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Travel Behaviour and Society最新文献

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How will passengers make the joint choice of departure time, trip-chaining, and travel mode under disruption of metro service? 在地铁服务中断的情况下,乘客将如何共同选择出发时间、行程衔接和出行方式?
IF 5.1 2区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-09-03 DOI: 10.1016/j.tbs.2024.100892

Understanding passengers’ behaviour during metro disruption can help operators adopt remedial strategies. Passengers will re-plan the departure time, trip-chaining, and travel modes upon getting disruption information. Previous literature has limited research on this behaviour. Hence, we conducted a two-week survey during the COVID-19 pandemic, collecting 3,400 samples to analyze the joint choice behaviour of passengers in Chongqing, China, regarding departure time, trip-chaining, and travel modes. The 12 Cross-Nested Logit (CNL) models were established to explore the passengers’ joint choice behaviour in 12 different disruption scenarios. Analysis results reveal that on weekdays, passengers tend to choose immediate departure, simple trip-chaining, and bridging buses. On weekends and holidays, passengers prefer immediate departure when the disruption duration is less than 60 min. Whereas when the disruption duration exceeds 60 min, passengers are more inclined to postpone departure time, which suggests that operators need to pay more attention to the potential risk of an increased number of hindered passengers in these scenarios. The CNL structure analysis shows that the nest-specific coefficient for “trip-chaining” is the smallest in the weekday scenarios, indicating a high correlation between simple trip-chaining and complex trip-chaining. The results also imply that when exogenous variables change, passengers primarily adjust their departure times and travel modes. Notably, in the 12 models, the frequency of travel cost and waiting time being significant variables is higher than that of transfer counts, indicating that passengers are more sensitive to travel cost and waiting time. And elasticity analysis also shows that passengers are more sensitive to the waiting time for bridging buses. This study can help planners adopt effective strategies to maintain the reliability and sustainability of transportation systems.

了解乘客在地铁中断期间的行为有助于运营商采取补救策略。乘客在获得中断信息后会重新规划出发时间、行程衔接和出行方式。以往文献对这种行为的研究有限。因此,我们在 COVID-19 大流行期间进行了为期两周的调查,收集了 3,400 个样本,分析了中国重庆乘客在出发时间、行程衔接和出行方式方面的共同选择行为。建立了 12 个交叉嵌套 Logit(CNL)模型,以探讨乘客在 12 种不同干扰情景下的共同选择行为。分析结果显示,在工作日,乘客倾向于选择立即发车、简单的行程衔接和搭桥巴士。在周末和节假日,当中断时间少于 60 分钟时,乘客倾向于选择立即发车。而当中断时间超过 60 分钟时,乘客更倾向于推迟发车时间,这表明运营商需要更加关注在这些情况下受阻乘客数量增加的潜在风险。CNL 结构分析表明,在工作日情景下,"行程连锁 "的特定巢系数最小,表明简单行程连锁与复杂行程连锁之间存在高度相关性。结果还表明,当外生变量发生变化时,乘客主要会调整出发时间和出行方式。值得注意的是,在 12 个模型中,旅行成本和等待时间成为显著变量的频率高于换乘次数,表明乘客对旅行成本和等待时间更为敏感。弹性分析也表明,乘客对衔接巴士的候车时间更为敏感。这项研究有助于规划者采取有效策略,以保持交通系统的可靠性和可持续性。
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引用次数: 0
Behavioral characteristics of bidirectional pedestrian-e-bike mixed flow at a signalized crosswalk: An experimental study 信号灯控制的人行横道上行人与自行车双向混合流的行为特征:实验研究
IF 5.1 2区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-09-02 DOI: 10.1016/j.tbs.2024.100897

