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Olympic Region Completed Studies

The Olympic Region Planning Office conducts and manages highway corridor plans, feasibility studies, and other planning activities within the Clallam, Grays Harbor, Jefferson, Kitsap, Mason, Pierce and Thurston counties. Below is a list of completed studies which are available.

For more information about these studies contact Nazmul Alam (360) 704-3207 or Dennis Engel (360) 357-2651


Highway 

 Document
Date

Agency

Title 

SR 3

1/21/2015

WSDOT

SR 3/SR 304 Bremerton Interchange Improvements Feasibility Study

SR 3

5/1/2013

WSDOT

SR 3 Belfair Bypass Revised Environmental Assessment

SR 3

6/23/2010

WSDOT

SR 3 Belfair Bypass Proviso Report 

SR 3

8/1/2011

WSDOT

SR 3 Belfair Bypass Transportation Discipline Report

SR 3

12/1/2011

WSDOT

SR 3 Belfair Bypass Land Use & Relocation Discipline Report

SR 3

6/30/2009 

WSDOT

Summary Report Proposed SR 3 Belfair Bypass 

SR 3

3/1/2012 

WSDOT

Bremerton Economic Development Study (BEDS) 

SR 3

6/23/2010

WSDOT

Johns Prairie Road Proviso Report

SR 3

6/1/2012 

WSDOT 

Sinclair Inlet Development Concept Plan 

SR 3

5/1/1997

WSDOT

Belfair Bypass Analysis, State Route 3

SR 3

9/1/1992

WSDOT

SR 3: SR 106 to Gorst Design Study

SR 3

5/1/1996

Kitsap

SR 3/SR 304 Bremerton Ferry Terminal to Gorst Highway Improvement Project FEIS

SR 3

5/1/1985

WSDOT

SR 3/SR 16 Gorst Vicinity - FEIS

SR 3

4/1/2005

WSDOT

SR 3 Route Development Plan (SR 3 from SR 305 to SR 104)

SR 3

9/1/1996

WSDOT

SR 3/SR 303 Waaga Way Interchange Study

SR 3 10/21/2015 WSDOT SR 3/SR 304 Bremerton Interchange Improvements Feasibility Study

 I-5

1/5/2011 

WSDOT 

I-5 License Plate Survey Draft Report TRPC 

 I-5

 9/1/2003

WSDOT

 I-5 Toutle Park Road to Maytown Final EIS and Appedices

 I-5

 7/1/1987

WSDOT

I-5 Study - Toutle River to Tumwater

 I-5

 5/26/2009

WSDOT

 I-5/North Lewis County Interchange Feasibility Study

 I-5

12/1/2005

WSDOT

I-5 Fort Lewis Congestion Study

 I-5

12/1/1995 

WSDOT 

Final Land Use Technical Report 

 I-5

10/1/1993 

WSDOT 

I-5 Mounts Road I/C to Port of Tacoma I/C HOV Study 

 I-5

3/1/1993 

WSDOT 

Pierce County I-5 Corridor Study

 I-5

7/1/1991 

WSDOT 

I-5 South Interim HOV Project - Final Recommendations Report 

I-5

7/1/1991

WSDOT

I-5 South Interim HOV Project - Appendices

 I-5

10/1/1998

WSDOT

I-5 & SR 16 Tacoma Vicinity HOV Lanes EA

 I-5

6/1/2001

WSDOT

Tacoma Mall Direct Access Feasibility Study

 SR 7

3/1/2006

WSDOT 

SR 7 Route Development Plan Morton to Elbe Vicinity 

SR 8

6/1/1994 

WSDOT

SR 8 McCleary Interchange Study 

US 12

12/1/1998 

WSDOT 

US 12 - Aberdeen to Grand Mound 

US 12

11/1/2005

WSDOT 

US 12 Black River Bridge Feasibility Study 

US 12

8/9/2012

WSDOT

US 12 Chehalis Safety Study 

SR 16

1/1/1994 

WSDOT/Kitsap/Bremerton

SR 16/SR 3 Corridor Analysis Report

SR 16

1/1/1994 

WSDOT/Kitsap/Bremerton

SR 16/SR 3 Corridor Analysis Executive Summary

SR 16

1/1/2000 

WSDOT

SR 16/Union Avenue Vicinity to SR 302 Vicinity - Final EIS Volume 1 

SR 16

1/1/2000

WSDOT

SR 16/Union Avenue Vicinity to SR 302 Vicinity - Final EIS Volume 2 Appendices

SR 16

1/1/2000

WSDOT

SR 16/Union Ave Vicinity to SR 302 Vicinity - Final EIS Vol. 3 Responses to Comments on Draft EIS

