| Summary: | Considering the high ratio of group travellers to individual travellers among air-rail integrated service (ARIS) passengers, the airport arrival behaviors of both individual and group ARIS passengers are thoroughly analyzed and compared with the multinomial logit model and mixed multinomial logit model by taking the group as the decision unit. Compared with individual ARIS passengers, the results show that: first, the airport arrival behaviors of group ARIS passengers should be analyzed separately according to the goodness of fit; second, group ARIS passengers attach more importance to both group sociodemographics and ARIS trip attributes; and third, groups with close member relations and a high ratio of males prefer alternatives with the shortest total ground access time. Finally, group ARIS passengers consistently prefer ARIS trip attributes after conducting group decision-making.
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