520 off-ramp to northbound I-5 and East Roanoke Street closed nightly Oct. 5-8, Oct. 19-22, & Oct. 26-29 Boyer Ave. E. between E. Roanoke St. and Everett Ave. E. closed nightly Oct. 12-15 Montlake Boulevard on-ramp to westbound SR 520 closed nightly Oct. 13-14 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 – Oct. 23 (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
