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Interlocal Agreements

The Washington State Department of Transportation enters into cooperative agreements with interlocal agencies. RCW 39.34.040 requires that these agreements be recorded with the county auditor or posted on a public web source.  The following is a list of active agreements.

Agreement

Subject

Agency

GCA 6904
(pdf 57 kb)

Toll Violation Adjudication

Office of Administrative Hearings, Finance

GCA 6871
(pdf 8.9 mb)

SR 520, Pontoon Construction

Confederate Tribes of Chehalis Reservation

GCA 6870
(pdf 232 kb)

Government Agreement for Aid Master Agreement

Columbia County Public Works

GCA 6766
(pdf 795 kb)

Extended Discharge Time and Revolution Count for Cast-in-Place Concrete

OUS Oregon State University

GCA 6722
(pdf 4.0 mb)

SR 520 to Medina: Bridge Replacement and HOV Project

Muckleshoot Indian Tribe, FHWA

GCA 6699
(pdf 1.1 mb)
Amendment 1
(pdf 390 kb)
Amendment 2
(pdf 611 kb)
Amendment 3
(pdf 138 kb)

2011-2013 State Capital Construction Grant Agreement Regional Mobility

City of Seattle, Department of Transportation

GCA 6663
(pdf 78 kb)

I-5/SR 16 Eastbound Nalley Valley - HOV

City of Tacoma

GCA 6662
Amendment 1
(pdf 432 kb)

SR 520 I-5 to Medina Project - Montlake Triangle Project

Capital Projects Office

GCA 6637
(pdf 582 kb)
Task Order TA-1
(pdf 175 kb)
Task Order TB-1
(pdf 13.5 mb)

SR 520 Pontoon Construction Project

Quinault Indian Nation

GCA 6624
(pdf 439 kb)

SR 99 Alaskan Way Viaduct and Seawall Replacement Program, Bored Tunnel Alternative Design-Build Project

City of Seattle

GCA 6521
(pdf 44 kb)

ITS Advanced Traveler Information Systems (ATIS) from TBRC program- System connections and data warehousing between WSDOT adn BCMot.

Whatcom Council of Governments

GCA 6517
(pdf 168 kb)
Amendment 2
(pdf 101kb)

IMTC “bridge funding” until reauthorization

Confederate Tribes of Chehalis Reservation

GCA 6514
(pdf 400 kb)
Task Order AU
(pdf 382 kb)
Task Order AV
(pdf 382 kb)

Beaver Trapping for US 12 McNary Pool to Attalia
SR 18 Green River (Neeley) Bridge - Painting and Wildlife Monitoring
SR 18 Green River (Neeley) Bridge - Painting and Wildlife Monitoring

US Dept of Agriculture
DBA USDA - APHIS Wildlife Services

GCA 6489
(pdf 390 kb)

Emergency Road Maintenance, TMC After hours communication

City of Lakewood

GCA 6482
Amendment 1
(pdf 62 kb)

US 2/Euclid Ave. to Francis Ave

City of Spokane

GCA 6444
(pdf 269 kb)

SR 99 Alaskan Way Viaduct - Bored Tunnel Alternative

Port of Seattle

GCA 6437
(pdf 649 kb)
Amendment 1
(pdf 44kb)
Task Order AK
(pdf 310 kb)
Amendment 1
(pdf 90 kb)
Task Order AL
(pdf 393 kb)
Task Order AM
(pdf 504 kb)
Task Order AN
(pdf 603 kb)
Task Order AN-1
(pdf 72kb)
Task Order AO
(pdf 366 kb)
Task Order AP
(pdf 337 kb)
Amendment 1
(pdf 424 kb)

SR502/I-5 to Battle Ground - Add Lanes - Stage 1


On Call Services of Washington Conservation Corps Crews for Southwest Region








SR500 / St. John’s Blvd - Interchange

Department of Ecology

GCA 6362
(pdf 155 kb)

SR 161, 24th St. E to Milton Way

Pierce County Sheriff

GCA 6347
(pdf 560 kb)

SR 270 Pullman to the Idaho State Line; Provide plant establishment

Palouse Conservation District

GCA 6074
(pdf 155 kb)

