Montlake Blvd. closed between E. Hamlin St. and E. Louisa St. around-the-clock Aug. 21-24

Date: 8/21/2026 to 8/24/2026

Time: 10 p.m. Friday, Aug. 21, to 6 a.m. Monday, Aug. 24

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 Aug. 21-24 weekend closure, crews will:

• Install three new mast-arm sign structures (two northbound and one southbound)
• Remove the large sign bridge spanning Montlake Boulevard just south of SR 520
• Mount new signs on the mast-arm structures
• Install a new southbound sign north of SR 520 that will be mounted on an existing utility pole

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