Mixed-traffic crosswalks are a prevalent scene in urban traffic. Understanding the movement characteristics of bidirectional e-bike-pedestrian mixed flow is helpful to enhance traffic efficiency at an intersection. In this research, a controlled experiment on bidirectional e-bike-pedestrian mixed flow was conducted. There are three variables, namely the proportion of e-bike riders (i.e., 0.5 and 0.3), the directional split ratio (namely, 1:1, 1:2 and 1:5) and the presence of obstacles on both sides of the crosswalk (i.e., yes and no). Petrack software were used to extract the participants’ trajectories. Passing time, detour ratio, selection preference, fundamental diagrams, the temporal and spatial characteristics and congestion level are analysed depending on the trajectories. It is discovered that a higher proportion of e-bike riders combined with a smaller directional split ratio contributes to increasing passing time of e-bike riders. With the decreasing directional split ratio, the average detour ratios of both pedestrians and e-bike riders decrease. With the decreasing proportion of e-bike riders, the average detour ratio of pedestrians increases, while that of e-bike riders decreases. The average crossing speed of the minor flow is greater than that of the major flow. With the decrease of the directional split ratio, the congestion level in the measurement area also reduces. Pedestrians in balanced flow are more likely to cause large congestion degree than e-bike riders. These results are beneficial for the design of crosswalks, pedestrian crossing management and the configuration of traffic signals.

混合交通人行横道是城市交通中普遍存在的场景。了解双向电动自行车-行人混合流的运动特征有助于提高交叉口的交通效率。本研究对电动自行车和行人双向混合流进行了对照实验。实验中有三个变量,即电动自行车骑行者比例(即 0.5 和 0.3)、方向分流比(即 1:1、1:2 和 1:5)以及人行横道两侧是否存在障碍物(即有和无)。使用 Petrack 软件提取参与者的轨迹。根据轨迹分析了通过时间、绕行比例、选择偏好、基本图表、时空特征和拥堵程度。结果发现,电动自行车骑行者比例越高,方向分割率越小,电动自行车骑行者的通过时间就越长。随着方向分割率的减小,行人和电动自行车骑行者的平均绕行率也随之减小。随着电动自行车骑行者比例的降低,行人的平均绕行率增加,而电动自行车骑行者的平均绕行率降低。小股人流的平均过街速度大于大股人流。随着方向分流比的降低,测量区域的拥堵程度也随之降低。平衡流中的行人比电动自行车骑行者更容易造成大的拥堵程度。这些结果有利于人行横道的设计、行人过街管理和交通信号灯的配置。
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引用次数: 0
Comparative analysis of nonlinear impacts on the built environment within station areas with different metro ridership segments 比较分析不同地铁乘客段的车站区域对建筑环境的非线性影响
IF 5.1 2区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-08-30 DOI: 10.1016/j.tbs.2024.100898

A plethora of studies have investigated the nonlinear correlation between the built environment and metro ridership. However, the spatiotemporal heterogeneity of this relationship from the perspective of ridership segmentation has received little attention. To address this gap, this study capitalizes on data collected from Wuhan, China. We employ a sophisticated amalgamation of quantile regression models and machine learning methods to construct direct ridership models (DRMs) for different ridership segments (low, medium, and high) and distinct temporal intervals (weekdays and weekends). The primary objective of these models is to scrutinize the salient factors that influence metro ridership within the context of spatiotemporal heterogeneity, including nonlinear relationships and threshold effects of the built environment. The research findings reveal pronounced differences in the significant influencing factors of the built environment on metro ridership across various ridership segments and temporal periods. Additionally, conspicuous spatiotemporal heterogeneity is discerned in the nonlinear relationships and threshold effects between the two. Consequently, considering the spatiotemporal heterogeneity inherent in metro stations, targeted policy optimization measures fostering the sustainable development of transit-oriented development (TOD) strategies are essential.