SR 531 - I-5/172nd St NE (SR 531) Modifications

City of Marysville

GCA 6022
(pdf 507 kb)

SR 16, Snake Lake Mitigation

Metropolitan Park District of Tacoma

GCA 5999
(pdf 238 kb)

I-90 / Spokane Port of Entry Weigh Station Relocation

WA State Patrol (WSP)

GCA 5885
(pdf 488 kb)

Roadside litter and debris removal

DOC - WSDOT - Litter pickup

GCA 5820
(pdf 678 kb)

SR 99 Alaskan Way Viaduct & Seawall Replacement

King County DOT

GCA 5765
(pdf 653 kb)
Amendment 1
(pdf 288 kb)

SR 532 Corridor Improvements Wetland Mitigation

Stillaguamish Tribe

GCA 5736
Task Order AD
(pdf 215 kb)
Amendment 2
(pdf 101kb)

Columbia River Crossing Project

National Parks Service

GCA 5711
(pdf 528 kb)

SR 167 HOT Lanes Toll Ops. Enforcement

WA State Patrol (WSP)

GCA 5705
(pdf 141 kb)

ODOT Astoria Megler Bridge South End

Oregon DOT

GCA 5648
Amendment 3
(pdf 368 kb)

Combined County Project 20th Street Project SE
State’s Project 91st Avenue to So. Lake Stevens Road

Snohomish County

GCA 5587
(pdf 221 kb)
Task Order AA
(pdf 1.1 mb)
Task Order AB
(pdf 83 kb)

Mitigation for impacts to Traditional Cultural Property

Confederated Tribes of the Umatilla Indian Reservation

Perpetual Agreement
GCA 5414

(pdf 259 kb)

SR 305 Intersection

Port Madison Enterprises - Suquamish Tribe

GCA 5413
(pdf 380 kb)

Pierce County Emergency Road Maintenance, TMC After hours Communication

Pierce County

GCA 5233
(pdf 729 kb)
Amendment 1
(pdf 185 kb)
Amendment 2
(pdf 207 kb)

Ranney Well Site

USDA Forest Service, Okanogan and Wenatchee National Forests

Perpetual Agreement
GCA 5184
(pdf 345 kb)
Amendment 1
(pdf 38 kb)

US 97A/North of Wenatchee - Wildlife Fence

WA Dept of Fish and Wildlife

GCA 5155
(pdf 197 kb)
Amendment 1
(pdf 99 kb)
Amendment 2
(pdf 63 kb)

Astoria Megler Bridge Painting North End

State of Oregon (ODOT)

GCA 5080
(pdf 201 kb)
Task Order GJ
(pdf 60 kb)
Task Order HW
(pdf 120 kb)
Task Order HV
(pdf 75 kb)
Task Order HY
(pdf 73 kb)
Task Order JL
(pdf 60 kb)
Task Order JV
(pdf 68 kb)
Task Order JV 1
(pdf 105 kb)
Task Order KF
(pdf 80 kb)
Task Order KQ
(pdf 75 kb)
Task Order KV
(pdf 48 kb)
Task Order KW
(pdf 79 kb)
Task Order KX
(pdf 56 kb)
Task Order LC
(pdf 70 kb)
Amendment 1
(pdf 104 kb)
Amendment 2
(pdf 176 kb)
Task Order LG
(pdf 58 kb)
Task Order LO
(pdf 132 kb)
Task Order LZ
(pdf 113 kb)

Traffic Control

SR 410/Enumclaw Golf Course Vicinity to National Park Gate Resurfacing








SR 410/Enumclaw Golf Course Vicinity to National Park Gate Resurfacing
SR 410/Enumclaw Golf Course Vicinity to National Park Gate Resurfacing






I-90/MP 65.54 to Easton Hill EB & WB Paving

I-5/Chamber Way Bridge - Special Repair

I-5/Mellen St to Blakeslee Jct - Add Lanes, I/C Improvements - Stage 2
SR 410/Enumclaw Golf Course Vicinity to National Park Gate Resurfacing


SR 410/Enumclaw Golf Course Vicinity to National Park Gate Resurfacing
SR 410/Enumclaw Golf Course Vicinity to National Park Gate Resurfacing
SR 410/Enumclaw Golf Course Vicinity to National Park Gate Resurfacing

