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Crash occurrence and severity at railway level crossings in Bangladesh 孟加拉国铁路平交道口的事故发生率和严重程度
IF 3.8 Q2 TRANSPORTATION Pub Date : 2026-03-01 Epub Date: 2026-02-04 DOI: 10.1016/j.trip.2026.101840
Shah Aymaan Ibtihal, Shakil Mohammad Rifaat
Although train accidents are less frequent than road accidents, their consequences are often detrimental, especially at Railway Level Crossings (RLCs), the intersection points between rails and roads. RLC safety in developing countries like Bangladesh has received limited research attention despite the unique characteristics of these crossing types. This study aims to identify factors of occurrence and severity at RLCs in Bangladesh Railway East Zone from 2014 to 2021, during which crashes injured 89 and killed 54. An analysis of 121 RLCs across 18 districts examined how crossing, roadway, environmental, and exposure factors and crash reasons affect crash likelihood and severity. An extensive survey was conducted to build a structured database by collecting RLC specific information. After accounting random effects, no significant heterogeneity was detected in either the occurrence or severity models. Logistic modeling revealed that train speed, C-type and illegal RLCs, warning sign-to-barrier distance, poor gate lodge visibility, track-to-lodge distance, divisional community areas, heavy vehicle percentage, geometric orientation, and the Sholoshohor-Fatehbad segment increased crash likelihood. In contrast, A-type RLCs, crossing width/length ratios, four-half barriers, speed bumps, crossing angles (<45°), residential areas, and standard straight sections decreased occurrence. Additionally, the ordered logit model demonstrated that train speed, truck involvement, traffic-controlled RLCs, warning sign distance (<28 feet), off-peak timings, train-hitting-vehicle collisions, gatemen operational failures, law violations, and reckless traversing significantly impacted severity. Policy priorities include standardizing warning sign placement (<28 feet), improving lodge visibility with paint and clear sightlines, installing signs at T-intersections, and utilizing four-half bamboo gates for safer RLC design.
虽然火车事故比道路事故少,但其后果往往是有害的,特别是在铁路平交道口(rlc),铁路和公路之间的交叉点。尽管这些交叉类型具有独特的特征,但孟加拉国等发展中国家的RLC安全性得到的研究关注有限。本研究旨在确定2014年至2021年孟加拉国铁路东区rlc发生和严重程度的因素,在此期间,事故造成89人受伤,54人死亡。一项对18个地区的121个rlc的分析研究了十字路口、道路、环境和暴露因素以及碰撞原因如何影响碰撞的可能性和严重程度。通过广泛的调查,收集RLC的具体信息,建立一个结构化的数据库。在考虑随机效应后,在发生或严重程度模型中均未发现显著的异质性。Logistic模型显示,列车速度、c型和非法rlc、警告标志到障碍物的距离、差的门房能见度、轨道到小屋的距离、分区社区面积、重型车辆百分比、几何方向和sholoshohorl - fatehbad段增加了碰撞的可能性。相比之下,a型rlc、交叉口宽长比、四对半障碍、减速带、交叉口角度(45°)、居民区和标准直线路段的发生率降低。此外,有序logit模型表明,火车速度、卡车卷入、交通控制rlc、警告标志距离(28英尺)、非高峰时间、火车与车辆碰撞、大门操作故障、违法行为和鲁莽穿越都对严重程度有显著影响。政策重点包括标准化警告标志的放置(<;28英尺),通过油漆和清晰的视线提高小屋的能见度,在t型十字路口安装标志,并利用四根半竹制门进行更安全的RLC设计。
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引用次数: 0
Prospects of synchromodality for developing an integrated port transportation system by centering Chattogram port of Bangladesh 以孟加拉国Chattogram港为中心,发展综合港口运输体系的同步性展望
IF 3.8 Q2 TRANSPORTATION Pub Date : 2026-03-01 Epub Date: 2026-02-15 DOI: 10.1016/j.trip.2026.101898
Razon Chandra Saha , Mohammed H. Alshareef
Synchromodality is a novel concept for the supply chain that offers flexibility in using different kinds of transport modes with real-time information to the port users. Supply chain management is an integral part of international trade. The inland freight transportation system is becoming demand-driven, efficient, real-time information provider, and time–cost bound. Now, synchromodal is getting priority in considering as a modern freight transportation system to improve flexibility and reduce the freight cost and passage time in a given container supply chain technology. It is essential to create multiple options for choosing nodes and modes by carrier and users for managing inland freight movement from seaport to last mile or vice versa. A mixed research method is applied to know the current position of the node, mode, and the aptitude of stakeholders to adapt synchromodality in Bangladesh. The findings and originalities of the research are insufficient freight infrastructure in terms of required nodes and modes, non-availability of national logistics policy, and application of an intelligent transportation system (ITS) for an integrated freight transportation system in Bangladesh. The impact of the research is the upgradation of the freight transport model by combining intermodal, multimodal, and synchromodal to facilitate the container supply chain from the seaport to the hinterland and maximum utilization of transport nodes and modes by carriers for the interest of port users in reducing freight transport time and cost. Finally, a synchromodal freight transportation system is required for Chattogram Port to set a real-life logistics solution for the port users.
