*Japan

• Ministry of Land, Infrastructure, Transport and Tourism(MLIT)
• MLIT(Road Bureau)
• National Institute for Land and Infrastructure Management(NILIM)
• National Police Agency(NPA)
• Minister of Economy, Trade and Industry(METI)
• Ministry of Public Management, Home Affairs, Posts and Telecommunications

• Public Works Research Institute
• The Civil Engineering Research Institute (CERI)

• Keio University (Kawashima lab.)
  

• Highway Industry Development Organization (HIDO)
• Advanced Cruise-Assist Highway System Research Association (AHSRA)
• Japan Institute of Construction Engineering (JICE)
• Organization for Road System Enhancement (ORSE)
• ITS Japan (Former VERTIS)
• Universal Traffic Management Society of Japan (UTMS)
• Japan Automobile Research Institute (JARI)
• Japan Trucking Association (JTA)
• Association of Radio Industries and Businesses (ARIB)

*World

• ISO
• ITU
• IEEE
• IEEE SCC32 - Standards Coordinating Committee on Intelligent Transportation Systems (ITS)

• ITS Australia
• ITS Korea
• ITS Taiwan
• Association for Intelligent Transport Systems INDIA
• Land Transport Authority, Singapore
• APEC

• ERTICO
• CORDIS(The Community R&D Information Service)
• DG Energy and Transport

• ITS America
• US DOT
• US DOT(ITS)
• ITE(Institute of Transportation Engineers)
• FCC(Federal Communications Commission)
• FHWA
• FHWA Discretionary Programs
• Architecture and Standards Conformity Rule
• Federal Railroad Administration
• Federal Transit Administration
• IDB Forum
• SAE Intelligent Transportation Systems (ITS)
• World Wide Web Virtual Library Transportation - Government
• VITAL(Vehicle Intelligence Testing & Analysis Laboratory), University of California, Santa Barbara
• AHMCT(Advanced Highway Maintenance and Construction Technology), University of California, DAVIS