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Unlike previous manual or mechanized methods, Hi-Pass may pay tolls without stopping, but conflicts between vehicles occur in areas where the speed limit is less than 30 km/h and join after the fare collection, and environmental factors that cause a lot of carbon dioxide during low-speed driving through the Hi-Pass section are pointed out as disadvantages (Lee et al., 2014). Unlike previous manual or mechanized methods, Hi-Pass may pay tolls without stopping, but conflicts between vehicles occur in areas where the speed limit is less than 30 km/h and join after the fare collection, Moreover, environmental factors that cause a lot of carbon dioxide during low-speed driving through the Hi-Pass section are pointed out as disadvantages (Lee et al., 2014). In order to improve such shortcomings, the need for a more efficient toll collection system that can handle charges while maintaining a high-speed driving environment has emerged. Accordingly, domestic smart tolling began with the Smart Highway R&D project in July 2009, and as of the end of 2017, a total of 32 meals were built in 22 toll booths. Korea Expressway Corporation will spread the smart toll system to all 345 highway toll stations nationwide (Lee et al., 2014). Korea will carry out C-ITS demonstration project in 2018 to become the world's first country to fully implement the unmanned highway system in 2030, and it is expected to have a positive impact on the domestic economy, society and culture. It is very meaningful to analyze what factors affect users' intention to use and social benefits for the successful introduction and spread of Smart-Tolling.
This research developed a research model based on a technology acceptance model (TAM) and a value-based acceptance model (VAM) by deriving service characteristics (convenience, reliability), technical characteristics (flexibility, stability), and environmental characteristics (conversion cost, effectiveness of policy) as factors that affect the intention of using Smart-Tolling system as a result of introducing new information technology. Based on the developed research model, the research explored what factors can be used more actively by Smart-Tolling system users.
The results of this research are believed to provide useful information for finding directions and securing policies suitable for the introduction and diffusion of Smart-Tolling, analyzing factors of influence on social benefits that may arise from the introduction of Smart-Tolling systems, and analyzing potential users of gradually spreading Smart-Tolling.