同质性是供应链的一个新概念,它为港口用户提供了使用不同运输方式的灵活性和实时信息。供应链管理是国际贸易的重要组成部分。内陆货运系统正成为需求驱动、高效、实时的信息提供者和时间成本限制。在现有的集装箱供应链技术中,同步联运作为一种提高灵活性、降低运输成本和缩短运输时间的现代货运系统,正逐渐被人们所重视。为了管理从海港到最后一英里的内陆货运,必须为承运人和用户选择节点和模式创造多种选择。采用混合研究方法来了解节点的当前位置,模式,以及孟加拉国利益相关者适应同步性的能力。研究的结果和独创性是货运基础设施在所需节点和模式方面不足,国家物流政策的不可用性,以及孟加拉国综合货运系统的智能运输系统(ITS)的应用。本研究的影响是将多式联运、多式联运和同时联运相结合,提升货物运输模式,促进集装箱从港口到腹地的供应链,最大限度地利用运输节点和运输方式,以满足港口用户减少货物运输时间和成本的利益。最后,Chattogram Port需要一个同步的货运系统来为港口用户设置一个现实的物流解决方案。
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引用次数: 0
From experimentation to learning and routinization: A long-term trial framework for cargo bike and light electric vehicle integration in Germany 从实验到学习和常规化:德国载货自行车和轻型电动车整合的长期试验框架
IF 3.8 Q2 TRANSPORTATION Pub Date : 2026-03-01 Epub Date: 2026-02-17 DOI: 10.1016/j.trip.2026.101897
Johannes Gruber, Martin Plener, Daniel Weiss
In light of rising sustainability demands in commercial transport, cargo bikes and light electric vehicles (LEV) offer promising alternatives to conventional fleets. However, despite increasing vehicle diversity and supportive policies, adoption remains limited due to organizational inertia, sunk costs, and resistance to change. Short-term pilot projects, while useful for testing feasibility, often fail to capture the evolving and context-specific dynamics of fleet integration. To address this gap, we introduce and evaluate a novel long-term trial framework implemented across multiple German regions over a 12-month period. The framework embeds vehicle trials into daily operations and combines tailored onboarding, sustained engagement, and structured reflection phases. This article makes three core contributions. First, it advances both academic and practical understanding by introducing a reliable and transferable framework for long-term fleet transformation that functions as an organizational learning device. Second, it uncovers context-specific and time-sensitive challenges of integrating LEVs and cargo bikes, as shown through five stylized cases across logistics, manufacturing, services, and craft sectors. Third, it conceptualizes three learning-based pathways of organizational commitment to fleet transformation: fleet expansion, vehicle substitution, and purchase prevention, through which long-term trials can support learning-based fleet reconfiguration, including normative learning reflected in the strategic reframing of alternative vehicles. The findings highlight the value of long-term trials in supporting adaptive and real-world transitions that extend beyond the scope of short-term studies. By fostering deeper organizational learning and aligning vehicle solutions with operational realities, the framework establishes critical conditions for sustained adoption and contributes to the broader transition toward more sustainable transport practices.
