Route(s) |
Planning Study Title |
| US 2 |
1999 Stevens Pass Greenway Corridor Management Plan (pdf 5.5 mb) |
| US 2 |
2007 US 2 - Snohomish to Skykomish Route Development Plan (completed) |
| SR 3 |
2005 SR 3 (at SR 305) to SR 104 Corridor Planning Study Executive Summary (pdf 233 kb) |
| SR 3 (includes US 101 to SR 102 and SR 16 to SR 3) |
2008 Bremerton Economic Development Study |
| I-5/SR 193/US 12/SR 124/US 395/SR 14/SR 432/SR 4/SR 401/US 101/SR 103 |
2001 Lewis and Clark Trail Highway Corridor Action Plan (pdf 7 mb) |
| I-5 |
2005 Fort Lewis Congestion Study Summary (pdf 65 kb) |
| I-5 |
2008 I-5 Conway to Cook Master Plan |
| I-5 |
2009 I-5 North Lewis County Interchange Feasibility Study (pdf 7.8 mb) |
| SR 7 |
2006 SR 7 Route Development Plan - study examines SR 7 between US 12 in Morton and SR 706; SR 706 and SR 702; SR 702 and SR 507 |
| SR 9 |
2008 SR 9 Route Development Plan) - study examines SR 522 to Schloman Road Vicinity |
| SR 10 |
1997 Swift Water Corridor Vision (pdf 5.9 mb) |
| SR 11 |
2003 Chuckanut Drive Corridor Management Plan (pdf 4.9 mb) |
| US 12 |
2008 Snake River Corridor Management/Ownership Transfer Plan (pdf 1 mb) |
| US 12 |
2002 US 12 (Walla Walla to Clarkston) Route Development Plan (pdf 1.4 mb) |
| US 12 |
2004 White Pass Scenic Byway Corridor Management Plan (pdf 6.7 mb) |
| US 12 |
2001 US 12 (Wildcat Creek to SR 410) (pdf 163 kb) |
| US 12/US 101 |
1999 US 101 to I-5 Corridor Planning Study Executive Summary (pdf 229 kb) |
| SR 14 |
1997 Columbia River Gorge National Scenic Area Corridor Management Plan (pdf 8.7 mb) |
| SR 17/SR 155 |
2005 Coulee Corridor Scenic Byway Corridor Management Plan (pdf 2.5 mb) |
| SR 20 |
2005 International Selkirk Loop Corridor Management Plan (pdf 5.4 mb) |
| SR 20 |
1999 North Cascades Scenic Highway Corridor Management Plan (pdf 3.2 mb) |
| SR 20 |
Sherman Pass Scenic Byway Corridor Management Plan (partial) (pdf 3.7 mb) |
| SR 28 |
2006 SR 28 - Wenatchee Eastside Corridor Planning Study |
| SR 31 |
1999 North Pend Oreille Scenic Byway Development and Interpretive Guidelines (pdf 4 mb) |
| I-90 |
1998 Mountains to Sound Greenway Implementation Plan (Executive Summary and Funding Plan) (pdf 3.6 mb) |
| I-90 |
2006 I-90 Bellevue to North Bend Corridor Planning Study - Eastgate to 465th |
| US 97 |
2005 Okanogan Scenic Byway Corridor Management Plan (pdf 8 mb) |
| US 97 |
2003 US 97 Corridor Planning Study Executive Summary (pdf 82 kb) - US 97 from SR 970 to British Columbia, Canada (includes portions of US 2 and SR 20) |
| SR 99 |
1997 North Corridor (Seattle to Shoreline) Planning Study (completed March 2003) |
| SR 99 |
2003 SR 99 North/Aurora Avenue North Corridor Planning Study (pdf 498 kb) - study examines SR 99 from the North end of the Battery St. Tunnel to North 145th St. |
| SR 99 |
2006 Federal Way to Tukwila at SR 599 Corridor Planning Study (pdf 499 kb) |
| US 101 |
1997 US 101 Washington Coastal Corridor Master Plan Summary (pdf 2.3 mb) |
| US 101 |
2001 US 101 and Lynch Road Intersection Safety Improvement Study (pdf 2.3 mb) |
| US 101 |
2001 Port Angeles Alternative Study Interim Report (pdf 365 kb) |
| US 101 |
2007 US 101 Regional Circulation Project (Aberdeen Vicinity) |
| SR 104 |
2001 Environmental Impact Statement-NEPA Pilot Project Summary (pdf 305 kb) - study examines SR 104 from US 101 to Kingston Ferry Terminal |
