Urban rail transit accounts for an increasing proportion of the travel structure and becomes the backbone of the city. At the same time, in order to make full use of the efficient and convenient rail transit, how other modes of transportation such as buses, cars, and bicycles form an effective multimodal transport mode has become a challenge for current traffic planners, managers and transportation travel participants. At this stage, the rapid development of urban shared bicycles provides favorable conditions for commuters to use bicycles to connect rail transit. This paper establishes the distance attenuation model and the non-aggregate price sensitivity measurement method under the influence of winter traffic restriction measures by studying the significant passenger flow using the bicycle to connect the rail transit of the Xi’an metro line 2 terminal Weiqu South Station. The RP and SP traffic survey data were used to analyze the impact of the restricted measures on the spatio-temporal threshold determination of the bicycle-connected rail transit, which provided a reference for the planners to formulate relevant plans for bicycle-connected rail transit.