鉴于商业运输中不断增长的可持续性需求,货运自行车和轻型电动汽车(LEV)为传统车队提供了有希望的替代方案。然而,尽管增加了车辆的多样性和支持政策,但由于组织惯性、沉没成本和对变革的抵制,采用仍然有限。短期试点项目虽然有助于测试可行性,但往往无法捕捉到机队集成的不断发展和特定于环境的动态。为了解决这一差距,我们引入并评估了一个新的长期试验框架,该框架在德国多个地区实施,为期12个月。该框架将车辆试验嵌入到日常操作中,并结合了量身定制的入职、持续参与和结构化反思阶段。本文有三个核心贡献。首先,它通过引入一个可靠的、可转移的框架,作为一个组织学习装置,促进了学术和实践的理解。其次,它揭示了整合lev和货运自行车的特定环境和时间敏感性挑战,如通过物流,制造,服务和工艺部门的五个风格化案例所示。第三,提出了车队转型组织承诺的三条基于学习的路径:车队扩张、车辆替代和预防购买,通过长期试验可以支持基于学习的车队重构,包括体现在替代车辆战略重构中的规范性学习。研究结果强调了长期试验在支持超越短期研究范围的适应性和现实世界转变方面的价值。通过促进更深层次的组织学习,并将车辆解决方案与运营现实相结合,该框架为持续采用创造了关键条件,并有助于向更可持续的交通实践更广泛地过渡。
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引用次数: 0
A cross-methodological review on the safety effects of partial vehicle automation 部分车辆自动化对安全影响的跨方法回顾
IF 3.8 Q2 TRANSPORTATION Pub Date : 2026-03-01 Epub Date: 2026-01-05 DOI: 10.1016/j.trip.2025.101834
Ksander N de Winkel, Angèle Picco, Maartje de Goede, Diane Cleij, Michiel Christoph
We present a cross-methodological review on the safety implications of Partially Automated Vehicles (PAV). We inventory theoretical considerations on possible safety effects, and evaluate results from computer simulations, driving simulators, Experimental Driving Studies (EDS), Naturalistic Driving Studies (NDS), and real-world crash data (censuses), to gain insight in detrimental and beneficial safety effects of partial automation.
Theoretical concerns center around incompatibility between the requirement of constant supervision and the potential for increased distraction, reduced vigilance, mode confusion and dis- and misuse, alongside technological limitations such as system reliability outside the Operational Design Domain (ODD). Computer simulations show mixed results, and suggest that benefits of automation may emerge only at higher levels of automation. Simulator studies, EDS and NDS support concerns about a detrimental impact of automation on human drivers, although beneficial effects on Surrogate Safety Measures (SSM), reflecting smoother driver behavior are also reported. These results are uncertain, due to limited generalizability of simulator studies and SSM. Census data indicate reduced crash rates but do not reveal causality.
Detrimental effects on the human driver are a consistent finding across several methodologies, but studies adopting methodologies with higher representativeness nuance these findings, showing net safety benefits. Although automation may mitigate some theoretical concerns by relaxing requirements on the human driver, alternative explanations relating to confounding factors, such as the presence of dedicated safety systems, cannot be excluded.
The findings emphasize the need for real-world validations, refinement of Human–Machine Interfaces (HMIs), and strategies to address fleet heterogeneity. This review underscores the critical role of integrated evidence in shaping policies for safer adoption of PAV technologies.
我们提出了对部分自动驾驶汽车(PAV)的安全影响的跨方法综述。我们列出了可能的安全影响的理论考虑,并评估了计算机模拟、驾驶模拟器、实验驾驶研究(EDS)、自然驾驶研究(NDS)和现实世界碰撞数据(普查)的结果,以深入了解部分自动化的有害和有益的安全影响。理论关注的焦点是持续监督的要求与增加分心、降低警惕性、模式混淆和滥用的可能性之间的不兼容性,以及技术限制,如操作设计域(ODD)之外的系统可靠性。计算机模拟显示了不同的结果,并表明自动化的好处可能只有在更高的自动化水平上才会出现。模拟器研究、EDS和NDS都支持了对自动化对人类驾驶员不利影响的担忧,尽管也报道了对替代安全措施(SSM)的有益影响,反映了驾驶员更平稳的行为。由于模拟器研究和SSM的推广能力有限,这些结果是不确定的。人口普查数据显示撞车率下降,但没有揭示因果关系。对人类驾驶员的有害影响是几种方法的一致发现,但采用具有更高代表性的方法的研究对这些发现进行了细微差别,显示出净安全效益。虽然自动化可以通过放松对人类驾驶员的要求来减轻一些理论上的担忧,但不能排除与混杂因素有关的其他解释,例如专用安全系统的存在。研究结果强调了对实际验证、人机界面(hmi)的改进以及解决车队异质性的策略的需求。这一综述强调了综合证据在制定更安全地采用PAV技术的政策方面的关键作用。
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引用次数: 0
Neuro-aware journeys: the lived experiences of autistic adults and caregivers in Swedish public transport 神经感知的旅程:瑞典公共交通中自闭症成年人和看护人的生活经历
IF 3.8 Q2 TRANSPORTATION Pub Date : 2026-03-01 DOI: 10.1016/j.trip.2026.101910
Mohammad Sarraf , Sonya Girdler , Maya Hayden-Evans , Sven Bölte , Per-Olof Hedvall
Urban mobility is a key mechanism through which the autistic community asserts their right to the city, more broadly representing the neurodiversity movement’s struggle for spatial justice. While public transport plays a critical role in facilitating mobility for the autistic community, limited research has examined their perspectives on how physical and social environmental factors shape their experiences and functioning in urban environments.
