Eastbound SR 520 off-ramp to Montlake Boulevard closed nightly Oct. 12-15 Date: Oct. 10, 2026 to morning of Oct. 16, 2026 Time: 10 p.m. to 6 a.m. nightly Activity details: Ramp closureHigh-impact construction Impact type: TrafficNoise Description: Crews will use these nightly closures to continue work on removing the old off-ramp and delivering materials needed for an upcoming traffic shift in 2027. Traffic: The eastbound SR 520 off-ramp to Montlake Boulevard in Seattle will close for construction beginning at 10 p.m. until 6 a.m. overnight on Saturday, Oct. 10, and nightly on Oct. 12-15. During this time, all traffic from I-5 entering eastbound SR 520 will cross Lake Washington and 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 from I-5 must use alternate routes. Closures Eastbound SR 520 off-ramp to Montlake Boulevard closed nightly Oct. 12-15 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 Southbound I-5 off-ramp to eastbound SR 520 closed overnight Oct. 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 Portage Bay piledriving schedule: Week of Oct. 12-18 Contact Info Email: sr520bridge@wsdot.wa.gov 24-hour construction hotline: 206-319-4520
