Alaskan Way Viaduct closure could impact Eastside traffic

October 20, 2011

NEW — 11:45 a.m., Oct. 20, 2011

The impending Alaskan Way Viaduct shutdown could cause traffic congestion to ripple far from the Seattle waterfront, transportation officials said days before the aging structure closes.

The state Department of Transportation plans to close the viaduct from 7:30 p.m. Friday until 5 a.m. Oct. 31 as crews demolish viaduct sections, build a bypass at the southern end and construct a southbound off ramp.

The planned closure is the longest ever for a Seattle-area highway. The viaduct serves almost 110,000 motorists each day — and roads throughout the region could clog as commuters seek alternate routes. Read more