Government and Public Organizations

• Alabama DOT
• Alaska Department of Transportation and Public Facilities
• Albuquerque Regional Services
• Alberta Transportation Industry Services
• Amtrak
• Architectural and Transportation Barriers Compliance Board
• Argentina' Ministry of Economy and Public Works and Services
• Arizona DOT
• Arkansas DOT
• Atlantic Provinces Transportation Commission
• Austin Transportation Study
• Australia Department of Transport
• Australian Railways
• Boston MPO
• Bristish Columbia Ministry of Highways Road Reports
• British Airport Authority
• Bundesanstalt für Straßenwesen (Federal Highway Research Institute)
• Bureau of Transportation Statistics (BTS)
• CSIR Transportek
• California DOT
• California Public Utilities Commission
• Canadian Standing Committee on Transport and Communications
• Canadian Transportation Agency
• Canadian Transportation Safety Board
• Capital City Transportation Managment Association
• Capital Hill Community Coundcil Transportation Committee
• Capital Metropolitan Transportation Authority (TX)
• Central Massachusetts Regional Planning Commission
• Centro Tecnologico Elsamex/Intevia
• Chartered Institute of Transport in Ireland
• Chicago Transit Authority
• Chile Ministry of Transport
• Clark County (WA) Public Works
• Commission des transports du Québec
• Connecticut DOT
• Cyprus Ports Authortiy
• Delaware River Port Authority
• Denver Air Route Traffic Control Center
• Dutch Ministry of Transport, Public Works and Water Management
• EGO Transportation Planning and Railway System Department, Ankara (Turkey)
• European Conference of Ministers of Transport
• Federal Aviation Administration (FAA)
• Federal Highway Administration (FHWA)
• Federal Railroad Administration
• Federal Transit Administration (FTA)
• Florida DOT
• Fresno County Council of Governments
• Georgia DOT
• GO Boulder Transportation Center
• Go Green
• Hampton Roads Planning District Commission
• Harris County (TX) Metropolitan Transit Authority
• Hawaii DOT
• Hong Kong Department of Transportation
• Houston TranStar
• Humboldt County (CA) Transit Authority
• Huntsville (AL) Public Transportation Division
• ITS America
• Idaho DOT
• Illinois DOT
• Indiana DOT
• Intelligent Transport Systems Australia
• Iowa DOT
• Johnson City (TN) MPO
• Jonesboro (AR) Street Department
• Kalamazoo County Road Commission
• Kansas DOT
• Kentucky Transportation Cabinet
• Kern (California) Council of Governments
• L'Institut National de Recherche sur les Transports et leur Sécurité (INRETS)
• Lawrence Livermore National Laboratory - IVHS
• Los Angeles County Metropolitan Transportation Authority
• Louisiana Department of Transportation and Development
• Louisville (KY) MPO
• LTD Lane Transit District (OR)
• Maine DOT
• Maricopa County (AZ) Regional Public Transportation Authority
• Maritime and Port Authority of Singapore
• Maryland DOT
• Maryland Port Administration
• Massachusetts Bay Transit Authority
• Massachusetts Highway Department
• Massachusetts Turnpike Authority
• MC RIDES
• Metropolitan Transportation Commission (CA)
• Mexico's Institue of Transport
• Miami Valley (OH) Regional Transit Authority
• Michigan DOT
• Mid-Ohio Regional Planning Commission
• Ministère de l'Equipement des Transports et du Lagement
• Ministerio de Transportes y Comunicaciones del Perú
• Minnesota DOT
• Missouri DOT
• Montana DOT
• Montgomery County (MD) Public Works & Transportation
• Morris County (NJ) Division of Transportation Management
• NSnet - Maritime Communications
• National Highway Transportation Safety Administration (NHTSA)
• National Transportation Agency of Canada
• New Jersey DOT
• New Jersey Transit