Washington State Patrol (WSP)

Perpetual Agreement
GCA 4998
(pdf 986 kb)   

I-405 Kelsey Creek Community Park Wetland Mitigation

City of Bellevue

GCA 4908
(pdf 2.1 mb)

Archaeological curation of artifacts from Tse-whit-zen site

University of Washington

Perpetual Agreement
GCA 4894

(pdf 2.3 mb)

Springbrook Creek Wetland & Habitat Mitigation Bank

City of Renton

GCA 4723
(pdf 368 kb)
Amendment 1
(pdf 132 kb)
Amendment 2
(pdf 1.10 mb)
Amendment 5
(pdf 532 kb)
Amendment 6
(pdf 142 kb)

Columbia River Crossing Project

State of Oregon (ODOT)

GCA 4228
(pdf 156 kb)
Task Order GH
(pdf 578 kb)
Task Order GI
(pdf 944kb)

SR 2 Et Al 2012 Eastern Region Chip Seal

Transportation Improvement Board (TIB)

GCA 4125
(pdf 187 kb)
Supplement 1
(pdf 37 kb)

SR 522 Corridor Improvement Project - 153rd Signal/Roadway Widening

City of Lake Forest Park

GCB 1816
(pdf 218 kb)

WSF Lease Cost Reduction

Department of Enterprise (DES)

GCB 1813
(pdf 1 mb)

SR4 Elochoman Culvert Replacement

WDFW - Washington State Department of Fish and Wildlife

GCB 1802
(pdf 373 kb)

Sponsored Research for Ferries wake/wave influnce

UW Financial Accounting

GCB 1798
(pdf 431 kb)

SR 520, I-5 to Medina: Bridge Replacement and HOV Project

Seattle Department of Transportation

GCB 1789
(pdf 215 kb)
Task Assignment
(pdf 327 kb)

Government Agreement for Aid Master Agreement

State of Washington
Department of Fish and Wildlife

GCB 1787
(pdf 1.7 mb)

Under Bridge Inspection Truck (UBIT) Services

Seattle Department of Transportation

GCB 1760
(pdf 123 kb)
Task Assignment
(pdf 184 kb)

DNR Trout Lake NAP

Department of Natural Resources

GCB 1755
(pdf 204 kb)

Recycled Concrete Aggregate Usage in Portland Cement Concrete Pavement

Colorado State University

GCB 1724
(pdf 294 kb)

SR 2 Et Al 2014 Eastern Region Chip Seal

City of Newport

GCB 1715
(pdf 1.4 mb)

Alaskan Way Viaduct & Seawall Replacement Program

City of Seattle Police Department

GCB 1713
(pdf 406 kb)

Multi-State NGEC Locomotive Procurement

State of Illinois
Department of Transportation

GCB 1696
(pdf 314 kb)

I-90 Illumination Rehab Latah Creek to Division

City of Spokane

GCB 1694
(pdf 196 kb)

Government Agreement for Aid

City of Selah

GCB 1691
(pdf 155 kb)

Government Agreement for Aid

City of Colville

GCB 1690
(pdf 89 kb)

WSDOT Project Management Assistance

Washington State Transportation Commission

GCB 1686
(pdf 330 kb)

Safe Routes to School Bicycle & Pedestrian Safety Education Program

Office of Superintendent of Public Instruction

GCB 1626
(pdf 367 kb)

Safe Route to School (SRTS)
Bicycle & Pedestrian Safety Education Program
Student Travel Survey (STS)

WA Department of Health

GCB 1592
(pdf 169 kb)
Amendment 1
(pdf 71 kb)

Columbia River Crossing

Oregon Department of Transportation

GCB 1529
(pdf 649 kb)

I-5 Improvements at 116th Street NE

Tulalip Tribes

GCB 1520
(pdf 362 kb)

Extensive Repair - Grading and drainage work to re-establish the existing roadway prism

Chelan County Public Works

GCB 1519
(pdf 503 kb)

Interstate 90 Snoqualmie Pass East Project

US Forest Service C/O Citibank

GCB 1494
(pdf 150 kb)

WVTC is out of credits that were being utilized for processing and data extraction of video traffic data through a third party

Wenatchee Valley Transportation Council

GCB 1493
(pdf 200 kb)

Master Agreement for Land Acquisition, Relocation, and Related Services in South Central Region Real Estate Services

City of Union Gap

GCB 1482
(pdf 541 kb)

Collection Agreement for specialized mountain weather and avalanche forecasts provided by the US Forest Service.

