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Assessing traveler compliance with the social optimum: A stated preference study
Travel Behaviour and Society ( IF 5.850 ) Pub Date : 2021-02-01 , DOI: 10.1016/j.tbs.2020.12.005
Guilhem Mariotte , Ludovic Leclercq , Humberto Gonzalez Ramirez , Jean Krug , Cécile Bécarie

The development of Advanced Traveler Information Systems (ATIS) with en-route navigation systems has opened the door to new traffic regulation policies such as collective route guidance based on social costs, i.e. routes that minimize total travel time. However, a critical element for their efficiency is the compliance of travelers with route recommendations. It is well established that the social optimum is different from user equilibrium, where users drive on their shortest path. Thus, even when knowing that recommendations are for the common good, users may still choose not to follow the guidance given and drive as they wish. In this paper, we use a stated preference survey based on route choice situations from a real network to investigate traveler compliance for different levels of travel time sacrifice vs several social benefits. Two kinds of social benefits are considered: congestion alleviation and emission reduction. The data collected allows us to precisely quantify the travel time sacrifice that a given proportion of travelers would be ready to accept in order to take a different alternative that has a given level of social benefit. In line with the literature, our analysis confirms the decrease of compliance with the increase of sacrifice. Moreover, it suggests that the way the recommendation is intended could play a significant role in the level of compliance: the display of an advice message for the social path (in the congestion alleviation case) is shown to be more efficient than only showing additional information (in the emission reduction case).



中文翻译:

评估旅行者是否符合社会最优要求:一项明确的偏好研究

带有航路导航系统的高级旅行者信息系统(ATIS)的开发为新的交通法规政策打开了大门,例如基于社会成本的集体路线指南,即使总旅行时间最小化的路线。但是,提高效率的关键因素是旅行者必须遵守路线建议。众所周知,社会最优与用户均衡不同,后者是用户沿着最短的道路行驶。因此,即使知道建议是为了共同利益,用户仍然可以选择不遵循给出的指导并按照自己的意愿驾驶。在本文中,我们使用基于真实网络中路线选择情况的既定偏好调查,以调查旅行者在不同水平的旅行时间牺牲与多种社会福利上的合规性。考虑了两种社会效益:缓解拥堵和减少排放。收集的数据使我们能够精确地量化出一定比例的旅行者准备接受的旅行时间牺牲,以便采取具有给定社会福利水平的其他替代方案。与文献一致的是,我们的分析证实了牺牲增加会降低依从性。此外,它表明建议的建议方式可能会在合规性水平方面发挥重要作用:显示社交路径的建议消息(在拥堵缓解情况下)比仅显示其他信息更有效(在减排情况下)。收集的数据使我们能够精确地量化出一定比例的旅行者准备接受的旅行时间牺牲,以便采取具有给定社会福利水平的其他选择。与文献一致的是,我们的分析证实了牺牲增加会降低依从性。此外,它表明建议的建议方式可能会在合规性水平方面发挥重要作用:显示社交路径的建议消息(在拥堵缓解情况下)比仅显示其他信息更有效(在减排情况下)。收集的数据使我们能够精确地量化出一定比例的旅行者准备接受的旅行时间牺牲,以便采取具有给定社会福利水平的其他替代方案。与文献一致的是,我们的分析证实了牺牲增加会降低依从性。此外,它表明建议的建议方式可能会在合规性水平方面发挥重要作用:显示社交路径的建议消息(在拥堵缓解情况下)比仅显示其他信息更有效(在减排情况下)。与文献一致的是,我们的分析证实了牺牲增加会降低依从性。此外,它表明建议的建议方式可能会在合规性水平方面发挥重要作用:显示社交路径的建议消息(在拥堵缓解情况下)比仅显示其他信息更有效(在减排情况下)。与文献一致的是,我们的分析证实了牺牲增加会降低依从性。此外,它表明建议的建议方式可能会在合规性水平方面发挥重要作用:显示社交路径的建议消息(在拥堵缓解情况下)比仅显示其他信息更有效(在减排情况下)。

更新日期:2021-02-01
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