Crews reopened the Alaskan Way Viaduct Saturday night after an inspection closure, but all northbound traffic still must exit at Western Avenue until 5 a.m. Monday.
A portion of SR 99 north of downtown, including the Battery Street Tunnel, will stay closed while crews install a sewer line beneath Aurora Avenue North.
Find an alternate route if you were thinking of exiting I-5 at Corson Avenue. The Corson Avenue South off-ramps from north and southbound I-5 will close from 9 p.m. Friday to 6 a.m. Saturday because crews are lane striping.
The right lane of southbound I-5 will be closed in the vicinity of Northeast 130th Street from 5 to 9 a.m. Saturday for sign work.
Weather permitting, the northbound I-5 ramps to the West Seattle Bridge and lower South Spokane Street/Sixth Avenue South will be closed from 10 p.m. Saturday until 6 a.m. Sunday for permanent striping.
All lanes of westbound SR 520 between 92nd Avenue Northeast and Montlake Boulevard will close from 11 p.m. Friday to 5 a.m. Saturday and the same time Saturday night to Sunday morning for concrete work. One lane will close at 9 p.m. with all lanes closing at 11 p.m.
Also, the Montlake Bridge is closed to traffic from 5 a.m. Saturday morning until 5 a.m. Monday morning for maintenance.
Anyone leaving town should also note that Southbound SR 529 at the Snohomish River Bridge will be closed from 8 p.m. Sunday to 4 a.m. Monday for bridge mechanical work, and a detour will be in place for drivers.