• New South Wales State Rail Authority
• New York Metropolitan Transportation Authority
• New York State DOT
• New York State Thruway Authority
• New York and New Jersey Port Authority
• New Zealand Ministry of Transport
• North Carolina DOT
• North Carolina DOT Public Transit Division
• North Central Texas Council of Governments - Transportation Department
• North Dakota DOT
• North Jersey Transportation Planning Authority, Inc.
• Norwegian Institute of Transport Economics
• Oak Ridge National Laboratory - Transportation Technologies
• Ohio DOT
• Ohio Turnpike Authority
• Oklahoma DOT
• Ontario Ministry of Transportation
• Orange County (FL) Traffic Engineering Department
• Orange County Transit Authority
• Oregon DOT
• Orlando-Orange County Expressway Authority
• Ottawa-Carleton Regional Transit Commission (OC Transpo)
• Ozark (Arkansas) Regional Transit
• Pennsylvania DOT
• Pima County (AZ) DOT
• Port Authority of Allegheny Transit
• Portland Office of Transportation
• Potomac and Rappahannock (VA) Transportation Commission
• Puerto Rico DOT
• Quebec's Ministère des Transports
• Redding Area (CA) Bus Authority
• Rhode Island DOT
• Richardson, TX Transportation Division
• RideWise of Raritan Valley (NJ)
• Régie Autonome des Transports Parisiens (RATP)
• Sacramento Transportation Authority
• Sand Diego Council of Governments
• San Francisco County Transportation Authority
• San Francisco Department of Parking and Traffic
• San Francisco Metropolitan Transportation Commission
• San Luis Obispo Council of Governments
• Santa Cruz Area Transportation Management Association
• Singapore Public Transport Council
• South Dakota DOT
• Southwest Washington Regional Transportation Council
• St. Clair (MI) County Road Commission
• Statistics Canada
• Swedish National Road Administration
• Taiwan Ministry of Transportation and Communication
• Tennessee DOT
• Texas DOT
• Toronto Transit Commission
• Transport Canada
• Transportation Corridor Agencies (CA)
• Tri-Met
• Tri-State Transportation Authority
• Tucson (AZ) Department of Transportation
• U.S. Army Airfields and Pavements Division
• U.S. Army Airfields, Pavements and Mobility Info. Analysis Center
• U.S. Army - Cold Regions Research and Engineering Laboratory
• U.S. Army Tank-Automotive Research Development and Engineering Center
• U.S. Department of Commerce's Office of Automotive Affairs
• U.S. Department of Defense - Defense Travel System
• U.S. Department of Energy (INEEL) Packaging and Transportation Group
• U.S. Department of Energy - Office of Transportation Technologies
• U.S. Department of Energy - National Transportation Program
• U.S. Department of Transportation
• U.S. DOT Auto Safety Hotline
• U.S. Federal Trade Commission
• U.S. House Committee on Transportation and Infrastructure
• U.S. Postal Service
• U.S. Senate Committee on Commerce, Science and Transportation
• U.S. Transportation Command
• UN International Maritime Organization
• UNCTAD Multimodal Transport and Technological Development Section
• Utah DOT
• Utah Transit Authority
• Ventura County (California) Transportation Commision
• Vermont Agency of Transportation
• VicRoads (Victoria, Australia)
• Virginia DOT
• Virginia Department of Rail and Public Transportation
• Virginia Transportation Research Council
• Volpe National Transportation Systems Center
• Washington Metropolitan Area Transit Authority (Metro)
• Washington State County Road Administration Board
• Washington State DOT
• Washington State Utilities and Transportation Commission
• West Hollywood Department of Transportation and Engineering
• West Virginia DOT
• Wisconsin DOT
• Wyoming DOT
• I-95 Corridor Coalition

