ALERT: Opening Day of Boating Season daytime closures in Montlake on May 2

Major changes are coming to your SR 520 commute. Read more about upcoming traffic shifts on our blog.

Eastbound SR 520 off-ramp to Montlake Blvd. closed nightly April 30, May 4-7 and 11-14

Date: April 21, 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 30, May 4-7, and May 11-14.

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.

Contact Info

Email:  sr520bridge@wsdot.wa.gov 24-hour construction hotline: 206-319-4520