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張德亨,沈大榮 관동대학교 1997 關大論文集 Vol.25 No.2
The rapid motorization during the recent years has caused more traffic problems such as congestion and accidents. Expanding the transportation facilities cannot be the ultimate solution because fo the shortage of the necessary national finances and the environmenal impacts. As one of alternatives, Automated Highway Systems (AHS) which is the sub-system of Intelligent Transport Systems(ITS) is being considered to have the potential for offering larger capacity and safety gains without requiring significant amounts of additional right-of-way. This paper focuses on the policy issues and strategies for the implementation of AHS in Korea. This paper also defines the functional requirements of the AHS classifying it by highway, vehicle and control elements. These requirements are prepared considering the changes of the national highway network system in the future. Meanwhile, this paper is to be designed for the necessary physical design elements to meet the standard requirements including typical highway cross sections, and access and egress facitities, etc. This paper suggests the phase plan reflecting the development of technical status. And, this paper assesses initial evaluation about AHS feasibility through the effectiveness, the obstacles and counterplans, and the benefit-cost analysis.
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金昌均,張德亨,沈大榮 관동대학교 1998 關大論文集 Vol.26 No.2
As the urban traffic problems become serious the transportation policy on constraining the use of passenger vehicles is implemented. It is noticed that activating the public transportation mode is a very efficient method to reduce the traffic congestion in urban area. The ways of increasing the public transit demand are various such as construction of a new subway route, increase the number of buses, enhancement on level of service, provision of transfer comfort between public transportation modes etc. Improvement of public transportation fare collection system is a major concern in this research. Payment tools and system in riding buses, subways are different each other. Integrating the public transportation fare collection system will be helpful to increase the comfort in riding the transit, facilitate the use of the transit. The aim of the research is to apply the IC(Integrated Circuit) card system to the integration of public transportation fare collection system. The problems on buses, subways in a view of operating the general fare system of transit are analyzed by investigating the fare structure and the collection system. The IC card system implementing in the city o0f seoul is examined in comparison with the existing integration fare system in other countries. Finally the integration scheme on public transportation fare collection system will be developed. The effect analysis on that scheme is also included.
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