This study aimed to examine the lived experience of autistic individuals and their caregivers in navigating public transport through the lens of the International Classification of Functioning, Disability and Health (ICF). Employing an abductive approach, combining both inductive and deductive coding (guided by the ICF), analysis of semi-structured interviews conducted with 17 participants in Sweden identified four key themes: sensory overload, unpredictability, socio-spatial constraints, and inadequate support policies and public awareness.
Findings underscore the role of environmental factors in shaping autistic individuals’ experience of accessing public transport. Importantly, findings highlight that despite growing recognition of the unique challenges faced by the autistic community in accessing public transport, this awareness is yet to translate into meaningful action and public policy. Importantly, there is a need for policies that move beyond physical accessibility, incorporating neuro-aware strategies, enhancing both the cognitive and sensory accessibility of public transport.
城市流动性是自闭症社区维护其城市权利的关键机制,更广泛地说,它代表了神经多样性运动争取空间正义的斗争。虽然公共交通在促进自闭症群体的流动性方面发挥着关键作用,但关于物理和社会环境因素如何影响他们在城市环境中的经历和功能的研究有限。本研究旨在通过国际功能、残疾和健康分类(ICF)的视角,研究自闭症患者及其照顾者在乘坐公共交通工具时的生活体验。采用溯因法,结合归纳和演绎编码(在ICF的指导下),对瑞典17名参与者进行的半结构化访谈进行分析,确定了四个关键主题:感官超载、不可预测性、社会空间约束、支持政策和公众意识不足。研究结果强调了环境因素在塑造自闭症患者乘坐公共交通工具体验方面的作用。重要的是,研究结果强调,尽管人们越来越认识到自闭症群体在乘坐公共交通工具方面面临的独特挑战,但这种认识尚未转化为有意义的行动和公共政策。重要的是,需要制定超越物理可达性的政策,纳入神经感知策略,增强公共交通的认知和感官可达性。
{"title":"Neuro-aware journeys: the lived experiences of autistic adults and caregivers in Swedish public transport","authors":"Mohammad Sarraf ,&nbsp;Sonya Girdler ,&nbsp;Maya Hayden-Evans ,&nbsp;Sven Bölte ,&nbsp;Per-Olof Hedvall","doi":"10.1016/j.trip.2026.101910","DOIUrl":"10.1016/j.trip.2026.101910","url":null,"abstract":"<div><div>Urban mobility is a key mechanism through which the autistic community asserts their <em>right to the city</em>, more broadly representing the neurodiversity movement’s struggle for spatial justice. While public transport plays a critical role in facilitating mobility for the autistic community, limited research has examined their perspectives on how physical and social environmental factors shape their experiences and functioning in urban environments.</div><div>This study aimed to examine the lived experience of autistic individuals and their caregivers in navigating public transport through the lens of the <em>International Classification of Functioning, Disability and Health (ICF)</em>. Employing an abductive approach, combining both inductive and deductive coding (guided by the ICF), analysis of semi-structured interviews conducted with 17 participants in Sweden identified four key themes: sensory overload, unpredictability, socio-spatial constraints, and inadequate support policies and public awareness.</div><div>Findings underscore the role of environmental factors in shaping autistic individuals’ experience of accessing public transport. Importantly, findings highlight that despite growing recognition of the unique challenges faced by the autistic community in accessing public transport, this awareness is yet to translate into meaningful action and public policy. Importantly, there is a need for policies that move beyond physical accessibility, incorporating neuro-aware strategies, enhancing both the cognitive and sensory accessibility of public transport.</div></div>","PeriodicalId":36621,"journal":{"name":"Transportation Research Interdisciplinary Perspectives","volume":"36 ","pages":"Article 101910"},"PeriodicalIF":3.8,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147385354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simultaneous optimization of road intervention and overloading penalty policies for user cost minimization 以用户成本最小为目标的道路干预与超载处罚策略同步优化