US Forest Service, Mt. Baker-Snoqualmie National Forest

GCB 1481
(pdf 89 kb)

Master Tree work Agreement (Statewide)

Washington State Parks Department

GCB 1480
(pdf 2.9 mb)
Amendment 1
(pdf 66 kb)

Alaskan Way Viaduct & Seawall Replacement Program

City of Seattle Police Department

GCB 1467
(pdf 288 kb)

Master Agreement for Land Acquisition, Relocation, and Related Services in South Central Region Real Estate Services

City of West Richland

GCB 1456
(pdf 185 kb)

Government Agreement for Aid

City of College Place

GCB 1455
(pdf 226 kb)

Government Agreement for Aid

Garfield County Public Works

GCB 1454
(pdf 411 kb)
Amendment 1
(pdf 411 kb)

Install pavement markings on South Rudkin Road round-a-bout
Statewide Durable Striping

City of Union Gap

GCB 1449
(pdf 240 kb)

Government Agreement for Aid

City of Zillah

GCB 1442
(pdf 188 kb)

Educational Services Agreement No. GCB 1442 Between Readiness Response Center and Washington State Ferries

Readiness Response Center

GCB 1432
(pdf 397 kb)

Substructure Painting

Oregon DOT

GCB 1426
(pdf 273 kb)
Task Order AA
(pdf 356 kb)
Amendment
(pdf 124 kb)
Task Order AB
(pdf 361 kb)
Amendment
(pdf 554 kb)
Task Order AC
(pdf 443 kb)
Amendment
(pdf 128 kb)
Task Order AD
(pdf 335 kb)
Amendment
(pdf 376 kb)

SR 542/SR 547 - Intersection Improvements

Eastern Washington University - Archaeological and Historic Services

GCB 1416
(pdf 471 kb)

Subsidizes the additional enforcement hours officers and deputies in Pierce, King, and Snohomish Counties will need to spend during the Target Zero Teams Driving Under the Influence (DUI) patrols.

Washington Traffic Safety Commission

GCB 1412
(pdf 246 kb)

On-Call Agreement

Washington State Department of Fish and Wildlife

GCB 1410
(pdf 1.5mb)

Survey record collection at the Cascade Gateway border crossings

Whatcom Council of Governments

GCB 1392
(pdf 331 kb)

Construct pullout within DOT right of way on US2/SR97.

LINK Transit

GCB 1391
(pdf 281 kb)

Armory Junction Road Improvements

Okanogan County Public Works

GCB 1387
(pdf 245 kb)

Non standard ADA ramps throughout North Central Region

Chelan County Public Works

GCB 1386
(pdf 379 kb)

SR 20/Skagit River CED - Permanent Restoration

Skagit River System Cooperative

GCB 1377
(pdf 724 kb)

On-Call Vessel Charter Agreement No. GCB 1377

Kitsap Transit

GCB 1358
(pdf 132 kb)

Regional Decant Facility

City of Spokane Valley

GCB 1355
(pdf 132 kb)

Disadvantaged Business Enterprise Certification Program

Office of Minority and Women’s Business Enterprises

GCB 1323
(pdf 476 kb)

Agreement No. GCB 1323 For Barton Street Pump Station Upgrade Project

King County Department of Natural Resources and Parks

GCB 1312
(pdf 3.4 mb)

Government Agreement Aid

Spokane County

GCB 1310
(pdf 136 kb)

SR31/Pend Oreille County - Pedestrian Improvements

Transportation Improvement Board

GCB 1307
(pdf 227 kb)
Task Assignment
(pdf, 356 kb)

Columbia River Crossing (CRC)

US Army Corps of Engineers

GCB 1304
(pdf 95 kb)

No Seeum Road Improvements

City of Chelan

GCB 1279
(pdf 760 kb)

