Photos: Alaskan Way Viaduct Replacement Project timeline (south view)
Step 3 - Alaskan Way Viaduct Project (southeast view)
Credit: WSDOT
Spring 2011
A. Continue work on southbound SR 99 lanes. SR 99 reduced to two lanes in each direction Bus-only bypass lane on northbound SR 99 from S. Spokane Street to Holgate Street.
B. Alaskan Way S. permanently closed between S. Royal Brougham Way and S. Dearborn Street; traffic routed under viaduct. Complete new bike/ped path. Continue tail track relocation.
C. Northbound SR 99 detour on-ramp open to traffic; southbound SR 99 detour off-ramp to S. Atlantic Street under construction