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Long-term trends in domestic US passenger travel: the past 110 years and the next 90

机译:美国国内旅客旅行的长期趋势:过去110年和未来90年

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摘要

Based upon a long-term historical data set of US passenger travel, a model is estimated to project aggregate transportation trends through 2100. One of the two model components projects total mobility (passenger-km traveled) per capita based on per person GDP and the expected utility of travel mode choices (logsum). The second model component has the functional form of a logit model, which assigns the projected travel demand to competing transportation modes. An iterative procedure ensures the average amount of travel time per person to remain at a pre-specified level through modifying the estimated value of time. The outputs from this model can be used as a first-order estimate of a future benchmark against which the effectiveness of various transportation policy measures or the impact of autonomous behavioral change can be assessed.
机译:根据美国旅客旅行的长期历史数据集,估计有一个模型可以预测到2100年的总体运输趋势。这两个模型组成部分之一是根据人均GDP和人均GDP预测人均总机动性(行人公里)。出行方式选择的预期效用(对数和)。第二个模型组件具有logit模型的功能形式,该模型将预计的旅行需求分配给竞争性交通方式。通过修改时间估计值,迭代过程可确保每人的平均旅行时间保持在预定水平。该模型的输出可用作未来基准的一阶估算,以此可以评估各种运输政策措施的有效性或自主行为改变的影响。

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