SR 16

12/31/1991 

WSDOT

SR 16 Capacity Study 

SR 19

2/1/2011 

WSDOT 

SR 19/SR 20 Corridor Plan SR 104 to Port Townsend Ferry Terminal 

SR 20

7/1/2006 

WSDOT 

Port Townsend Ferry Terminal Preservation and Improvement Project 

US 101

8/1/2010 

Olympia 

West Olympia Access Study 

9/1/2009

Jamestown S'Klallam 

East Sequim Bay Road Access Point Interchange Justification Report 

US 101

1/1/2007 

WSDOT 

US 101 Regional Circulation Project

US 101

3/1/1997 

WSDOT 

US 101 Washington Coastal Corridor Master Plan 

US 101

11/1/1997 

WSDOT 

US 101 Lake Crescent Alternatives Analysis - Final Report 

US 101

3/1/1993 

WSDOT 

US 101 O'Brien Road to Palo Alto Road FEIS Volume 1 

US 101

3/1/1993

WSDOT

US 101 O'Brien Road to Palo Alto Road FEIS Volume 2

US 101

10/1/1992 

WSDOT 

US 101 - SR 12 to SR 109 Feasibility Report 

US 101

2/1/1999 

WSDOT 

SR 101 Connector Study Phase 2 Feasibility Analysis 

US 101

4/1/2000 

WSDOT 

US 101 Aberdeen-Hoquiam Corridor Project - Final EIS Volume 1 

US 101

4/1/2000 

WSDOT 

US 101 Aberdeen-Hoquiam Corridor Project - Final EIS Volume 2 Appendices

US 101

4/1/2000

WSDOT

US 101 Aberdeen-Hoquiam Corridor Project - Final EIS Summary

US 101

4/30/1999

WSDOT

US 101 Aberdeen-Hoquiam Corridor Project - Final EIS Relocation Study

US 101

2/1/1999

WSDOT

US 101 Aberdeen-Hoquiam Corridor Project - Final Environmental Justice

US 101

10/1/1994

WSDOT

US 101 Aberdeen-Hoquiam Corridor Project - Final Transportation Survey Results

US 101

10/1/1995

WSDOT

US 101 Aberdeen-Hoquiam Corridor Project - Final Economics

US 101

1/1/1996

WSDOT

US 101 Aberdeen-Hoquiam Corridor Project - Final Wetlands

US 101

11/1/1998

WSDOT

US 101 Aberdeen-Hoquiam Corridor Project - Final Year 2020 Traffic Analysis

US 101

4/1/2001 

WSDOT

US 101 and Lynch Road Intersection Safety Improvement Study 

US 101

2/1/2000 

WSDOT 

US 101 Port Angeles Alternative Study Report of Progress to Date 

US 101

9/1/2013 

WSDOT

US 101/SR 8 Technical Traffic Operations Analysis

SR 104

5/1993 

WSDOT 

Kingston Community Design Study Final Report 

12/1/1990 

Kitsap County 

Kingston Traffic Design Study 

SR 105

12/1/1998 

WSDOT 

A Highway between the Bays- A Management Plan for SR 105 Corridor 

SR 107

6/1/1997 

Grays Harbor

Route Development Plan - Blue Slough Road and SR 107 Phase I Reconnaissance 

SR 107

10/1/1997 

Grays Harbor 

Route Development Plan - SR 107 and SR 101 Phase II Route Development Plan

SR 109

4/1/2006 

Grays Harbor

Pacific Beach Downtown Redevelopment Plan 

SR 109

4/1/2010 

WSDOT 

The Hidden Scenic Byway Corridor Management Plan 

SR 112

5/1/2000 

WSDOT

The Strait of Juan de Fuca Highway A Management Plan for the State Route 112 Corridor 

SR 160

5/1/1998 

WSDOT 

SR 160 Route Development Plan SR 16 to Southworth Ferry 

SR 160

6/28/1991 

WSDOT

Southworth Ferry Terminal Access Study

SR 160

6/28/1991

WSDOT

Southworth Ferry Terminal Access Study Executive Summary

SR 161

1/1/1997

WSDOT 

SR 161 Route Development Plan (Graham Vicinity to King County Line) 

SR 161

5/1/2004 

WSDOT 

SR 161 Route Development Plan SR 7 to Graham 

SR 162

1/1/1997

WSDOT 

SR 162 Route Development Plan SR 410 - Junction SR 165 

SR 162

6/1/1996 

WSDOT 

SR 162 Resident & Business Survey (for the RDP) 

