POSSIBILITIES OF HIGH FREQUENCY TRAIN OPERATION USING MOVING BLOCK SIGNALING: A CASE STUDY OF DENEN-TOSHI LINE AND HANZOMON LINE

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  • 移動閉そく信号制御による都市鉄道の超高頻度運転の可能性 ―田園都市線と半蔵門線のケーススタディ―

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<p> Congestion in the morning commute at several urban railways and stations is a serious problem in Tokyo metropolitan area. Discussing the required capacity upgrades to accommodate current travel demand is an important process in promoting of capacity investments. Under ideal conditions moving block signaling system (MBS) can provide headways of 90 seconds or less without construction works for the quadruple track. Passengers would see substantially less waiting and crowding with MBS that equates to 40 or more trains per hour.</p><p> In this paper, the authors have studied possibilities of high frequency train operation using MBS for the Denen-toshi line and Hanzomon line in Tokyo Metropolitan area as a case study. Two methods were used for that purpose. More specifically, a theoretical approach for train operation and an agent-based simulation approach were conducted. It was found that the case study line with improving both the Shibuya station capacity and communication delay is probable to operate at headways of 95 seconds.</p>

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