| Summary: | 碩士 === 國立臺北大學 === 公共行政暨政策學系 === 98 === Computer networks produced an information revolution in the late 20th century. The resulting information technology continued to develop and mature during the early years of 21th century, such that various technologies have now found social application. At the same time, the production , distribution and application of information has become an important factor influencing government-directed economic development. Traditionally, engineers have looked to improve transportation networks by building roads to enhance traffic flows, but using information technology to design a more intelligent transportation system – ITS – it is now possible to achieve significant improvements by enhancing the effectiveness of existing infrastructure.
In 2002, the Executive Yuan formulated “Challenge 2008 – National Development Plan”,which included the“Digital Taiwan Plan”,“Transport Service E-Network Plan”, and a sub-project: the“E-Traffic Plan”. The“E-Traffic Plan”was launched with the intention of building an instant traffic information system for road users. To provides users with real-time traffic information and realize greater efficiencies and a higher degree of user satisfaction, the Institute of Transportation in the Ministry of Transportation and Communication, established the“National Traffic Information Center”web service in December 2004. Based on observations of the number of visitors, this study finds that the web service is under-utilized. In order to increase usage and satisfaction, it is necessary to examine user perceptions, appraisals and intended usages.
Using literature review and questionnaire survey methods, this study adopts the viewpoints of Technology Acceptance Model and Information System Success Model to investigate the factors that influence the ultimate usage intention of the“National Traffic Information Center”web service. Considering the short history and low-usage rates of this web service, this study limits the surveyed population to employees familiar with traffic affairs in the Directorate General of Highways.
This study is based on nine research constructs: image, subjective norm, perceived usefulness, relative advantage, information quality, result demonstrability, perceived ease of use, perceived behavioral control and behavior intention of use. By analyzing the different personal background of users and non-users, and their perceptions and usages of the“National Traffic Information Center”web, this study aims to understand the real usage intentions of web visitors. The research results show that factors influencing usage intention are the perceived usefulness and behavioral control. In addition, relative advantage and information quality affect the perceived usefulness.
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