Eastbound SR 520 off-ramp to Montlake Blvd. closed nightly April 20-23 & 27-30 Date: April 20, 2026 to April 30, 2026 Time: 10 p.m. to 6 a.m. nightly (excluding weekends) Activity details: Ramp closure Impact type: NighttimeOvernightTrafficNoise Description: Crews will use these closures to prepare for an upcoming traffic shift of the off-ramp scheduled for later this spring. This work is part of the SR 520 Portage Bay Bridge and Roanoke Lid Project. Traffic: The eastbound SR 520 off-ramp to Montlake Blvd. in Seattle will close nightly for construction beginning at 10 p.m. until 6 a.m. on the dates of April 20-23 and 27-30. All traffic from I-5 entering eastbound SR 520 during these hours will pay the SR 520 Bridge Toll with this ramp closed. Those who do not want to pay the toll or who need to access Montlake Blvd. from I-5 must take alternate routes. Eastbound SR 520 remains open across Lake Washington. Closures today Boyer Ave. E. between E. Roanoke St. and Everett Ave. E. reduced to a single lane Feb. 18 – May 1 Upcoming closures Eastbound SR 520 off-ramp to Montlake Blvd. closed nightly April 20-23 & 27-30 Boylston Avenue E. between E. Roanoke St. and E. Louisa St. closed April 20-22 nightly SR 520 closed between Montlake Blvd. and I-5 in Seattle overnight April 25 Contact Info Email: sr520bridge@wsdot.wa.gov 24-hour construction hotline: 206-319-4520
