SR 520 Construction Corner The go-to source for information on SR 520 construction and closures. Want to know about current or upcoming SR 520 construction closures and activities? You’ve come to the right place. Use the interactive map below to find detailed information on construction activities and closures as it is available. Visit the WSDOT travel map for travel conditions across the region. Closures Montlake Blvd. between E. Louisa St. and E. Roanoke St. reduced to one lane in each direction July 22-24 Westbound SR 520 between Montlake Blvd. and I-5 closed nightly Aug. 10-13 Eastbound SR 520 off-ramp to Montlake Blvd. closed nightly Aug. 11 & 12 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 – September 1 (excluding Sundays) Single lane on eastbound SR 520 between I-5 and Montlake Blvd. closed nightly July 22 – September 1 (excluding Sundays) Activities Vibratory casing installation in Portage Bay schedule: Week of July 20-26 Note: This tool is presented for planning purposes only. Construction work is dependent on weather and other factors. Activities are subject to change.
