Weekend closures could snarl traffic
All lanes in both directions of the Viaduct will be closed between South Spokane Street and the Battery Street Tunnel from 5 a.m. to 6 p.m. Saturday. A similar closure will occur Sunday from 6 a.m. to 6 p.m.
Additionally, crews working on the Mercer Corridor Project will close a section of SR 99 north of downtown from 11 p.m. Friday to 5 a.m. Monday.
Westbound SR 520 will also close from 11 p.m Friday to 5 a.m. Saturday from 92nd Avenue Northeast to Montlake Boulevard in Seattle to continue work on the West Connection Bridge project.