Museums

• Age of Steam Railroad Musuem
• Alberta Railway Museum
• Army Transportation Museum
• B&O Railroad Museum
• Ballarat Tramway Museum
• Birmingham & Midland Museum Of Transport
• Britain's National Railway Museum (York)
• Buckeye Central Scenic Railroad
• Burlington-Rock Island Railroad Museum
• Calgary and Edmonton Railway Museum
• California State Railroad Museum
• Canadian Museum of Flight and Transportation
• Cass Scenic Railroad State Park
• Cole Land Transportation Museum
• Cuyahoga Valley Scenic Railroad
• Danbury Railway Museum
• East Anglian Railway Museum
• Fairfax Station Railroad Museum
• Forney Transportation Museum
• Fort Smith Trolley Museum
• Gold Coast Railroad Museum
• Golden Gate Railroad Museum
• Helskinki Tram Museum
• Hill Country Flyer
• Illinois Railway Museum
• Kettle Valley Steam Railway
• Kirklees Light Railway
• Komoka Railway Museum
• Launceston Tramway Museum Society Inc.
• London Canal Museum
• London Transport Museum
• Mid-Suffolk Light Railway Museum
• Minnesota Transportation Museum
• Monterey-Salinas Transit
• Monticello Railway Museum
• Museum of Alaska Transportation and Industry
• Museum of British Road Transport
• Museum of Transportation
• National Railroad Museum
• New York Transit Museum
• North Alabama Railroad Museum
• North Carolina Transportation Museum
• Ohio Museum of Transportation
• Ontario Electric Railway Historical Association
• Orange Empire Railway Museum
• Owls Head Transportation Museum
• Pate Museum of Tranportation
• Pennsylvania Trolley Museum
• Prairie Dog Central Steam Museum Train
• Reading RR Museum
• Riverside and Great Northern Railway
• San Diego Aerospace Museum
• Seashore Trolley Museum
• Smoky Hill Railway
• South Carolina Railroad Museum
• South Florida Railway Museum
• Steamtown National Historic Site
• Tennessee Valley Railroad
• Tramway Museum of Belgium
• Travel Town Museum
• Trolley Museum of New York
• UK Railway Preservation
• Union Pacific Museum
• Upsala-Lenna Jernvag (Museum Railway)
• Virginia Museum of Transporation
• Walker Transportation Collection
• Welsh Highland Railway
• Weka Pass Railway
• Western Maryland Scenic Railroad
• Whitewater Valley RR
• Yakima Valley Rail and Steam Museum
• York-Durham Heritage Railway
• Yosemite Mountain Sugar Pine RailRoad
• Yosemite Valley Railroad

Professional Societies

• AASHTO TRAC
• American Society of Highway Engineers
• American Society of Transportation and Logistics
• Aviation and Aeronautics Societies
• Canadian Transportation Research Forum
• Engineering Foundation
• IEEE Standards Coordinating Committee on Intelligent Transportation Systems (ITS)
• INFORMS
• INFORMS Transportation Science Section
• ITE - Alaska Section
• ITE - District 6
• ITE - Florida Section
• ITE - Hawaii Section
• ITE - North Carolina State University Student Chapter
• ITE - Quebec Chapter
• ITE - Southern California Section
• ITE - Texas A&M University Student Chapter
• ITE - University of Alberta Student Chapter
• ITE - University of Idaho Student Chapter
• ITE - University of Massachusetts (Amherst) Student Chapter
• ITE - University of Nebraska at Lincoln Student Chapter
• ITE - University of Nevada (Las Vegas) Student Chapter
• ITE - University of Texas (Austin) Student Chapter
• ITE - University of Wisconsin (Madison) Student Chapter
• ITE - Vancouver Island Section
• ITE - Virginia Tech Student Chapter
• Institute of Transportation Engineers (ITE)
• International Air Transport Association (IATA)
• SIAM
• TRB Committee on Urban Transportation Data and Information Systems (A1D08)
• Transportation Research Board
• Transportation Research Forum
• Vehicle Road and Traffic Intelligence Society of Japan
• Victoria Transport Policy Institute
• WCTR Society

Advocacy and Community Groups

• Arizona Rail Passenger Association
• Arizona Telecommuting Advisory Council (AzTAC)
• Better Environmentally Sound Transportation (BEST)
• Bicycle-Friendly Berkeley Coalition
• California Alliance for Advanced Transportation Systems (CAATS)
• Center for Appropriate Transport
• Center for Neighborhood Technology
• Citizen Action
• Coalition for Alternative Transportation
• Coalition for Vehicle Choice
• Community Transportation Association of America
• CT Rail Commuter Council
• Delaware Valley Association of Railroad Passengers
• Friends of the Earth
• ISTEA Reauthorization Web Center
• Independence Institute
• Keep America Moving
• Metro Atlanta Telecommuting Advisory Council
• National Group Riders and Designated Drivers
• New York Straphangers Campaign
• Owner Operator Independent Drivers Association's
• Pednet
• Perils for Pedestrians
• Permanent Citizens Advisory Committee to the MTA
• Philadelphia Trolley Coalition
• Rocky Mountain Institute - Transportation Issues
• San Francisco Bicycle Coalition
• Southern California Transit Advocates
• Southern Coalition for Advanced Transportation
• Telecommuting Safety and Health Benefits Institute
• Transportation Action Network
• Transportation Alternatives
• Tri-State Transportation Campaign, Inc.

