Commuter Rail

Alexandria, VA VRE - Virginia Railway Express
Anchorage, AK ARRC - Alaska Railroad Corporation
Baltimore, MD MARC - Maryland Transit Administration
Boston, MA MBTA - Massachusetts Bay Transportation Authority
Chesterton, IN NICTD - Northern Indiana Commuter Transportation District
Chicago, IL METRA - Northeast Illinois Regional Commuter Railroad Corporation
Dallas, TX TRE - Trinity Railway Express
Harrisburg, PA PennDOT - Pennsylvania Department of Transportation
Los Angeles, CA Metrolink - Southern California Regional Rail Authority
New Haven, CT SLE - Connecticut Department of Transportation Shore Line East
New York, NY LIRR - MTA Long Island Rail Road
Newark, NJ NJT - New Jersey Transit Corporation
Oceanside, CA NCTD - North County Transit District
Philadelphia, PA SEPTA - Southeastern Pennsylvania Transportation Authority
Pompano Beach, FL Tri-Rail - South Florida Regional Transportation Authority
San Carlos, CA CALTRAIN - Peninsula Corridor Joint Powers Board
Seattle, WA Sound Transit - Central Puget Sound Regional Transportation Authority
Stockton, CA ACE - Altamont Commuter Express
Syracuse, NY On Track


Heavy Rail

Atlanta, GA MARTA - Metropolitan Atlanta Rapid Transit Authority
Baltimore, MD MTA - Maryland Transit Administration
Boston, MA MBTA - Massachusetts Bay Transportation Authority
Chicago, IL CTA - Chicago Transit Authority
Cleveland, OH GCRTA - Greater Cleveland Regional Transit Authority
Jersey City, NJ PATH - Port Authority Trans-Hudson
Lindenwold, NJ PATCO - Port Authority Transit Corporation of PA & NJ
Los Angeles, CA MTA - Los Angeles County Metropolitan Transportation Authority
Miami, FL MDTA - Miami-Dade Transit Agency
New York, NY NYCT - MTA New York City Transit
New York, NY SIR - MTA Staten Island Railway
Oakland, CA BART - San Francisco Bay Area Rapid Transit District
Philadelphia, PA SEPTA - Southeastern Pennsylvania Transportation Authority
Washington, DC WMATA - Washington Metropolitan Area Transit Authority


Light Rail

Baltimore, MD MTA - Maryland Transit Administration
Boston, MA MBTA - Massachusetts Bay Transportation Authority
Buffalo, NY Metro - Niagara Frontier Transit Metro System
Cleveland, OH GCRTA - Greater Cleveland Regional Transit Authority
Dallas, TX DART - Dallas Area Rapid Transit Authority
Denver, CO RTD - Regional Transportation District
Houston, TX METRO - Metropolitan Transit Authority of Harris County
Los Angeles, CA MTA - Los Angeles County Metropolitan Transportation Authority
Minneapolis, MN MT - Metro Transit
Newark, NJ NJT and NJT River LINE - New Jersey Transit Corporation
Philadelphia, PA SEPTA - Southeastern Pennsylvania Transportation Authority
Pittsburgh, PA PAAC - Port Authority of Allegheny County
Portland, OR PS - Portland Streetcar
Portland, OR TriMet - Tri-County Metropolitan Transportation District of Oregon
Sacramento, CA SRTD - Sacramento Regional Transit District
St. Louis, MO METRO - Bi-State Development Agency
Salt Lake City, UT UTA - Utah Transit Authority
San Diego, CA SDT - San Diego Trolley
San Francisco, CA Muni - San Francisco Municipal Transportation Agency
San Jose, CA VTA - Santa Clara Valley Transportation Authority
Tacoma, WA Sound Transit - Central Puget Sound Regional Transit Authority


Bus

Boston, MA MBTA - Massachusetts Bay Transportation Authority
Chicago, IL CTA - Chicago Transit Authority
Denver, CO RTD - Regional Transportation District
Houston, TX Metro - Metropolitan Transit Authority of Harris County
Los Angeles, CA MTA - Los Angeles County Metropolitan Transportation Authority
New York, NY NYCT - MTA New York City Transit
Newark, NJ NJT - New Jersey Transit Corporation
Philadelphia, PA SEPTA - Southeastern Pennsylvania Transportation Authority
Pittsburgh, PA PAAC - Port Authority of Allegheny County)
Seattle, WA Metro - King County Department of Transportation, KCDOT
Washington, DC Metro - Washington Metropolitan Area Transit Authority