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:
On three weekends, July 22 to July 25; July 29 to Aug. 1 and Aug. 5 to Aug. 8, 11pm on Friday to 5am on Monday: The University Bridge will be closed to all traffic. Closures might begin as early as 8pm on Friday evenings. Closure of this thoroughfare tends to cause traffic congestion along nearby routes including I-5, so allow extra time to get around the region.
Saturday, July 30 and Sunday, July 31, 2am to 10am each day: Two lanes of northbound I-5 across the Ship Canal Bridge will be closed.
Saturday, July 30 beginning at 8am: Seafair Torchlight Parade will close streets and street lanes around Seattle Center. Eastbound Mercer St.will be closed between Warren and 5th Avenues N. Beginning at 12pm, southbound 5th Ave. N. between Mercer and Broad, Broad St. between 5th Ave. N. and Denny Way, and 4th Ave. through downtown will be closed. All Seattle Center garages will remain open during the closures.
Thursday, Aug. 4 through Sunday, Aug. 7, 1:15pm-2:40pm each day and 9:30am-noon additionally on Thursday: I-90 will be closed between I-5 and Mercer Island during the Seafair Airshow featuring the Blue Angels.
Further Notice: There
will be weekday (6am-2pm) and Saturday lane closures north and southbound along
Aurora Ave. N. on the Aurora Bridge during materials staging for the bridge
into the Future:
Eastbound and westbound SR-520 across the new floating bridge is open for
public access. The old SR-520 bridge will be closed in both directions between Montlake Blvd and 92nd
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.
Bay Seawall Project:
Construction work between Pine and Pike streets is underway. This work is
scheduled to be complete in mid-2017. The Seattle Aquarium and other waterfront
businesses will remain open and access will be maintained at all times.
construction between Pine and Pike Streets will remove on-street parking, trees
and some sidewalks. Access to the Seattle Aquarium, Waterfront Park and businesses
will be maintained.
construction expands to the Colman dock area, ferry access for bicyclists and
vehicles will shift to Yesler. Please follow the direction of flaggers and
signage to access your destination.
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