• Proceedings of the KSR Conference
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• 1999.05a
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• pp.33-40
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• 1999

Park and Ride(P＆R) system has not implemented it's intended object in Seoul metropolitan area, still less it didn't impact on diminishing the ridership of urban railway. This paper is focused on analysis of Park and Rail ride user survey of travel behavior and trip chain. We propose the ideal location of P＆R in Seoul and stratagies to increase the utilization of P＆R.

• Proceedings of the KSR Conference
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• 2005.11a
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• pp.976-981
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• 2005

The Seoul subway line No.2 is the one of the busiest metro service line of the passenger transportation in Seoul metropolitan city. The number of the passengers served by the Seoul subway line No.2 is more than 1.9 million in a day according to the transportation reference of 2004, which is about $15\%$ of the whole population in Seoul metropolitan city. This is the reason why the Seoul Metropolitan Subway Corporation(SMSC) is implementing the refurbishment of the current ATS signalling system of Seoul Line No.2 into the most advanced ATO system with the continuous air-gap telegram transmission through the track circuit without any suspension of the train service either in when or in where, which is the first in the world in its attempt to refurbish the old signalling system under service without any suspension of the train operation.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.37 no.1
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• pp.119-124
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• 2017

In this paper, 18 railway stations in Gyunggi-do are selected as metropolitan transfer centers out of 203 stations based on three elements. They are the number of passengers, the level of connection transport, and the level of relevant plans. For 18 stations the level of service (LOS) is analyzed for connection transport system. As a result, half of them are found to be below LOS "D". In order to maximize the use of those railway stations, a method is proposed to upgrade the level of service to "C" above. Finally, the improvement plans are suggested for two acts. In the Special Act on Metropolitan Traffic Management of the Metropolitan Region, the central government financial support ratio is suggested from 30% to 50%, from "necessary costs" to "total costs." In the Act on National Integrated Transport System Efficiency, 50% for connection road and 70% for connection raiway are suggested.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.30 no.4D
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• pp.403-411
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• 2010

Nowadays, Light railway system is attracted public attention as solution for metropolitan traffic congestion. But it is difficult to decide an appropriate light railway system. It is especially hard in the Seoul metropolitan to decide an appropriate system, because there are many factors that must considered. So we research application status of light railway system that is scheduled or promoted in the Korea and the foreign nations. And we selected systems by types of city. In this paper, we divided into 6 types of city through factor analysis and cluster. And we considered various factor such as technology, transportation, environment etc that used previous research and feasibility study. To determine the priority among the factors, AHP(Analytic Hierarchy Process) was applied as a method for multi-standard decision method.

• Journal of the Korean Society for Railway
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• v.19 no.3
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• pp.388-396
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• 2016

The metropolitan subway network of Seoul has gone through many evolutionary processes in past decades to disperse the floating population and improve the traffic flow. In this study, we analyzed how the structural characteristics and the efficiency of the subway network have changed according to the dynamic evolutionary processes of the metropolitan subway network of Seoul. We have also proposed new measures that can be used to characterize the structural properties of the subway network more practically. It is shown that the global efficiency is about 74%, which is higher than those of subway networks of foreign countries. It should also be considered that passenger flow between stations is even higher, at about 85%. Since the private lines, including line 9, the New Bundang line, the Uijeongbu line, and the Ever line do not release their traffic data since September, 2013, only 5 years of data from September, 2008 to September, 2013 is available. So, in this study we limit the analysis period to these 5 years.

• Proceedings of the KSR Conference
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• 2001.05a
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• pp.36-43
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• 2001

Although the transferring is one of the most important factors in urban railways, there is very little analytic research in the transfer-related field. This paper analyses the transfer rate of urban railways in the Seoul Metropolitan Area and the actual passenger boardings and alightings at transfer stations using the AFC(Automatic Fare Collector) O/D data collected doling Sep. 2000. According to the results of this study the transfer rate is 0.657, which is calculated from the transfer hoardings/initial boardings. And the actual ridership of Subway Line 2 and Line 5 are different from the data which was provided by the AFC.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.13 no.12
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• pp.6098-6104
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• 2012

Currently, dozens of CCTVs are widely used in railway station for monitoring passengers in danger and security areas. The most frequent accidents occur at the platform area where passengers boarding the train. However, It is almost impossible that station operator monitors dozens of CCTV screens and recognizes immediately accidents and handle them. Therefore, railway platform monitoring system using image processing technology which automatically detects platform accidents is needed, and in order to that, preferentially, accurate determination of train state in the platform is required. In the paper, we propose train state detection algorithm for vision based railway platform monitoring system. the proposed algorithm determines four different states i.e. trains approach(IN), departure(OUT), stop(ON), and empty(OFF) of the train, in the platform. To evaluate the proposed algorithm, we present the train detection results for the Seoul Metro Line 4 Dongjak and Namtaeryeong Station.

• Proceedings of the KSR Conference
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• 2009.05a
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• pp.1269-1278
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• 2009

The Seoul metropolitan area is generated the transportation problems of traffic congestion, delay of travel time, etc due to the increase of traffic demand at Seongnam area, Koyang/Paju area, Incheon/Bucheon area, etc, because that have not provided the urban surrounding railway network and live to be concentrated about 49% of the population of Korea. The Koyang/Paju route axis is required the urban surrounding railway network because the share percentage of public transportation is 51%, the automobiles is 48.8% and the subway is 27.3% and the housing development plan for 530,000 persons have provided. According to the result of the study for the introduction of the express railway between Kangnam to Ilsan of 37.8Km, in case of operation of 150Kmm at express railway, the scheduled speed between Kangnam to Ilsan is 103Km/h, the running time is about 23 minutes. The demand of traffic of this project was forecasted about 237,000persons by traffic analysis. This project which was analysed B/C of 1.08 by the result of the feasibility study have a economic feasibility.

• Journal of the Korean Society for Railway
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• v.20 no.3
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• pp.413-422
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• 2017

In this study we investigate the importance of the subway station using network centrality measures. For centrality measures, we have used betweenness centrality, closeness centrality, and degree centrality. A new measure called weighted betweenness centrality is proposed, that combines both traditional betweenness centrality and passenger flow between stations. Through correlation analysis and power-law analysis of passenger flow on the Seoul metropolitan subway network, we have shown that weighted betweenness centrality is a meaningful and practical measure. We have also shown that passenger flow between any two stations follows a highly skewed power-law distribution.

• Proceedings of the KSR Conference
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• 2009.05a
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• pp.306-314
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• 2009

With the global adoption of the reduction policy on greenhouse gas and environmental pollution, that is 'low carbon green growth', the central and local governments strive to increase their investments in railways in an effort to replace fossil fuels, and seek the ways to diversify and vitalize the tourism resources taking full advantage of the railway systems. Seoul metro has therefore launched 'A research on the development of the Bukhan mountain railway' for the establishment of the environmentally friendly tourism belt making good use of Mt. Bukhan., the only national park in the Seoul metropolitan area, with its picturesque scenery. This paper pursues the basic directions for the application scope of the relevant laws and regulations for the development of the mountain railways as part of our continuing effort to further 'A study on the development of the Bukhan mountain railway' along with the review on the project implementation policy pursuant to the applicable laws on private investment for social infrastructures.