In advance of the permanent closure of the Alaskan Way Viaduct, the Washington State Department of Transportation has released four videos to help drivers understand what SR 99 will look like when it opens in early February.
The viaduct will close on January 11 at 10 p.m. WSDOT crews will then begin three weeks of work to move SR 99 to connect to the new tunnel and build ramps before it can open.
WSDOT says when the tunnel opens, getting to and from Seattle on SR 99 will be a very different experience.
The two-mile tunnel runs underneath downtown Seattle. It has two lanes in each direction with entrances and exits near the Space Needle to the north and the stadiums to the south.
It does not have mid-tunnel entrances and exits for downtown Seattle other than the two portals, so drivers will have to get used to new routes.
In addition, WSDOT says it will take up to two more weeks after the tunnel opens to complete a new northbound off-ramp to downtown Seattle, immediately south of the tunnel. So during that time, drivers who want to access downtown Seattle on SR 99 from the south will have to use the tunnel and exit near the Space Needle or take another route into downtown Seattle until the off-ramp is complete.
To help drivers navigate, WSDOT produced four videos, which we have embedded below:
Driving north to and through Seattle with the new SR 99 tunnel
Driving south to and through Seattle with the new SR 99 tunnel
Getting to northbound 99 from in and around Seattle with the new SR 99 tunnel
Getting to southbound SR 99 from in-and-around Seattle with the new SR 99 tunnel
You can find a full timeline for the SR 99 tunnel, viaduct, and Seattle closures at this link.
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