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Travelers' preferences in multimodal networks: Design and results of a comprehensive series of choice experiments

机译：旅行者在多式联运网络中的偏好：一系列选择实验的设计和结果

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The modeling of individuals' choice behavior in integrated multimodal transport networks requires the estimation of preference parameters related to the trade-off between uni-modal trips and multimodal combinations of private and public modes as well as relevant attributes of access, main and access stages of the trip. The stated choice method is a well-established method to estimate travel choice models empirically. However, including all relevant elements in a single experiment will not only result in choice tasks that are too complex for respondents but will also lead to choice-sets that include options that are not feasible for a given trip distance. To overcome this problem, this paper develops an approach that involves the use of a series of SP experiments to estimate a single comprehensive multimodal travel choice model. In total, four experiments are designed focusing on particular multimodal (including Park-and-Ride options) and public-transport choices for trips of varying distance. A representative national sample (N = 2746) of individuals from the Netherlands participated in the experiments through an online questionnaire. The data pooled across experiments are used to estimate the model in a scaled error-component-mixed multinomial logit framework. In this way, valuations of time, costs and service-quality attributes could be estimated on a relatively high level of detail concerning modes and trip stages. Comparisons with previous research indicate that the parameter estimates have reasonable values. The estimation results offer rich information on how travelers tradeoff between travel-time, travel-costs and service-quality attributes in travel choice in multimodal networks.
机译：在综合多式联运网络中对个人选择行为的建模需要估计与单程旅行与私人和公共模式的多式联运之间的权衡以及进入，主要和进入阶段的相关属性有关的偏好参数的估计。旅行。陈述的选择方法是一种行之有效的凭经验估计旅行选择模型的方法。但是，将所有相关元素包含在一个实验中，不仅会导致选择任务对受访者来说过于复杂，还会导致选择集包含对于给定行程距离不可行的选择。为了克服这个问题，本文开发了一种方法，其中涉及使用一系列SP实验来估计单个综合多式联运旅行选择模型。总共设计了四个实验，侧重于特定的多式联运（包括“乘车出行”选项）和针对不同距离的出行的公共交通选择。来自荷兰的代表性国家样本（N = 2746）通过在线问卷参加了实验。跨实验收集的数据用于在比例误差成分混合的多项式logit框架中估计模型。通过这种方式，可以在有关模式和行程阶段的相对较高的详细程度上估算时间，成本和服务质量属性的评估。与先前研究的比较表明，参数估计具有合理的值。估计结果提供了丰富的信息，说明多式联运网络中旅行者在旅行时间，旅行成本和服务质量属性之间如何权衡。

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