The current study aims to investigate the aberrant driving behaviour and risk involvement of Iranian taxi drivers. The sample comprised 405 Iranian taxi drivers, who were recruited with a cross-sectional design, using a self-completion questionnaire survey during October and November 2016. We contribute to the literature by understanding how and to what extent the socioeconomic, demographic, driving, and aberrant driving behaviours influence risk involvement (accident involvement and traffic tickets). The validated 27-item Driver Behaviour Questionnaire (DBQ) was applied to measure aberrant driving behaviour. The results from valid observations (n = 381) explored a four-factor solution (including errors, ordinary violations, lapses, and aggressive violations) of the DBQ. The results also showed that being a single driver, having a high annual driving mileage, and a high number of daily taxi trips were positively associated with accident involvement. Furthermore, there was a positive correlation between the more ordinary violations and aggressive violations and accident involvement. Establishing better training and qualification mechanisms for taxi drivers could be considered by traffic safety experts in order to reduce ordinary and aggressive violations.

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The aim of this study was to investigate the relative roles of the norm activation model (NAM), transport priorities and situational constraints (car ownership, distances, gender and age) while considering spatial heterogeneity on university trips among students in the winter season. A cross-sectional survey was conducted among university students (n = 441) at the two largest university campuses in Trondheim (Dragvoll and Gløshaugen), Norway. Linear mixed model analyses showed that Dragvoll campus, allocated in a more rural area of the city, was associated with more use of car and public transportation (bus or tram), and less active transportation (walking or bicycling) than Gløshaugen campus which is located in an urban area. While adjusting for spatial heterogeneity, the findings showed that situational constraints were somewhat more important for mode use than psychological variables. Car ownership was associated with more car use and less use of public transportation. Longer walking time from students' residence to university was related to more use of public transportation and less active transportation. Strong priorities of physical activity were related to less public transportation mode use and more use of active transportation. Increased awareness of the negative consequences of car use was associated with more use of active transportation and less car use.Those who strongly prioritized convenience when choosing transportation modes tended to use a car. To further promote sustainable transportation mode use on university trips among Norwegian students it may valid to focus on situational constraints. However, psychological variables such as the awareness of consequences component in the NAM and psychological priorities could also be relevant for students' mode use in this season.

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