Transportation Data, GIS & Modeling

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Drawings for new interchange locations are only available through the WSDOT Interchange Viewer Web App.

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Interchange Viewer

SR 99

 

The following drawings are ordered by milepost (MP) for the state route (SR) and are in .pdf format:

 

Drawings for SR 99
  MP 22 - SR 599/Tukwila International Blvd
  MP 23 - S 102nd St
  MP 24 - 14th Ave/Des Moines Way S
  MP 25 - Cloverdale St/8th Ave
  MP 26 - SR 509
  MP 26A - Michigan St/E Marginal Way
  MP 28 - E Marginal Way
  MP 29 - W Seattle Freeway/Spokane St (under freeway)
  MP 31 - SR 99 Alaskan Way Viaduct
  MP 32 - Western Ave/Elliot Ave
  MP 32A - Denny Way
  MP 33 - Dexter Ave
  MP 34 - N 38th St
  MP 35 - NE 45th St
  MP 36 - 63rd Ave N
  MP 43 - SR 104/SR 104 SP Aurora
  MP 50 - SR 525

 

 

The following drawing includes the State Route that you have selected, but is referenced under
a different state highway:

Additional Drawings Associated with SR 99
  SR 5/Exit 137 - SR 99/54th Ave E
  SR 5/Exit 189 - SR 99/SR 526/SR 527
  SR 518/MP 2 - SR 99