In this work we look at an element of smart cities, conditionally automated cars (SAE Level 3), investigating the factors influencing public acceptance in the United States. We apply an adaptation of the UTUAT2 model. Taking an experimental approach study 358 participants in the US were presented with a vignette outlining the L3 technology followed by a series of questions to capture their perceptions of conditionally automated cars. PLS-SEM was used to analyze the collected data. The results reveal that the acceptance of the technology, in order of decreasing importance, was determined by social influence, performance expectancy, hedonic motivation, facilitating conditions, and effort expectancy. Furthermore, hedonic motivation, social influence, facilitating conditions and effort expectancy all have a positive influence on the perception of how useful the technology is; facilitating conditions, hedonic motivation, and social influence all have a positive influence on effort expectancy; social influence and facilitating conditions positively influence hedonic motivation; and social influence positively influences facilitating conditions. A moderating effect for gender was found, with the effect of hedonic motivation influencing intention to adopt is more prominent for men.

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