Montlake Blvd. closed between E. Hamlin St. and E. Louisa St. around-the-clock July 17-20

Date: 7/17/2026 to 7/20/2026

Time: 10 p.m. Friday, July 17, to 6 a.m. Monday, July 20

Activity details:

Impact type:

Crews will close Montlake Boulevard between East Hamlin Street and East Louisa Street, as well as some surrounding streets and ramps, including:

• The Montlake Boulevard on-ramps to eastbound and westbound SR 520.
• The eastbound SR 520 off-ramp to Montlake Boulevard.
• A 300-foot-long section of East Roanoke Street west of Montlake Boulevard.
• Lake Washington Boulevard between Montlake Boulevard and 24th Avenue East.

The westbound SR 520 off-ramp to northbound Montlake Boulevard will remain open. Crews will maintain a path for people walking, biking and rolling to cross SR 520 on Montlake Boulevard, with a limited detour south of SR 520.

Work during this closure

During the July 17-20 weekend closure, crews will:

• Dig, form and pour concrete foundations for three new mast arm structures on Montlake Boulevard.
• Remove the foundations of the third, uninstalled sign bridge that was planned to be installed on Montlake Boulevard south of East Hamlin Street.
• Replace roadway panels on Montlake Boulevard and East Roanoke Street.

This work requires a temporary noise variance from the city of Seattle, and nearby neighbors will be offered a hotel. Nearby neighbors can expect to hear construction noise and potentially feel vibration from concrete sawing, excavation, digging, hauling, vacuum truck operations and concrete pours.

Looking for more information about the Montlake sign structure work? Visit our webpage here.