Other Organizations

• ARRB Transport Research
• Advanced Transit Association
• Air Traffic Specialist Association of Canada
• Air Transport Action Group
• Air Transport Association
• Amalgamated Transit Union
• American Association of Airport Executives
• American Association of State Highway and Transportation Officials
• American Association of Motor Vehicle Administrators
• American Association of Port Authorities (AAPA)
• American Council for an Energy-Efficient Economy
• American Pubic Works Association
• American Public Transit Association
• American Road & Transportation Builders Association
• American Traffic Safety Services Association
• American Truck Historical Society
• American Trucking Associations
• Association for Bridge Construction and Design
• Association of American Railroads
• Association of Waste Hazardous Materials Transporters
• Australian Railway Historical Society
• Baltic and International Maritime Council
• Brotherhood of Locomotive Engineers
• Brotherhood of Maintenance of Way Employes
• C.R.A.S.H. Underride Network
• Canadian Council of Motor Transport Administrators
• Canadian Institute of Traffic and Transportation
• Canadian Renewable Fuels Association
• Canadian Technical Asphalt Association
• Canadian Urban Transit Association
• Centre for Surface Transportation Technology
• Centre for Transport Technology
• Chamber of Maritime Commerce
• Chartered Institute of Transport
• Confedercao Nacional do Transporte
• ENO Foundation
• Electric Railway Historical Association
• European Parking Association
• European Sea Ports Organisation (ESPO)
• Greater Valley Forge Transportation Management Association
• Heavy Transport Association
• Helicopter Association International
• High Speed Rail/Maglev Association
• Holland International Distribution Council
• Hudson Transportation Management Association
• ITS Consortium, Inc.
• Institut Maritime du Québec
• Institute of Public Administration
• Insurance Institute for Highway Safety
• Intermodal Association of North America (IANA)
• International Air Cargo Association (TIACA)
• International Cargo Handling Coordination Association
• International Motor Carrier Audit Commission
• International Parking Institute
• International Road Federation
• International Taxicab and Livery Association
• International Transport Workers' Federation
• International Union of Combined Rail-Road Transport (UIRR)
• International Union of Public Transport
• Jones Act Reform Coalition
• Keep Middlesex Moving
• Latvian Transport Information Agency
• Mid-Continent Railway Historical Society
• Montreal rideSharing
• National Air Traffic Controller's Association
• National Association of Railway Business Women
• National Customs Brokers & Forwarders Association of America
• National Energy Foundation
• National Private Truck Council
• National Quality Initiative
• National Railway Historical Society, Inc. - Washington, D.C. Chapter
• National Station Car Association
• Network of Employers for Traffic Safety
• New Jersey Association of Railroad Passengers
• New Jersey Planning Officials
• New York Telecommuting Advisory Council
• Ohio Sate University Transportation and Logistics Association
• Ontario Trucking Assn.
• Ontario and Western Railway Historical Society
• Pacific Maritime Association
• Pacific Northwest TeleWork Advisory Council
• Passenger Vessel Association
• Peninsula Rail 2000 (San Francisco Bay Area Transit Consumers)
• Ports Corp South Australia
• Québec Bus Owners Association
• Railway Industrial Clearance Association of North America
• Railway Technical Research Institute
• Regional Airline Association
• Regional Commission on Airport Affairs (Seattle)
• Salt Institute
• San Luis Obispo Regional Rideshare
• Shipbuilders Council of America
• Southwest Movers Association
• Swedish Ports and Stevedores Association
• TFK-Transport Research Institute
• Transport 2000 British Columbia
• Transport Corridor Europe Caucasus Asia (TRACECA)
• Transport Workers Union (TWU)
• Transport Workers Union of Malaysia
• Transport and General Workers Union
• Transportation Association of Canada
• Transportation Institute
• Transportation Intermediaries Association
• Transportation for Livable Communities
• Travel Industry Association of America
• U.S. Railroad Retirement Board
• United Motorcoach Association
• United Transportation Union Local 1778
• United Transportation Union Local 23
• United Transportation Union Local 343
• United Transportation Union Local 1594
• Vervoersbond FNV
• Victoria Transport Policy Institute
• Washington Transportation Policy Institute
• West Central Initiative
• Wisconsin Automation Users Group
• Women's International Shipping & Trading Association