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Seattle Center Advisory Commission
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Mercer Corridor Project, SR 520 and Alaskan Way Viaduct Update
mercer corridor project (MCP)
Ongoing – Mercer St. is reduced to two eastbound lanes and the sidewalk along the north side of Mercer will be closed between 5th Ave. N and Dexter Ave. N. The SR-99 northbound exit at Mercer St. and the southbound exit at Broad St. are closed permanently.
Through December -- Please be aware of road, curb and sidewalk work along the south side of Mercer St., between Warren and 3rd Avenues, working west to east, through December. The work will close the sidewalk adjacent to Mercer St., and signage will make access points to campus at the intersections of Warren Ave.N., 2nd Ave. N., and/or 3rd Ave. N. The best access to campus from Mercer Garage is via the Mercer Skybridge.
Friday, Dec. 6 at 11:59 pm - Monday, Dec. 9 at 5 am and Friday, Dec. 13 at 10 pm - Monday, Dec. 16 at 5 am -- SR 99 will be closed in both directions between the Battery Street Tunnel and Valley St. Mercer St. will be closed between 5th Ave. N. and Dexter Ave. N.
Southbound SR 99 access to Seattle Center at Valley St. will be maintained through the weekend closures. To access I-5 via eastbound Mercer St. from Seattle Center, turn right onto southbound 5th Ave. N., turn left onto Harrison St. and turn left onto northbound Broad St. which connects with Mercer at 9th Ave. N.
viaduct / SR-99 tunnel, SR-520 & I-5
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.
Friday, Nov. 19, at 11 pm through Monday, Nov. 12, 5 am -- SR 99 will be closed from south of the Battery Street Tunnel to Valley St.
If you have comments/questions about the Mercer Corridor Project, please call the 24 hour construction hotline: 206 419-5818 or email: email@example.com.
For the SR-99 tunnel project, visit www.alaskanwayviaduct.org or call 1-888-298-5463.