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Mercer Corridor Project

If you need this information translated, please call (206) 733-9990.
Si necesita traducir esta información al español, llame al (206) 733-9990.

The Mercer Corridor stretches from Interstate 5 to 5th Ave. W, and has been one of the City of Seattle’s most significant transportation challenges for over 40 years. SDOT is committed to improving the Mercer Street Corridor by 2016.

Learn more about the Mercer Corridor Project or subscribe to email alerts.

Last updated  03/30/2015

Nighttime lane restrictions on Dexter Ave. N begin March 23

Dexter Ave. N will be fully closed between Aloha and Mercer streets nightly between 8 p.m. and 5 a.m. Monday through Thursday. This closure will begin Monday, March 23 and is expected to continue weekly through late April. Travelers may expect the following during the closures:

  • Vehicles and bicycles will be detoured to 9th Ave. N.
  • Pedestrians may continue to use the east side of Dexter Ave. N between Roy and Republican streets.
  • All lanes on Mercer St. will be open.

Lane restrictions on Dexter Ave. N continue through April: 

Southbound Dexter Ave. N will be reduced to one lane at Mercer St. Monday through Friday from 9 a.m. to 2 p.m.as crews continue electrical work. This closure is expected to continue through late April.  Travelers may expect the following during these hours:

  • Southbound Dexter Ave. N will be reduced to one lane between Roy and Mercer streets.
  • Southbound bicyclists should merge with traffic
  • Pedestrians may continue to use the east side of Dexter Ave. N between Roy and Republican streets.

Previously announced Mercer St. and 5th Ave. N bike paths opening delayed until further notice
 
SDOT advises travelers that the opening of the new bike paths along Mercer St. and 5th Ave. N has been delayed until further notice. The lanes will remain coned off until the bike signal heads are activated. This will provide a completed system for cyclists and a more predictable environment for all travelers. 

Please obey signage and refrain from using areas that are roped or coned off. We will continue to provide updates as work progresses. Thank you for your continued patience as construction progresses in the corridor.

Intermittent lane closures on Mercer St. through spring 2015

Mercer St. between 1st Ave. N and 9th Ave. N will have intermittent lane closures during off-peak travel times between 9:00 a.m. and 3:00 p.m. to accommodate construction activities within the work zone. One westbound and up to two eastbound lanes will remain open on Mercer St. at all times.

Alternate routes through the corridor

With the closure of Broad St. and two-way traffic on Mercer St., Roy St., and Queen Anne Ave. N now in place, please consider using the following alternate routes during construction:

  • Use Roy St. as an alternate eastbound route through the Uptown neighborhood.
  • To access north Queen Anne, use Mercer St. and then proceed north on Queen Anne Ave. N.
  • Use eastbound Denny Way, 2nd Ave. or 5th Ave. to access I-5.
  • Use SR 99 and Elliott Ave. W as alternate routes to and from your final destination.
  • Access southbound SR 99 from Aloha or Valley streets.
  • To access northbound SR 99, use 2nd Ave. or 5th Ave. south from Denny Way and turn left on Battery St.

Route maps for navigating the corridor

Crews continue to monitor intersections throughout the corridor

We appreciate your patience as we work to improve flow throughout the corridor. Please continue to use alternate routes where possible and notify the project with any feedback, suggestions, or questions at mercerinfo@seattle.gov or (206) 419-5818.

Lane reductions on Mercer St. will continue throughout the West Phase of the Mercer Corridor Project, which is anticipated to be completed in mid-2015. Construction of this $95 million project will take approximately 2.5 years.


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