已有大量研究探讨了建筑环境与地铁乘客数量之间的非线性关系。然而,从乘客细分的角度来看这种关系的时空异质性却很少受到关注。为了填补这一空白,本研究利用了从中国武汉收集的数据。我们采用了量子回归模型和机器学习方法的复杂组合,为不同的客流细分(低、中、高)和不同的时间区间(工作日和周末)构建了直接客流模型(DRMs)。这些模型的主要目的是在时空异质性的背景下,仔细研究影响地铁乘客数量的突出因素,包括非线性关系和建筑环境的阈值效应。研究结果表明,在不同乘客段和不同时间段,建筑环境对地铁乘客量的重要影响因素存在明显差异。此外,两者之间的非线性关系和阈值效应也存在明显的时空异质性。因此,考虑到地铁站固有的时空异质性,必须采取有针对性的政策优化措施,促进公交导向发展(TOD)战略的可持续发展。
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引用次数: 0
Labor issues from the perspective of drivers on the Uber and Lyft apps and the impact on riders who use wheelchairs 从 Uber 和 Lyft 应用程序司机的角度看劳工问题以及对使用轮椅的乘客的影响
IF 5.1 2区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-08-28 DOI: 10.1016/j.tbs.2024.100891

Wheelchair accessibility of transportation service hailed using Uber and Lyft is fraught with contention. In this research, I interview 12 drivers on the apps who work in Washington, DC to understand their experience and perception about issues surrounding service to wheelchair users. Some drivers experience transporting wheelchair users as markedly different from service to non-wheelchair users due to the uncompensated labor they perform when assisting wheelchair users and the additional time required. They perceive service decline by drivers to possibly stem from lack of compensation for their time and work. One solution to address the problem could be to use app-technology to keep a record of ride requests by wheelchair users who volunteer to disclose disability status and incentivize drivers for completed rides. The overarching purpose of the study is to create knowledge that can contribute to overcoming potential barriers to full inclusion of disabled riders in the app-hailed transportation.

使用 Uber 和 Lyft 叫车的轮椅无障碍交通服务充满争议。在这项研究中,我采访了 12 名在华盛顿特区工作的应用程序司机,以了解他们对轮椅使用者服务问题的经验和看法。一些司机认为,运送轮椅使用者与为非轮椅使用者提供服务有明显不同,因为他们在协助轮椅使用者时付出了无偿劳动,而且需要花费额外的时间。他们认为,司机服务质量下降的原因可能是他们的时间和工作得不到补偿。解决这一问题的方法之一是使用应用程序技术记录自愿披露残疾状况的轮椅使用者的乘车请求,并对完成乘车的司机进行奖励。这项研究的总体目标是创造知识,帮助克服残疾人乘车者完全融入应用打车交通的潜在障碍。
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引用次数: 0
Habits and the subexploration of better transportation options: A dual-system approach 习惯和对更好的交通选择的次级探索:双系统方法
IF 5.1 2区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-08-20 DOI: 10.1016/j.tbs.2024.100877

In psychology, choices are influenced by either goal-directed or habitual systems, which are represented by model-based (MB) and model-free (MF) reinforcement learning algorithms. This paper introduces these concepts into the transportation literature and shows that individuals with habitual tendencies often fail to consider new, potentially superior, alternatives. Across two experiments, participants chose between two bus options, with a third, objectively superior option introduced in a later phase. In both experiments, participants engaging in habitual behavior were less likely to explore the new alternative. Furthermore, we found habitual tendencies were moderated by self-reported stress levels, which is consistent with previous results in the psychological literature. This implies that new transportation modes or routes may remain underused as travelers adhere to habitual patterns, disregarding the introduction of potentially better alternatives, and prompt for public policies that aim to promote goal-directed behavior.

在心理学中,选择会受到目标导向系统或习惯系统的影响,这两种系统分别由基于模型(MB)和无模型(MF)的强化学习算法表示。本文将这些概念引入到交通文献中,并表明具有习惯性倾向的个体往往不会考虑新的、潜在的更优选择。在两个实验中,参与者在两个公交车选项中做出选择,并在稍后阶段引入第三个客观上更优的选项。在这两个实验中,有习惯性行为的参与者不太可能探索新的备选方案。此外,我们还发现习惯性倾向受到自我报告的压力水平的调节,这与之前心理学文献的研究结果一致。这意味着,新的交通方式或路线可能会因为旅行者坚持习惯性模式而未被充分利用,从而忽视了潜在的更好替代方案的引入,这也为旨在促进目标导向型行为的公共政策提供了提示。
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引用次数: 0
Spatial behaviors of HFMD hospital visits across regions of various urbanicity levels in Nanchang, China 中国南昌不同城市化水平地区手足口病医院就诊的空间行为
IF 5.1 2区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-08-20 DOI: 10.1016/j.tbs.2024.100888

