1974 Bachelor Degree in mathematics, sociology and psychology. University of Oslo.
1982 Master Degree (cand. psychol.) in 1982. University of Oslo, Norway.
1982-84 Research Scholar, Institute of Preventive Medicine, University of Oslo.
1985 Consultant, Institute for Studies of Research and Higher Education, The Norwegian Council for Science and the Humanities
Senior Research Engineer, A.S. VERITAS Research.
1988-1996 Research Officer, Institute of Transport Economics, Oslo.
1997- 2003 Chief Research Officer, Institute of Transport Economics, Oslo.
2003 – present: Research Officer, Institute of Transport Economics, Oslo
Main areas of interest
Traffic safety research, effects of raod safety measures
Triver behaviour models, campaigns, police enforcement, medical conditions and traffic safety, ADHD, Intelligent Transport Systems (ITS), meta-analysis
Elvik, R., Vaa, T. (2004): The Handbook of Road Safety Measures. Oxford, Elsevier.
Vaa, T (2003): Impairments, diseases, age and their relative risks of accident involvement: Results from meta-analysis. Deliverable R1.1 of EU-project IMMORTAL. Oslo, Institute of Transport Economics, TØI report no 690/2003.
Vaa, T. (2001): Driver behaviour models and monitoring of risk: Damasio and the role of emotions. Proceedings from VTI-conference “Traffic Safety on Three Continents” Moscow 19th –21st September 2001.
Vaa, T (2000): A comment on the definition of aggression and aggressive driving behaviour. Proceedings of the Conference ‘Road Safety on three Continents’ Pretoria, South Africa, 20-22. September 2000.
Vaa, T (1997): Increased police enforcement: Effects on speed. Accid Anal and Prev., Vol 29, No 3, pp 373 – 385, 1997.
Vaa, T, Ragnøy, A & Sætermo, I-A (1996): Two experiments with a mobile roadside speedometer in Vestfold county, Norway: The effects upon speed. Proceedings of the Conference «Road Safety in Europe and Strategic Highway research Program (SHRP), Prague, the Czech Republic, September 20-22, 1995. Linköping, Swedish National Road and Transport Research Institute (VTI), 1996. (VTI-konferens No 4A, Part 3, pp 151-165).
Keller H, Lejeune P, Oude Egberink H, Vaa T & Versteege, J (1991):An Approach to a European Proforma for In-Depth Accident Investigations. Paper presented at the DRIVE Conference in Brussels, February 4-6, 1991. Printed in: Advanced Telematics in Road Transport. Proceedings of the DRIVE Conference, Brussels, February 4-6, 1991. Edited by the Commission of the European Communities. Elsevier, 1991, Volume II, pp 892-907 (ISBN: 0 444 89043 2).