IF 3.8 Q2 TRANSPORTATION Pub Date : 2026-03-01 Epub Date: 2026-01-13 DOI: 10.1016/j.trip.2026.101849
Felix Obonguta , Jinwoo Lee , Daijiro Mizutani
This research develops a framework to simultaneously optimize road pavement intervention and overloading penalty policies to minimize total user costs. Possible road user route choices from origin to destination (OD) are modeled using a stochastic user equilibrium (SUE). Specifically, truck route choice subject to SUE in which trucks face a penalty if they exceed the acceptable weight limit on faster routes or endure longer routes at no extra charge is looked at. A pavement intervention model is built to propose multiple road pavement intervention (condition improvement) decisions and overloading policies at discrete time points over a finite time horizon. Near–optimal decisions and policies for the entire road network are determined concurrently and heuristically using simulated annealing (SA). Despite generating a near–optimal solution, SA facilitates solving the complex non–differentiable problem involving agency actions (network improvements and overloading penalties) and user reactions (comply or change route). The framework presented in this article seeks to aid multifaceted user and agency decision–making amidst multiple constraints simultaneously. Its applicability is demonstrated through an empirical study on selected OD pairs along interurban routes between the Ugandan capital, Kampala, and regional urban centers.
本研究开发了一个框架,以同时优化道路路面干预和超载处罚政策,以最小化总用户成本。利用随机用户均衡模型对道路使用者从起点到终点的路径选择进行了建模。具体来说,卡车路线选择受到SUE的约束,如果卡车在更快的路线上超过可接受的重量限制,或者在不额外收费的情况下忍受更长的路线,就会面临罚款。建立了路面干预模型,提出了有限时间范围内离散时间点的多个路面干预(状况改善)决策和超载策略。采用模拟退火(SA)方法对整个路网的近似最优决策和策略进行了并行和启发式的确定。尽管生成了一个接近最优的解决方案,但SA有助于解决复杂的不可微分问题,包括代理行为(网络改进和超载处罚)和用户反应(遵守或更改路由)。本文提出的框架旨在帮助用户和机构在多种约束条件下同时做出多方面的决策。通过对乌干达首都坎帕拉和区域城市中心之间城际路线上选定的OD对的实证研究,证明了其适用性。
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引用次数: 0
High-speed rail and economic growth: a market access–based economic impact evaluation in China 高铁与经济增长:基于市场准入的中国经济影响评价
IF 3.8 Q2 TRANSPORTATION Pub Date : 2026-03-01 Epub Date: 2026-01-20 DOI: 10.1016/j.trip.2025.101835
Zheng Chang , Mi Diao , Kecen Jing , Longfei Zheng
Debates continue over whether high-speed rail (HSR) generates new economic value or simply reallocates activity across space. This study evaluates the national economic impact of China’s HSR system through a Market Access (MA) framework grounded in quantitative spatial economics. We derive and empirically estimate a log–log elasticity between MA and GDP using county-level panel data from 2007 to 2020 and an instrumental-variable strategy based on least-cost spanning networks. Results show that a 10 % increase in MA leads to a 0.89 % increase in GDP. Counterfactual simulations indicate that without HSR, China’s 2020 GDP would have been 3.31 % lower (≈6.7 trillion RMB). Temporal counterfactuals further reveal a strong network formation effect: economic gains rise sharply once previously fragmented corridors became an integrated national network in 2017. An economic impact evaluation suggests that aggregate gains exceed construction and operating costs, indicating positive net national value. By integrating transport planning, spatial economics, and infrastructure policy, this study provides network-level evidence that HSR can generate positive-sum national growth rather than zero-sum redistribution.
