Update: 99/Viaduct partial closure tonight; more traffic notes

March 22, 2012 at 5:25 pm | In Alaskan Way Viaduct, West Seattle news, West Seattle traffic alerts | 11 Comments

(UPDATED 8:41 PM with more traffic effects tonight, and tomorrow)

Drive 99? Note that the weekend closure mentioned on the sign is NOT the only Highway 99 closure ahead:


EARLY SATURDAY TILL EARLY MONDAY: 99/Viaduct is closed both ways, 6 am Saturday till 5 am Monday (if it reopens earlier, we’ll publish an update).

THEN, TWO WEEKS LATER: The Viaduct/99 will close again from 11 pm Friday, April 6th, till 5 am Monday, April 9th.

ADDED 8:41 PM: Sorry to have not had this all in one place sooner but there are a variety of things to note for tonight, and tomorrow, besides tonight’s overnight 99/Viaduct closure. First, from the weekly lookahead:

*Tonight, per SDOT: “The 1st Ave S off-ramp from the West Seattle Bridge will be closed overnight. The 4th Ave off-ramp will remain open from the Spokane Street Viaduct for access to the SODO and downtown area.”

*Also tonight, per SDOT: “The northbound on-ramp from S Royal Brougham Way to the Alaskan Way Viaduct (SR99) will be closed overnight.”

*And more for tonight: “A single eastbound lane on the Spokane Street Viaduct will be closed overnight. Access to I-5 will be maintained.”

*Yet more for tonight: “Eastbound S Spokane St will be closed between East Marginal Way S and 1st Ave S each night.”

*And for Friday morning, this too from SDOT, announced late today: “Tomorrow morning, March 23, motorists traveling in the vicinity of the Seattle Center may encounter heavier traffic than usual. Between the hours of 9 a.m. and 1 p.m. a crowd of 3,500 or more will be attending a private event at the Key Arena. Traffic could build in the area as early as 7 a.m. and likely will impact the morning commute between the Center grounds and I-5. Charter buses will be unloading and loading attendees during the event on streets near the Key Arena.” (Multiple WSB’ers tell us the “private event” is the Amazon all-hands meeting.)


  1. thats a bad sign

    Comment by smokeycretin9 — 5:39 pm March 22, 2012 #

  2. Probably lucky none of us was born under it.

    Comment by chas redmond — 5:45 pm March 22, 2012 #

  3. Hmmm…good to know before getting 1/2 down Admiral and wondering why there is a lineup, or worse coming down off of Fauntleroy and suddenly remembering we read about this in the WSB…

    Comment by JayDee — 6:15 pm March 22, 2012 #

  4. And there are some Spokane St. Viaduct changes tonight too. AND then we just got word of something at KeyArena tomorrow morning that might snarl traffic between Seattle Center and I-5. Look for additions here!

    Comment by WSB — 6:26 pm March 22, 2012 #

  5. I am at work and was planning on using sb 99 tonight. Any idea what time it closes? I checked Wsdot site but only saw info about weekend.

    Comment by Worker — 7:45 pm March 22, 2012 #

  6. Worker – I’ll check some other spots and see what I can come up with. (ADDED) 9 pm, according to the chart on this page, which is updated every Thursday with the LOOONG list of what’s up on the roads … http://www.seattle.gov/transportation/constructionlookahead.htm

    Comment by WSB — 8:10 pm March 22, 2012 #

  7. Thanks! I am so glad you mentioned 99 closure since I had no idea.
    Amazon meeting tomorrow at Key Arena.

    Comment by Worker — 8:32 pm March 22, 2012 #

  8. Now why couldn’t they have the Water Taxi running this weekend when the Viaduct is closed? Wouldn’t that make a lot of sense. Annoying

    Comment by Wet — 8:43 pm March 22, 2012 #

  9. The DOT really has it in for West Seattle.

    Comment by LivesinWS — 10:23 pm March 22, 2012 #

  10. Yes, LivesinWS, all of this road work is being done only because SDOT “has it in for West Seattle,” there is obviously no other reason for this work than to punish West Seattle. I’m glad we have geniuses like you to point that out for us.

    Comment by godofthebasement — 10:35 am March 23, 2012 #

  11. If we were Mercer Island, we would not be having the same experience. Money talks and also neighborhood coalisions. We must not have any attorneys living in WS that believe the road design is a backwards twist of negative economic impact on WS.

    Comment by Elizabeth — 1:40 pm April 8, 2012 #

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