Multimodal transfer at urban rail station has good effects to yield a larger usage of the urban rail transit system, and at the same time may alleviate the traffic load on the urban road network. However, urban rail transit heavily relies on the access and egress transit, hence on the corresponding transfer facilities. Therefore, passengers’ choice depends on the design of transfer facilities at urban rail station area to a great extent. An improvement in these transfer facilities is to promote integration level, which may attract passengers to urban rail transit more conveniently. In this paper, we focus on the transfer coupling status of multimodal transfer facilities at urban rail stations. To this end, multimodal transfer system at urban rail stations is dissected regarding urban rail transit trip chain from origin to destination and multimodal modes in station area. Transfer distance matrix is proposed as a useful tool to show equivalent walking distance (EWD) between transfer facilities to urban rail transit, which shows types of transit facilities, location and number of all facilities and practical walking distance clearly during access transfer trip and egress transfer trip. Multimodal transfer coupling concept at urban rail station is put forward to analyze integration level problem, after which transfer coupling model is established, including transfer coupling degree for multimodal modes and different entrances. Field observation of urban rail station was conducted at Lelylaan station in the city of Amsterdam, and coupling status analysis derived from the collected data is discussed. The models could have a reasonably good fit to practical case, and the findings presented in this study are thus directly valuable for planners and designers aimed at improving urban rail transit ridership.
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