Photos: Alaskan Way Viaduct Replacement Project timeline (south view)
Step 5 - Alaskan Way Viaduct Project (southeast view)
Credit: WSDOT
Fall 2011
A. SR 99 closed for nine days while section of viaduct demolished.
B. Northbound SR 99 on-ramp remains open during this period.
C. Complete connection between permanent SR 99 lanes and detour.
D. Southbound SR 99 detour off-ramp to S. Atlantic Street complete.