Hand foot mouth disease (HFMD) is one of the widespread transmissible diseases that target preschool children, especially in urban regions in East Asia. Based on the mobile app data, a GIS automated regionalization method is used to define regions of various urbanicity levels. The variability of HFMD patients’ travel behaviors across these regions are examined by the complementary cumulative distribution functions (CCDFs). The travel burden in Nanchang increased as the patients’ residences moved toward regions of more rurality. Specifically, more urbanized regions near the city center (i.e., urban core and its surrounding urban) enjoyed better access to the healthcare service by spending an average of about 17-minute drive time. Patients residing in less urbanized regions such as suburbs and downtowns of surrounding rural counties either chose a nearby hospital or journeyed far to the region’s central Children’s Hospital, with average elevated travel time of 25 and 22 min, respectively. Those in rural areas travelled an average of 36 min, the longest among all regions. The study also finds a unique dual-peak pattern across two travel ranges in the study area due to the patients’ dilemma between pursuing high-quality hospitals and accommodating travel burden. Such a pattern mandates the adoption of a segmented regression approach to deriving the best-fitting CCDFs in most regions except for the rural.

手足口病(HFMD)是针对学龄前儿童的广泛传播疾病之一,尤其是在东亚的城市地区。基于移动应用程序数据,我们采用地理信息系统(GIS)自动区域化方法定义了不同城市化水平的区域。通过互补累积分布函数(CCDFs)研究了手足口病患者在这些区域内出行行为的变异性。随着患者居住地向郊区移动,南昌的出行负担也随之增加。具体而言,靠近市中心的城市化程度较高的地区(即城市核心及其周边城区)的患者平均花费约 17 分钟的车程就能享受到更好的医疗服务。而居住在城市化程度较低地区(如郊区和周边农村县城的市中心)的患者,要么选择附近的医院,要么远赴该地区的中心儿童医院,平均车程分别为 25 分钟和 22 分钟。农村地区的患者平均需要 36 分钟,是所有地区中最长的。研究还发现,由于患者在追求高质量医院和减轻旅行负担之间左右为难,研究区域的两个旅行范围出现了独特的双峰模式。这种模式要求采用分段回归的方法,以得出除农村地区以外的大多数地区的最佳拟合 CCDF。
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引用次数: 0
Mobility as a Service (MaaS) for university communities: Modeling preferences for integrated public transport bundles 大学社区的移动即服务(MaaS):综合公共交通组合偏好建模
IF 5.1 2区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-08-17 DOI: 10.1016/j.tbs.2024.100890

In order to investigate the role that Mobility as a Service (MaaS) could play in university communities to reduce car dependency and moderate car-oriented travel behavior, this paper examines individuals’ stated interest in adopting MaaS bundles in academic environments, where its potential is still largely underexplored. The study involves a large-scale survey campaign carried out within a university community in Milan (Italy), comprising 1873 answers from faculty members, technical-administrative staff, and students. The paper discusses the factors affecting behavioral intentions towards a potential MaaS adoption on the basis of aggregate statistics and discrete choice models estimates. This research highlights that there is a real opportunity to market MaaS in university communities, but an accurate user-centered design of the MaaS solutions is needed, based on individuals’ preferences and actual mobility needs. Results suggest that MaaS has a broader potential user base among individuals under 35 years old and Public Transport subscribers, and that MaaS bundles involving shared mobility services are attractive by residents in the city center, while reserved parking at interchange facilities is more attractive to commuters coming from suburban areas.