US2/Espanola Rd to I-90 - Paving

City of Spokane

GCB 1259
(pdf 218 kb)
Amendment 1
(pdf 627 kb)

SR 9/ Crown Ridge Blvd

City of Arlington

GCB 1258
(pdf 1.4 mb)

SR 9/ Crown Ridge Blvd

City of Arlington

GCB 1231
(pdf 168 kb)

WSDOT and DFW Fish Passage Study

Washington State Office Financial Management

GCB 1227
(pdf 988 kb)

US2/Espanola Rd to I-90 - Paving

City of Spokane

GCB 1220
(pdf 10 mb)

SR 285/W End of George Sellar Bridge - Intersection Improvement

City of Wenatchee

GCB 1211
(pdf 2.4 mb)

NSC - Parksmith - Interchange

Spokane County

GCB 1210
(pdf 1.3 mb)
Amendment 1
(pdf 201 kb)

SR4 Elochomon Slough Fish Passage Culverts

Washington State Fish and Wildlife

GCB 1202
(pdf 600 kb)

SR 520/I-5 to Medina: Bridge Replacement and HOV Project

Suquamish Tribe

GCB 1197
(pdf 938 kb)

Agreement for wetland and aquatic mitigation project

King County DNRP

GCB 1165
(pdf 554 kb)

Aireophotography

City of Longview

GCB 1164
(pdf 233 kb)

Fort Road Improvements

Yakima County Public Works

GCB 1163
(pdf 127 kb)

Red Mountain Interchange traffic modeling

Benton-Franklin Council of Governments

GCB 1162
(pdf 811 kb)
Task Order AA
(pdf 152 kb)

Columbia River Crossing Project

Multnomah County Drainage District No. 1

GCB 1141
(pdf 231 kb)

SR 99/Spokane Street Overcrossing Timber Replacement

Port of Seattle

GCB 1137
(pdf 214 kb)

I-5/Mellen Street to Blakeslee Junction

State of Washington
Transportation Improvement Board

GCB 1101
(pdf 144 kb)

Out Of State License Plate Review

WA State Patrol

GCB 1091
(pdf 173 kb)

SR 285/W End of George Sellar Bridge - Intersection Improvement

Wenatchee Police Department

GCB 1087
(pdf 1.88 mb)

SR 9 Corridor Improvements - Buffer Mitigation

Stillaguamish Tribe

GCB 1085
(pdf 95 kb)

I-5/M St to Portland Ave - HOV, City Police Assistance

City of Tacoma

GCB 1078
Amendment 1
(pdf 1 mb)

Administrative Hearings - Pierce County

City of Fife

GCB 1047
(pdf 370 kb)

JCT US 101 to E. of Front ST Paving

City of Shelton

GCB 1031
(pdf 617 kb)
Amendment 1
(pdf 2.8 mb)
Amendment 2
(pdf 823 kb)
Amendment 3
(pdf 366 kb)

Statewide Transportation System Survey & Ferry Rider Opinion Group

Wa. State Transportation Commission

GCB 1029
(pdf 190 kb)

I-5 Portland Avenue to Port of Tacoma Road - NB HOV

City of Fife

GMB 1029
(pdf 1.3 mb)

Maintenance by Kitsap County on SR 104

Kitsap County

GMB 1003
(pdf 721 kb)

I-5/SR 16 Eastbound Nalley Valley - HOV

City of Tacoma

GM0 1533
(pdf 512 kb)

Round-a-bout maintenance by Port

Port of Walla Walla

Perpetual Agreement
GM0 0034

(pdf 381 kb)
Memorandum of Understanding

(pdf 204 kb)
Supplement 1

(pdf 57 kb)
Supplement 2

(pdf 226 kb)
Supplement 3

(pdf 106 kb)
Supplement 4

(pdf 102 kb)
Supplement 5

(pdf 114 kb)
Supplement 6
(pdf 95 kb)
Supplement 7

(pdf 131 kb)
Amendment 1 to Supplement 7

(pdf 114 kb)

Obligations of constructing and maintaining Lewiston and Clarkston Bridge

State of Idaho

UT0 1357
(pdf 821 kb)

SR 532, Corridor Improvements

Snohomish County PUD #1