| SR 105 |
1998 Cranberry Coast Scenic Byway Corridor Management Plan (pdf 3 mb) |
| SR 112 |
2006 Cape Flattery Scenic Byway Corridor Management Plan (pdf 5.6 mb) |
| SR 124 |
2005 SR 124 (Burbank Hts to Waitsburg) Route Development Plan (pdf 1 mb) |
| SR 129 |
2002 SR 129 (Oregon border to 24th Avenue) Route Development Plan (pdf 667 kb) |
| SR 160/SR 16 |
1998 SR 160/SR 16 Interchange to Southworth Ferry Terminal Route Development Plan (pdf 34 kb) |
| SR 161 |
1990 SR 161 (south King County) Corridor Planning Study (pdf 385 kb) |
| SR 161 |
1997 SR 161 (234th St. East to King County Line) Corridor Planning Study Summary (pdf 18 kb) |
| SR 161 |
2003 SR 161 (between SR 7 and 234th St. in Graham) Route Development Plan Executive Summary (pdf 504 kb) |
| SR 162 |
1997 SR 162/SR 410 Interchange to SR 165 Route Development Plan (pdf 18 kb) |
| SR 164 |
2008 SR 164 Corridor Planning Study |
| SR 167 |
2008 SR 167 Valley Freeway Corridor Planning Study |
| SR 169 |
1990 SR 169 (140th Way SE in Renton to I-405) Route Development Plan (pdf 78 kb) |
| SR 169 |
1993 SR 169 Enumclaw to 140th Way SE in Renton Route Development Plan (pdf 148 kb) |
| SR 169 |
2007 SR 169 Corridor Planning Study (completed December 2007) |
| US 195/US 95/US 12/SR 27/SR 271/SR 23/SR 272/SR 26/SR 194/SR 270/SR 128 |
2006 Palouse Scenic Byway Corridor Management Plan (pdf 1.3 mb) |
| SR 202 |
1998 Cascade Valleys Heritage Corridor Management Plan (pdf 4.5 mb) |
| SR 202 |
2006 SR 202 (Sahalee Way to Duthie Hill Road) Corridor Planning Study |
| SR 224 |
2009 SR 224/SR 225/I-82 Intersection (Benton City Vicinity) Planning Study (pdf 4 mb) |
| SR 276 |
2007 SR 276 Planning Study (North Pullman Bypass) (completed February 2007) |
| SR 291 |
2006 SR 291 Corridor Planning Study (Route Development Plan) (completed August 2006) |
| US 395 |
2002 US 395 (Spokane to Stevens County Line) Route Development Plan (completed March 2003) |
| SR 410 |
1999 Chinook Byways Corridor Planning and Management Guidebook (pdf 6.9 mb) |
| SR 410 |
1997 SR 410/SR 167 Interchange to Pierce/King County Line) Corridor Planning Study Summary (pdf 27 kb) |
| SR 507 |
1998 SR 507/Lewis County Line to SR 7 Corridor Planning Study Summary (pdf 28 kb) |
| SR 510 |
1997 SR 510/I-5 Interchange to SR 507 Corridor Planning Study (pdf 24 kb) |
| SR 518 |
2002 SR 518 Corridor Planning Study (pdf 12 mb) |
| SR 518 |
2007 SR 518 Interchange at International Boulevard/South 154th St. Alternatives Analysis (pdf 337 kb) |
| SR 525 |
2004 Whidbey Scenic Isle Way Corridor Management Plan (pdf 3.8 mb) |
| SR 527 |
1994 SR 527 (SR 522 to I-405) Corridor Planning Study (pdf 664 kb) |
| SR 527 |
2006 SR 527 (164th St. SE at Mill Creek to I-5) Corridor Planning Study (pdf 89 kb) |
| SR 532 |
2001 SR 532 (E. Camano Drive to I-5) Corridor Planning Study (pdf 1 mb) |
| SR 542 |
1997 Mt. Baker Highway Corridor Management Plan (pdf 286 kb) |
| SR 900 |
1993 SR 900 (Duvall Ave. in Renton to Issaquah) Corridor Planning Study (pdf 3.5 mb) |
| SR 903 |
2004 SR 903 (SR 970 to National Forest Bndry) Route Development Plan (pdf 601 kb) |
| SR 904 |
2003 SR 904 (Cheney to Four Lakes Vicinity) Route Development Plan |
| SR 970 |
2003 SR 970 (I-90 to US 97) Route Development Plan (pdf 414 kb) |