Alaskan Way Viaduct to close overnight Saturday

Posted on Dec 4 2014 4:34 PM
Both directions of State Route 99 will close overnight Saturday between the West Seattle Bridge and the north end of the Battery Street Tunnel. 
The closure – which will last from 11:59 p.m. Saturday, Dec. 6 to 5 a.m. Sunday, Dec. 7 – will allow crews to move heavy equipment across the roadway and conduct survey work on SR 99.