A Ä B C D E F G H I J K L M N O Ö P R S T U V W Z 
IAATM International Association for Accident and Traffic Medicine
IATSS International Association of Traffic and Safety Science (Tokyo)
IAVD International Association for Vehicle Design
IAVSD International Association for Vehicle System Dynamics
IBO Individueel BeroepsOnderwijs
IBSR Institut Belge pour la Sécurité Routière (=BIVV)
ICAA International Council on Alcohol and Addictions
ICADTS International Committee on Alcohol, Drugs and Traffic Safety
ICBC Provinciale verzekeringsinstantie in British Columbia, Canada
ICE Institution of Civil Engineers
ICES Interdepartementale Commissie Economische Structuurversterking
ICT Informatie- en Communicatietechnologie
ICTCT International Committee on Traffic Conflicts Techniques
ICTSA International Coorporation of Time Series Analysis
IEA International Ergonomics Association
IEE Institute of Electrical Engineers
IESNA Illuminating Engineering Society of North America
IFHP International Federation for Housing and Planning
IfU Institut für Unfallforschung und Ergonomie
IfZ Institut für Zweiradsicherheit
IHE International Institute for Infrastructural, Hydraulic and Environmental Engineering (Delft)
IHT Institution of Highways & Transportation (UK)
IIR Institute for International Research
ILE Institution of Lighting Engineers
IME Institution of Mechanical Engineers
IMMORTAL Impaired Motorists, Methods Of Roadside Testing and Assessment for Licensing
IN-ARTE Integration of Navigation and Anticollission for Rural Traffic Environment
INCLUDE INCLUsion of Disabled and Elderly people in telematics
INK Instituut Nederlandse Kwaliteit
INRETS Institut National de Recherche sur les Transports et leur Sécurité
INRR Institut National de Recherche Routière (Lux)
IPLE Institution of Public Lighting Engineers
IPO InterProvinciaal Overleg
IPTM Institute of Police Technology and Management (Florida)
IRCOBI International Research Council on Biokinetics of Impacts
IRF International Road Federation
IRRD International Road Research Documentation (na april 2000 ITRD)
IRTAD International Road Traffic and Accident Database (=BICAR)
IRU International Road and Transport Union
ISA Intelligente SnelheidsAdaptatie (of Aanpassing)
ISATA International Symposium on Automotive Technology and Automation
ISCORD International Symposium on Cold Region Development
ISF Société des Ingenieurs et Scientifiques de France
ISIRT International Scientific Initiatives on Road Traffic
ISTED Institut des Sciences et des Techniques de l'Equipement et de l'Environnement pour le Développement
ITACCS International Trauma Anesthesia and Critical Care Society
ITC Institute for Traffic Care
ITE Institute of Transportation Engineers
ITRD International Transport Research Documentation (voor april 2000 IRRD)
ITS Intelligent Transport Systems
ITS Instituut voor Toegepaste Sociale wetenschappen (KUB)
ITS Institute for Transport Studies (Leeds, UK)
ITS Institute of Transportation Studies (Berkeley, USA)
ITSA International Transportation Safety Association
ITSA Intelligent Transport Society of America
ITU International Telecommunication Union
IVHS Intelligent Vehicle Highway Systems
IVI Intelligent Vehicle Initiative
IVIS In-Vehicle Information System
IWS Incident Warning System