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The aim of this studywas to examine and compare psychological factors influencing car drivers? andmotorcycle riders? speeding intentions (IN), using the Theory of PlannedBehaviour (TPB). The psychological factors modules included Attitude (AT),Subjective Norm (SN) and Perceived Behavioural Control (PBC). These wereemployed to explain speeding intentions in urban road environments. A sample of188 car drivers and 174 motorcycle riders were collected from the twouniversities within Khon Kaen, Thailand. The Structural Equation Model (SEM)was used to examine and explain speeding intentions. The results indicated thatthe TPB could explain 33% and 41% of the variance of intentions by car driversand motorcycle riders, respectively. The most significant psychological factorfor car drivers was determined by attitude (AT), while the speeding intentionof motorcycle riders was attributed to perceived behavioural control (PBC). Theauthorities in Khon Kaen Province should determine safety policies that canimprove these psychological factors, which could have various effects oroutcomes on changing car drivers? and motorcycle riders? speeding intentions.The outcome of this study could help to understand car drivers? and motorcycleriders? speeding intentions in urban road environments and it could be usefulfor development of safety measures. |