为了研究移动即服务(MaaS)在大学社区中可以发挥的作用,以减少对汽车的依赖并缓和以汽车为导向的出行行为,本文研究了个人对在学术环境中采用移动即服务(MaaS)捆绑产品的兴趣,在学术环境中,移动即服务的潜力在很大程度上仍未得到充分开发。研究涉及在意大利米兰的一所大学社区内开展的大规模调查活动,共收到来自教职员工、技术行政人员和学生的 1873 份答卷。论文在综合统计和离散选择模型估计的基础上,讨论了影响潜在 MaaS 采用行为意向的因素。这项研究强调了在大学社区推广 MaaS 的真正机会,但需要根据个人偏好和实际移动需求,以用户为中心准确设计 MaaS 解决方案。研究结果表明,在 35 岁以下的个人和公共交通用户中,MaaS 具有更广泛的潜在用户群,涉及共享交通服务的 MaaS 捆绑服务对市中心的居民具有吸引力,而在换乘设施预留停车位对来自郊区的通勤者更具吸引力。
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引用次数: 0
Food purchasing and eating patterns: Assessing the role of people’s mobility, social networks, and attitudes on healthy diets 食品购买和饮食模式:评估人们的流动性、社交网络和态度对健康饮食的影响
IF 5.1 2区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-08-17 DOI: 10.1016/j.tbs.2024.100889

A poor diet has crucial impacts on individuals and society as a whole. In addition to individual preferences, there is evidence that people’s diet is related to their social, economic, and geographical environment, including their mobility context. However, few studies have an empirical, integrated perspective of these previous dimensions. This paper presents an empirical effort to understand people’s food purchasing and eating preferences concerning their mobility dynamics, social networks, habits, perceptions, activities, and sociodemographics, going beyond a static distance-based food supply perspective. The case study corresponds to the city of Concepción, Chile, using data that included nutrition, mobility, social networks, habits, perceptions, activities, and sociodemographics. The relationships between people’s eating and shopping patterns and these different contextual dimensions were analyzed through joint multivariate statistical modelling.

The empirical findings suggest that greater spatial proximity to the purchase of food does not significantly impact the quality of the diet. However, greater proximity to food supply affects the frequency and characteristics of the transport mode to the shopping trips, impacting the diet quality, especially in the case of open street markets. This relationship shows that mobility patterns play an essential role in the impact of spatial accessibility on the purchase of food and the quality of people’s diets. The results also confirm that food consumption and purchasing decisions go beyond individual sociodemographics and are influenced by other aspects of people’s overall mobility patterns, social capital, and attitudes.

不良的饮食习惯对个人和整个社会都有至关重要的影响。除个人偏好外,有证据表明人们的饮食与其社会、经济和地理环境(包括流动环境)有关。然而,很少有研究从实证的角度对这些因素进行综合分析。本文通过实证研究,了解人们在流动动态、社交网络、习惯、认知、活动和社会人口统计学等方面的食品购买和饮食偏好,超越了基于静态距离的食品供应视角。案例研究以智利康塞普西翁市为对象,使用的数据包括营养、流动性、社交网络、习惯、认知、活动和社会人口统计。通过联合多元统计建模分析了人们的饮食和购物模式与这些不同环境维度之间的关系。然而,距离食品供应较近的地方会影响购物出行的频率和交通方式的特点,从而影响饮食质量,尤其是在露天街边市场的情况下。这种关系表明,流动模式在空间可达性对食品购买和人们饮食质量的影响中起着至关重要的作用。研究结果还证实,食品消费和购买决策超越了个人的社会人口统计,受到人们整体流动模式、社会资本和态度等其他方面的影响。
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引用次数: 0
Optimizing Customized Bus Lines Considering Users' Transfer Willingness under Cooperative and Competitive Relationship between Metro and Online Car-hailing 考虑地铁与网约车合作与竞争关系下用户的换乘意愿,优化定制公交线路
IF 5.1 2区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-08-13 DOI: 10.1016/j.tbs.2024.100878

