This map shows the geographic impact of T Vaa's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by T Vaa with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites T Vaa more than expected).
This network shows the impact of papers produced by T Vaa. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by T Vaa. The network helps show where T Vaa may publish in the future.
Co-authorship network of co-authors of T Vaa
This figure shows the co-authorship network connecting the top 25 collaborators of T Vaa.
A scholar is included among the top collaborators of T Vaa based on the total number of
citations received by their joint publications. Widths of edges
represent the number of papers authors have co-authored together.
Node borders
signify the number of papers an author published with T Vaa. T Vaa is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Delhomme, Patricia, Sonja Forward, Anabela Simões, et al.. (2009). Campaigns and awereness-raising strategies in traffic safety. Manual for designing, implementing, and evaluating road safety campaigns.6 indexed citations
5.
Vaa, T, et al.. (2008). Winter Operations in View of Vision Zero. Transportation research circular. 16–26.1 indexed citations
6.
Vaa, T, et al.. (2007). Large scale introduction of automated transport -Which legal and administrative barriers are present?.1 indexed citations
7.
Vaa, T, et al.. (2007). Salting av veger : en kunnskapsoversikt. Duo Research Archive (University of Oslo).
8.
Vaa, T, et al.. (2006). ITS AND EFFECTS ON ROAD TRAFFIC ACCIDENTS - STATE OF THE ART.8 indexed citations
9.
Vaa, T, et al.. (2006). OPPORTUNITIES AND THREATS OF ITS - EXPERT OPINIONS -.
10.
Vaa, T, et al.. (2004). Acceptance of ADAS/AVG systems from questionnaires in three European cities. ePrints Soton (University of Southampton).1 indexed citations
11.
Vaa, T. (2004). IMPLEMENTATION OF NEW SANDING METHOD IN NORWAY.3 indexed citations
12.
Vaa, T, et al.. (2004). Sand, salt and hot water in winter road maintenance.1 indexed citations
13.
Vaa, T, Terje Assum, Pål Ulleberg, & Knut Veisten. (2004). Effects of Information Campaigns on Behaviour and Road Accidents - Conditions, Evaluation and Cost-Effectiveness.5 indexed citations
14.
Vaa, T. (2003). Impairments, diseases, age and their relative risks of accident involvement: results from meta-analysis.84 indexed citations
15.
McDonald, Michael, et al.. (2002). STARDUST: A RESEARCH ON DEPLOYMENT OF URBAN SUSTAINABLE TRANSPORT SYSTEMS. ePrints Soton (University of Southampton).1 indexed citations
16.
Vaa, T, et al.. (2002). DEVELOPMENT OF A NEW SANDING METHOD BASED ON A MIX OF SAND AND HOT WATER, AND IMPLEMENTATION AND CONSEQUENCES FOR THE ORGANIZATION OF GRITTING OPERATIONS.1 indexed citations
17.
Vaa, T. (2001). EFFECTS OF ROAD TRAFFIC SAFETY MEASURES: A PRESENTATION OF THE TRAFFIC SAFETY HANDBOOK.
18.
Vaa, T, et al.. (2001). Winter Friction Project in Norway. Transportation Research Record Journal of the Transportation Research Board. 1741(1). 34–41.8 indexed citations
19.
Delhomme, Patricia, et al.. (1999). DELIVERABLE 4: EVALUATED ROAD SAFETY MEDIA CAMPAIGNS: AN OVERVIEW OF 265 EVALUATED CAMPAIGNS AND SOME META-ANALYSIS ON ACCIDENTS. STATUS (PUBLIC).1 indexed citations
20.
Vaa, T, et al.. (1994). USE OF SALT AS DEICING AGENT IN THE WINTER ROAD MAINTENANCE.2 indexed citations
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive
bibliographic database. While OpenAlex provides broad and valuable coverage of the global
research landscape, it—like all bibliographic datasets—has inherent limitations. These include
incomplete records, variations in author disambiguation, differences in journal indexing, and
delays in data updates. As a result, some metrics and network relationships displayed in
Rankless may not fully capture the entirety of a scholar's output or impact.