SR 162 6/1/2017 WSDOT SR 162 Sumner to Orting Congestion Study

SR 167

4/1/1999 

WSDOT 

SR 167 Corridor Adoption - Puyallup to SR 509 Pierce County Tier 1 Final EIS 

SR 167 11/9/2006 WSDOT SR 167 Puyallup to SR 509 Tier II FEIS

SR 167

7/13/2005 

WSDOT

I-5 and SR 167 Interchange - Access Point Decision Report 

SR 167

10/9/2001 

WSDOT 

SR 167 Tier 2 EIS Land Use/Farmland/Social-Economic Discipline Report 

SR 167

10/31/2001

WSDOT 

SR 167 Tier 2 EIS  Displacement and Relocation Discipline Report

SR 167

7/1/2013

WSDOT 

SR 167 Puyallup to SR 509 SR 167 Puyallup River Bridge Replacement Supplemental EIS 

SR 302

7/1/1993 

WSDOT 

SR 302 Corridor Study 

SR 303

5/1/2001

WSDOT 

SR 303 Bremerton to Silverdale Corridor Study O and D 

SR 303

6/1/2002

WSDOT 

SR 303 Bremerton to Silverdale Transportation Corridor Study 

SR 305

4/1/1997 

WSDOT 

SR 305 Corridor Analysis Major Investment Study 

SR 305

2/1/2005 

WSDOT 

SR 305 Vicinity Poulsbo South City Limits to Bond Road Environmental Assessment

SR 305

5/1/2005 

WSDOT 

SR 305 Vicinity Poulsbo South City Limits to Bond Road Errata for Feb 05 Environmental Assessment Findings of Non Significant Impacts

SR 305

5/1/2011 

Kitsap Transit 

SR 305 Corridor Enhanced Transit Alternatives Analysis Technical Study Final Report 

SR 305

10/1/2007

WSDOT 

Bainbridge Island Ferry Terminal Improvement Project 

SR 305

8/1/2014 

WSDOT 

SR 305 Suquamish Way Intersection Improvement Project 

SR 410

11/1/1997 

WSDOT 

SR 410 Route Development Plan - SR 167 to King County Line 

SR 507

1/1/1998 

WSDOT 

SR 507 Route Development Plan - Lewis County Line to Junction SR 7 

SR 509

10/1/1989 

WSDOT

SR 509 East-West Corridor, I-705 to E 11th St and Marine View Drive - Transportation Discipline Report Vol. 1

SR 509

10/1/1989 

WSDOT 

SR 509 East-West Corridor, I-705 to E 11th FEIS Vol. 1 & 2

SR 509

10/1/1991 

WSDOT 

SR 509 East-West I-705 to E 11th Design Report 

SR 509

2/1/1989 

Port of Tacoma 

SR 509 Alternatives Analysis - Traffic Service 

SR 509

1978 

WSDOT 

SR 509 (I-705) Pacific Ave. I/C to Port of Tacoma Road I/C FEIS 

SR 509

3/1/2015 

Tacoma 

SR 509 East D Street Interchange Project

SR 509

3/1/1992 

WSDOT 

SR 509 East-West Corridor Project - Bridge Type, Size and Location Report

SR 510

11/1/1997 

WSDOT 

SR 510 Route Development Plan - I-5 to Junction SR 507 

SR 510

3/1/1999 

WSDOT 

Y2/Y3 Corridor Study - Alternatives Analysis Report 

SR 510

4/1/1999 

WSDOT/Yelm 

Y2/Y3 Corridor Study - Draft Environmental Assessment 

SR 512

6/1/1993 

WSDOT

SR 512/SR 167 HOV Study - Final Report 

SR 512

6/1/1992 

WSDOT 

SR 512/SR 167 HOV Facility Design Study - Memo #1 - Data Collection/Existing Conditions 

SR 512

6/1/1992 

WSDOT 

SR 512/SR 167 HOV Facility Design Study - Memo #2 - Year 2000/2010 Traffic Projections

SR 512

6/1/1992 

WSDOT

SR 512/SR 167 HOV Facility Design Study - Memo #3 - HOV Alternative Development and Evaluation

SR 512

3/1/1993 

WSDOT

SR 512/SR 167 HOV Study Memo #4 - Recommended HOV Alternative 

SR 704

6/1/2002 

WSDOT 

Cross-Base Highway Supplemental Draft EIS

SR 704

6/1/1992 

Pierce County 

Cross-Base Corridor Study - Project Report Appendix C Initial Concepts Considered 

SR 704

5/1/1992 

Pierce County 

Cross-Base Corridor Discipline Reports 

I-705

 

WSDOT 

I-705 Design Report 

I-705

 

WSDOT 

I-705 Structural Report 

I-705

 

WSDOT

I-705 Drainage Report