Two August Weekend Closures For Mercer Street on and off ramps

Two full weekend closures of I-5 on- and off-ramps at Mercer St. scheduled for August

SDOT announces the next two confirmed weekend closures of the I-5 on- and off-ramps at Mercer St. as part of the Mercer Corridor Project. Closures will occur the following weekends in August:

  • August 12 – 15
  • August 26 – 29

These confirmed dates will be the only closures of the I-5 on- and off-ramps at Mercer St. for the month of August. Closure hours are scheduled for Fridays at 11:00 p.m. to Mondays at 5:00 a.m. Detour route maps are available:

Access from I-5 Detour Map
Access to I-5 Detour Map

The Washington State Department of Transportation will be concurrently closing all lanes on SR 520 from 11:00 p.m. Friday, August 26, to 5:00 a.m. Monday, August 29, between Montlake Boulevard in Seattle and Interstate 405 in Bellevue. SR 520 from I-5 to Montlake Boulevard will remain open to traffic. Details of the closure and detour maps are available at:
http://wsdot.wa.gov/Projects/SR520Bridge/WeekendClosures.htm.

Access to businesses will be maintained during construction.

Read the SDOT blog to learn more about the I-5 on- and off-ramp at Mercer St. weekend work!

Upcoming construction activities in August, including Mercer St. night work and rebuilding 9th Ave. N
Beginning week of August 8:

  • Night work on Mercer St. at Terry Ave. N and Boren Ave. N
  • Rebuilding 9th Ave. N between Aloha St. and Broad St.

Beginning week of August 15:

  • Night work on Mercer St. at 9th Ave. N
  • Westlake Ave. N underground electrical installations

Read the full construction notice for a map of upcoming construction activities and additional information.

Mercer St. East of Fairview Ave. N Closed
Mercer St. is closed between Fairview Ave. N and Minor Ave. N for approximately three months to accommodate underground utility installations including electrical and communications lines. Work is scheduled for daytime during the week, but the road closure will remain in place at all times. Nighttime and weekend work may occur if needed.

Access to businesses and residences will be maintained during construction and will be coordinated directly with property owners and managers.

Seattle area construction closures and traffic impacts

Previous construction updates

Recommended Routes During Construction

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