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WSDOT Library and Planning Studies Archives:
Michel Wendt
360-705-7710

Current Planning Studies

This is a list of completed and underway planning studies conducted by WSDOT. The studies are sorted in order of highway number.

The statewide map of Planning Studies shows individual counties and allows the user to select an individual study or county for more detail.

Route(s)

Planning Study Title


CURRENTLY UNDER WAY

SR 302

SR 302 - Elgin Clifton Rd. to SR 16 Corridor Planning Study

US 395

US 395 (I-82 to I-182) Corridor Planning Study


COMPLETED IN THE LAST 5 YEARS

SR 3

2010 SR 3 Belfair Bypass

SR 3

2005 SR 3 (at SR 305) to SR 104 Corridor Planning Study Executive Summary (pdf 233 kb)

I-5

2011 I-5/Bakerview Value Planning Study

I-5

2012 I-5 Bellingham Ramp Reconstruction

I-5

2011 I-5 Joint Base Lewis-McChord (JBLM) Multi-Modal Corridor Study

I-5

2010 Ft. Lewis/McChord Transportation Analysis

I-5

2011 I-5 Bellingham - Bakerview Value Planning Study

I-5

2011 Grand Mound to Maytown-Stage 1

SR 9

2012 SR 9 - SR 204 Improvements

SR 9

2013 SR 9 Snohomish River Bridge Environmental Documentation

SR 19

2011 SR 19/20 Corridor Planning Study (6 mb) & Appendices (pdf 7.4 mb)

SR 20

Sherman Pass Scenic Byway Corridor Management Plan (partial) (pdf 3.7 mb)

I-90 

I-90 Bellevue to North Bend Corridor Study

I-90

1998 Mountains to Sound Greenway Implementation Plan (Executive Summary and Funding Plan) (pdf 3.6 mb)

I-90

2006 I-90 Center Roadway Study

I-90

2006 I-90 Bellevue to North Bend Corridor Planning Study - Eastgate to 465th

I-90

I-90 Issaquah Hobart Rd to I-90

I-90 

I-90 Snoqualmie Pass East Corridor Planning Study

SR 164

2010 SR 164 Corridor Planning Study - Phase 2

SR 167

2013 SR 167 Comprehensive Tolling Study (pdf 2 mb)

SR 305

2014 SR 305 Suquamish Way Intersection Improvement Project Phase 1 Report (pdf 2 mb)

SR 502

2010 SR 502 Widening EIS

SR 509

2012 SR 509 Tolling and Phasing Analysis

SR 509

2010 SR 509 Toll Feasibility Study

SR 516  

2013 SR 516 Corridor Planning Study 

SR 520

2011 SR 520 Multi-Modal Corridor Planning Study from I-405 to Avondale Road  

SR 532

2011 SR 532 East Camano Drive to I-5

SR 538

2011 Mount Vernon – College Way Value Planning Study

West Olympia

2010 West Olympia Access Study Executive Summary (pdf 1 mb), Background Reports (pdf 3 mb), Technical Memos (pdf 50 mb), and Assumption Document (pdf 5 mb)

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