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윤혁렬 ( Hyuk Ryul Yun ),김승준 ( Seung Jun Kim ),안기정 ( Gi Jung An ),명지원 ( Ji Won Myung ) 서울시정개발연구원 2010 연구보고서 Vol.2010 No.7
The 7 LRT lines in the "Seoul 10-Years Urban Railway Master Plan" were designed to redress past inequality of public transportation across communities. The benefits of which were found to clearly outweigh the costs, then the government announced that the infrastructure projects would be implemented in private participation manner. It is, however, time to find a better way to lead to successful launch because citizens have expressed concern over slow progress in railway projects due to low profitability and high financial risk of current market conditions. As mentioned, it is difficult to expect high profitability for the 7 LRT lines because they were planned with a focus on improving fairness of public transportation. In particular, the quantitative analyses for some railway lines indicate that there would be value for money in pursuing government investments over private participation schemes. Under the unfavorable circumstance of attracting more private investment for these lines, the government needs to develop new strategy to speed up the railway project. This research suggests that the government controls over investment and construction of infrastructure and sells the right of operation to private sectors after the ramp-up periods of the next two to three years, as opposed to the traditional process, where public and private sectors cooperate for whole process, from beginning to end. There are four advantages to this process. The first is that the government is able to finance capital for infrastructure construction at very favorable rates, resulting in overly large cut in its expenditure. The second is that with the new strategy of allowing private sector operations after construction it is possible for the government to withdraw in the short term some of its capital investment. The third is that private sector operations increase competition and efficiency in service provision, Lastly and more importantly, private sectors assess and manages risks due to uncertain demand, which is expected to be stable during ramp-up period. The LRT projects may not attain financial viability on account of inadequate revenue with the current integrated distance-based fare system. In order to seek affordable fares with financial viability, therefore, a sensitivity analysis was performed for the level of fare increase, distance-based fare rate increase, and fare exemption for the old. The results indicate that the increase in fares to 1000~1200 won would generate additional 7.4~19.6% revenues, the change of distance-based fare rate leading to the increase in the order of 4.5~9.88%. In addition, two fare schemes, providing exemption to older people who are at least 70 years and offering only 50% discount over full fare exemption, result in 4.5~9.88% fare increases. In oder to promote a business incidental to a railway enterprise a total of 16 railway stations among 25 changeover stations between the existing subway lines and the planned LRT lines were identified. These are more intense transfer hub stations, where bridging the space property and the development of interactive subway is highly possible. In particular, Dong-Buk line and Seo-Bu line would provide the greatest opportunities to offer maximum economic development, which include the development of trasfer-passageway as well as station rehabilitation. A comprehensive plan regarding a business incidental to a railway enterprise is a starting point for the LRT projects to be more effective and viable. It is expected that recent revision of standards covering all aspects related to urban railway construction would help in reducing approximately 10% construction costs for ticket facilities, stairs, public rest rooms, and station platforms. Also, adding more flexibility to build operating management possibly leads to significant cost savings, which enables operators to control railway stations more efficiently in either a human-supervised or in an automatic centralized manner.