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Inferring left behind passengers in congested metro systems from automated data |
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| Institution: | 1. Department of Civil Engineering, Tsinghua University, No. 1 Zhongguancun East Road, Haidian District, Beijing, China;2. Beijing Transport Institute, No. 9 LiuLiQiao South Road, Fengtai District, Beijing, China;3. School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ, USA;1. School of Traffic and Transportation, Beijing Jiaotong University, Beijing and 100044, China;2. College of Engineering and Applied Science, University of Cincinnati, Cincinnati and 45221, USA |
| Abstract: | With subway systems around the world experiencing increasing demand, measures such as passengers left behind are becoming increasingly important. This paper proposes a methodology for inferring the probability distribution of the number of times a passenger is left behind at stations in congested metro systems using automated data. Maximum likelihood estimation (MLE) and Bayesian inference methods are used to estimate the left behind probability mass function (LBPMF) for a given station and time period. The model is applied using actual and synthetic data. The results show that the model is able to estimate the probability of being left behind fairly accurately. |
| Keywords: | Left behind Automated data Passenger assignment Maximum likelihood estimation Bayesian estimation MCMC sampler |
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