Road construction associated with the Mercer West project
is substantially complete, and North Portal construction related to the SR-99
viaduct and tunnel, is ongoing. Please take into account the following as you
route your way to and from Seattle Center, and allow extra time in your travels
during this critical period of transition on our roadways.
around the Mercer corridor are congested, consider other options to access I-5
and SR-99 using entry points south of Seattle Center, along 2nd Ave. and
5th Ave. Find information about alternate routes at: www.seattle.gov/transportation/mercercorridor.htm.
Following are scheduled lane and road closures:
mid-April 24/7: North and southbound
lane closures on Aurora Ave. N. between the Aurora Bridge and Highland Dr.
during installation of foundations for overhead traffic signs. An additional
lane will be closed at night and on some weekends, TBA.
Through late April: The
Evergreen Point Road Transit Center on SR 520 will be closed.
Until further notice, 9pm
to 5am nightly: Two right lanes of northbound SR-99
across the Aurora Bridge will be closed.
Starting in the morning of Monday, April 25: Eastbound SR-520 across
the new floating bridge will open for public access, marking the full opening of the new floating bridge in both directions.SR-520 will be closed in both directions
between Montlake Blvd and 92nd Avenue.
Starting in the morning of Friday, April 29 for two weeks
: The Alaskan Way Viaduct will close in both directions between S. Spokane St. and the south end of the Battery Street Tunnel. Learn more at: www.99closure.org.
Saturday, May 7, 10am-4pm: Expect traffic delays in Seattle’s Montlake
neighborhood. The Montlake Bridge will be closed to vehicle and foot traffic so
boats can sail for Opening Day of Seattle’s boating season. The westbound SR
520 off-ramp to Montlake Blvd and the left-turn lane of the eastbound SR 520
off-ramp to northbound Montlake Blvd will also be closed.
May 20 at 11pm to Monday, May 23 at 5am: Westbound I-90 will be closed between Bellevue
and Seattle, and traffic will be diverted to the center roadway.
June 3 at 11pm to Monday, June 6 at 5am: Westbound I-90 will be closed between Bellevue
and Seattle and traffic will be diverted to the center roadway.
Until SR-99 Tunnel
opens to traffic: 6th Ave N is
closed between Thomas and Republican streets. Harrison St. is closed between
Aurora Ave. N and Broad St. Republican St. is closed between Aurora Ave. N and
6th Ave N.
Elliott Bay Seawall Project: Seawall
construction has move to between Pine and Pike Streets. Impacts include:
removal of sidewalk and on-street parking and trees and installation of a water
treatment facility at Virginia St. and Alaskan Way. As seawall construction
expands to the area adjacent to Colman Dock, ferry access for bicyclists and
vehicles will shift to Yesler Way. Pedestrian access will be maintained via the
Marion St. pedestrian bridge, and at street-level between Marion and Columbia St.
Access to the Seattle Aquarium, Waterfront Park, and businesses will remain
For the SR-99 tunnel
project, visit www.alaskanwayviaduct.org or call 1-888-298-5463.
King County Metro at www.kingcounty.gov/metro or call 206-553-3000.
Sound Transit at www.soundtransit.org.
Community Transit at www.commtrans.org.
Center Monorail at www.seattlemonorail.com