• American Association of State Highway Transportation Officials (AASHTO)
• American Council of Engineering Companies (ACEC)
• American Planning Association (APA)
• American Public Transportation Association (APTA)
• American Public Works Association (APWA)
• American Road & Transportation Builders Association (ARTBA)
• American Society of Civil Engineers (ASCE)
• Association of American Railroads (AAR)
• Association of Metropolitan Planning Organization (AMPO)
• Center for Transportation Excellence (CFTE)
• Coalition for America's Gateways & Trade Corridors
• Highway Users Alliance (HUF)
• International Bridge, Tunnel and Turnpike Association (IBTTA)
• Institute of Transportation Engineers (ITE)
• ITS America
• US Chamber of Commerce
  
  

• Bi-Partisan Policy Center
• Building America's Future
• T4America
• TCC Coalition
  
  

• National Association of Counties (NACO)
• National Governors' Association
• National League of Cities (NLC)
• US Conference of Mayors