The following are links to agencies and organizations involved in transportation and air quality planning in each of the fifteen case study sites. Please send us email if you would like to bring other entities to our attention. You may click on a city name in the table below if you would like to skip to a specific city.

Atlanta

Baltimore

Boston

Charlotte

Chicago

Denver

Houston

Milwaukee

New Jersey

New York

Philadelphia

Phoenix

Portland

Salt Lake City

San Francisco

Atlanta
Atlanta Regional Commission (ARC)
Georgia Regional Transportation Authority (GRTA)

Georgia Department of Transportation (GDOT)
Georgia Conservancy
Metro Atlanta Chamber of Commerce
Georgia Environmental Protection Division (GAEPD)
Southern Environmental Law Center (SELC)

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Baltimore
Baltimore Metro Council
Maryland Department of Transportation
Maryland Department of the Environment
Maryland Department Of Planning
US EPA Region 3

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Boston
Massachusetts Bay Transportation Authority
Metro Area Planning Council (MAPC)
Massachusetts Department of Environmental Protection
US EPA Region 1
Boston MPO & Central Transportation Planning Staff

MA Executive Office of Environmental Affairs (MEOA)
MA Executive Office of Transportation and Construction (OTC)
Conservation Law Foundation (CLF)

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Charlotte
US EPA Region 4
NC Dep't of Environment and Natural Resources (NCDENR)
North Carolina Department of Transportation (NC DOT)

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Chicago
Environmental Law and Policy Center (ELPC)
Center for Neighborhood Technology (CNT)
Chicago Metropolis 2020 (CM2020)
Business and Professional People in the Public Interest (BPI)
American Lung Association (ALA) Chicago Chapter
Chicago Area Transportation Study (CATS)
Chicago Department of Environment (CDOE)
Chicago Department of Transportation (CDOT)
Chicago Transit Authority (CTA)
Illinois Department of Transportation (IDOT)
Illinois Environmental Protection Agency (IEPA)
Illinois State Toll & Highway Authority (ISTHA)
Northeastern Illinois Planning Commission (NIPC)
Regional Transit Authority (RTA)
Federal Highway Administration - Illinois Division
US EPA Region 5

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Denver
Regional Transportation District
Colorado Environmental Coalition
US EPA Region 8
Colorado Department of Public Health & Environment
Colorado Department of Transportation (CDOT)
Denver Regional Council of Governments (DRCOG)
Regional Air Quality Council (RAQC)

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Houston
City of Houston
Metropolitan Transit Authority
US EPA Region 6
Houston-Galveston Area Council (HGAC)
Texas Council on Environmental Quality (TCEQ - was TNRCC)
Texas Department of Transportation (TxDOT)
Galveston-Houston Association for Smog Prevention (GHASP)
Greater Houston Partnership

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Milwaukee
Wisconsin Department of Transportation
Milwaukee County Transit System
Wisconsin Department of Natural Resources
Southeast Wisconsin Regional Planning Commission
Midwest Center for Environmental Science and Public Policy

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New Jersey
New Jersey Transit
US EPA Region 2
Rutgers Environmental Law Clinic
New Jersey Department of Transportation (NJ DOT)
NJ Department of Environmental Protection (NJ DEP)
North Jersey Transportation Planning Authority (NJTPA)

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New York
US EPA Region 2
New York Metropolitan Transportation Authority
New York City Department of City Planning
New York State Department of Environmental Conservation
New York Metropolitan Transportation Council (NYMTC)
New York State Department of Transportation
New York City Department of Environmental Protection
New York City Department of Transportation
Tri-State Transportation Campaign

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Philadelphia
Pennsylvania Department of Transportation
Pennsylvania's Department of Environmental Protection
Southeastern Penn. Transportation Authority (SEPTA)
City of Philadelphia
US EPA Region 3
Clean Air Council
PENJERDEL Council
Delaware Valley Regional Planning Commission (DVRPC)
New Jersey Department of Environmental Protection (NJDEP)

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Phoenix
Arizona Center for Law in the Public Interest (ACLPI)
Maricopa Association of Governments (MAG)
City of Phoenix
Arizona Department of Transportation (ADOT)
Arizona Department of Environmental Quality (ADEQ)
Valley Metro Home Page
US EPA Region 9

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Portland
Cascade Policy Institute
1000 Friends of Oregon
Metro
City of Portland
Clackamas County
Oregon Department of Transportation
Oregon Department of Environmental Quality
TriMet
Oregon Economic & Community Development Department
US EPA Region 10

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Salt Lake City
Wasatch Front Regional Council
Utah Department of Transportation (UDOT)
Utah Department of Environmental Quality
Mountainland Association of Governments
US EPA Region 8

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San Francisco
Regional Alliance for Transit
US EPA Region 9
Metropolitan Transportation Commission (MTC)
Alameda County
Contra Costa Transportation Authority
San Francisco County Transportation Authority
California Department of Transportation
California Air Resources Board (CARB)
Bay Area Air Quality Management District (BAAQMD)
Mineta Transportation Institute

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