In the context of ‘carbon peak’ and ‘carbon neutrality’, coordinating individual travel demand through multi-modal transportation and guiding travelers towards new shared public transportation (PT) modes is increasingly important. In this paper, we analyze the competitive and cooperative relationship between online car-hailing (OCH) services and metro systems in Nanning, China, and conduct a questionnaire survey among different types of OCH users. A mixed choice model that considers psychological latent variables is constructed to investigate OCH users’ attitudes and cognitions toward customized buses (CBs). An improved adaptive Density-Based Spatial Clustering of Applications with Noise (DBSCAN) algorithm is proposed to identify potential carpooling station sets, and a hybrid genetic-ant colony algorithm (GACA) is designed to solve bi-level programming model for CB line optimization. Case study results indicate an 83.8% overall transfer rate from OCH users to CBs, with the optimized scheme achieving a 69.68% reduction in carbon emissions.

在 "碳峰值 "和 "碳中和 "的背景下,通过多式联运协调个人出行需求、引导旅客选择新型共享公共交通(PT)模式变得越来越重要。本文分析了中国南宁市网约车服务与地铁系统之间的竞争与合作关系,并对不同类型的网约车用户进行了问卷调查。本文构建了一个考虑心理潜变量的混合选择模型,以研究网约车用户对定制公交(CB)的态度和认知。提出了一种改进的自适应基于密度的有噪声应用空间聚类算法(DBSCAN)来识别潜在的拼车站点集,并设计了一种遗传-蚂蚁群落混合算法(GACA)来求解用于优化 CB 线路的双层编程模型。案例研究结果表明,从 OCH 用户到 CB 的总体换乘率为 83.8%,优化方案减少了 69.68% 的碳排放量。
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引用次数: 0
Acceptance of hyperloop: Developing a model for hyperloop acceptance based on an empirical study in the Netherlands 接受超级高铁:根据荷兰的一项实证研究建立超级高铁接受度模型
IF 5.1 2区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-08-12 DOI: 10.1016/j.tbs.2024.100887

Increasing urbanization is causing many challenges for mobility today, such as traffic jams and high carbon dioxide emissions. Hyperloop is a radical mobility innovation that could offer a potential solution for these issues. Since hyperloop is currently under development, overcoming technical and economic challenges and increasing its acceptance in society will decide the success of this innovative mode of transport. Currently, research on hyperloop user acceptance is limited. This study aims to identify users’ willingness to use the system and factors that determine support or rejection for hyperloop. Therefore, an acceptance model was proposed and then tested in an empirical study based on a sample consisting of N = 387 participants in the Netherlands. The results indicate that performance expectations (e.g., high speed, comfort, environmental advantages) support the acceptance of hyperloop. At the same time, safety concerns (e.g., technology failure, low-pressure environment) were identified as a rejection factor. Based on the results, interested stakeholders should consider the benefits, possible fears, and concerns regarding hyperloop in their communication. Future research should include experience opportunities with hyperloop to obtain more valid results.

城市化进程的加快给当今的交通带来了许多挑战,如交通拥堵和二氧化碳排放量高。超高速轨道是一种彻底的交通创新,可以为这些问题提供潜在的解决方案。由于超回路目前正在开发之中,克服技术和经济方面的挑战以及提高社会对其的接受度将决定这种创新交通模式的成败。目前,有关超级高铁用户接受度的研究还很有限。本研究旨在确定用户使用该系统的意愿以及决定支持或拒绝超级高铁的因素。因此,我们提出了一个接受模型,并在一项基于荷兰 387 名参与者样本的实证研究中进行了测试。结果表明,对性能的期望(如高速度、舒适度、环境优势)支持人们接受超级高铁。同时,安全问题(如技术故障、低压环境)被认为是一个拒绝因素。根据研究结果,相关利益方在沟通时应考虑到有关超级高铁的好处、可能的恐惧和担忧。未来的研究应包括体验超级高铁的机会,以获得更有效的结果。
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