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The design goal for the tracking interval of high-speed railway trains in China is 3 min, but it is difficult to achieve, and it is widely believed that it is mainly limited by the tracking interval of train arrivals. If the train arrival tracking interval can be compressed, it will be beneficial for China’s high-speed railway to achieve a 3-min train tracking interval. The goal of this article is to study how to compress the train arrival tracking interval.
By simulating the process of dense train groups arriving at the station and stopping, the headway between train arrivals at the station was calculated, and the pattern of train arrival headway was obtained, changing the traditional understanding that the train arrival headway is considered the main factor limiting the headway of trains.
When the running speed of trains is high, the headway between trains is short, the length of the station approach throat area is considerable and frequent train arrivals at the station, the arrival headway for the first group or several groups of trains will exceed the headway, but the subsequent sets of trains will have a headway equal to the arrival headway. This convergence characteristic is obtained by appropriately increasing the running time.
According to this pattern, there is no need to overly emphasize the impact of train arrival headway on the headway. This plays an important role in compressing train headway and improving high-speed railway capacity.
Tian, C., Zhang, S., Zhang, Y., & Jiang, X. (2015). Research on train tracking interval time of high-speed railway. Journal of Railway, 37(10), 1–6.
Zhang, Y., Tian, C., Jiang, X., & Wang, Y. (2013). Calculation method of train interval time in high-speed railway. China Railway Science, 34(5), 120–125.
Zhang, S., Tian, C., & Yan, H. (2017). Adaptability of the removal coefficient method in calculation method of high-speed railway’s passing capability. Journal of Transportation Systems Engineering and Information Technology, 17(2), 148–153.
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