关于高速铁路(HSR)是否会产生新的经济价值,或者只是在空间上重新分配活动的争论仍在继续。本研究通过基于数量空间经济学的市场准入(MA)框架来评估中国高铁系统对国民经济的影响。我们使用2007年至2020年的县级面板数据和基于最小成本跨越网络的工具变量策略推导并经验估计了MA和GDP之间的对数-对数弹性。结果表明,MA每增加10%,GDP就会增加0.89%。反事实模拟表明,如果没有高铁,中国2020年的GDP将下降3.31%(约6.7万亿人民币)。时间反事实进一步揭示了强大的网络形成效应:2017年,一旦以前分散的走廊成为一个综合的国家网络,经济收益就会急剧上升。经济影响评估表明,总收益超过了建设和运营成本,表明国家净价值为正。通过整合交通规划、空间经济学和基础设施政策,本研究提供了网络层面的证据,证明高铁可以产生正和的国家增长,而不是零和的再分配。
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引用次数: 0
Examining consumer innovativeness and environmental concern in electric vehicle adoption: Evidence from the Yangtze River Delta region of China 电动车消费者创新与环境考量:来自中国长三角地区的证据
IF 3.8 Q2 TRANSPORTATION Pub Date : 2026-03-01 Epub Date: 2026-01-06 DOI: 10.1016/j.trip.2025.101814
Hongbo Ma , Xiaoying Lou , Shurui Gu , Ibnu Siswanto , Andik Asmara
Electric vehicles (EVs) have become increasingly mainstream in China, yet the psychological drivers of adoption may evolve as markets progress. This study reexamines these drivers by incorporating consumer innovativeness and environmental concern into the Unified Theory of Acceptance and Use of Technology (UTAUT). Drawing on 616 valid survey responses from EV owners and test drivers in the Yangtze River Delta, we employed structural equation modeling with moderated mediation analysis to test the proposed hypotheses. The findings indicate that innovativeness exerts both direct (β = 0.33) and indirect effects on adoption intention through performance expectancy (β = 0.18) and facilitating conditions (β = 0.43). In contrast, the effect of environmental concern is entirely indirect. Gender functions as a significant contextual moderator in the innovativeness–adoption pathway, with the magnitude of indirect effects varying across gender groups. The model explains 61 % of the variance in adoption intention, offering a coherent account of the psychological mechanisms shaping EV adoption. These results underscore the need to strengthen technological value propositions and infrastructure support to sustain adoption momentum in an increasingly competitive EV market.
电动汽车(ev)在中国已日益成为主流,但随着市场的发展,采用电动汽车的心理驱动因素可能会发生变化。本研究通过将消费者创新和环境问题纳入技术接受和使用统一理论(UTAUT)来重新审视这些驱动因素。利用长三角地区电动汽车车主和试驾司机的616份有效问卷调查反馈,采用结构方程模型和有调节的中介分析对本文提出的假设进行检验。研究结果表明,创新能力通过绩效预期(β = 0.18)和促进条件(β = 0.43)对采用意愿产生直接影响(β = 0.33)和间接影响。相比之下,环境问题的影响完全是间接的。性别在创新-采用途径中起着重要的情境调节作用,其间接影响的程度在不同性别群体中有所不同。该模型解释了61%的采用意愿差异,为形成电动汽车采用的心理机制提供了连贯的解释。这些结果强调了加强技术价值主张和基础设施支持的必要性,以在竞争日益激烈的电动汽车市场中保持采用势头。
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引用次数: 0
Examining the role of ridesourcing services during rain: A Chicago case study 考察雨中拼车服务的作用:以芝加哥为例
IF 3.8 Q2 TRANSPORTATION Pub Date : 2026-03-01 Epub Date: 2026-01-06 DOI: 10.1016/j.trip.2025.101812
Carlos Mateo Samudio Lezcano , Corey D. Harper , Destenie Nock , Jeremy J. Michalek
Transportation network companies (TNCs) are an established transportation mode. Yet, uncertainty remains on the level to which rain affects TNC ridership and how this relates to socioeconomic factors. Leveraging TNC trip and weather data from Chicago we estimate rain effects on ridership using non-parametric methods and use OLS regression to reveal their associations with underlying demographics. We find rain causes ridership fluctuations between −46 % and + 140 %, with highest percentage changes observed in the periphery of Chicago. Ridership tends to decrease in areas near the Chicago Transit Authority rail lines, suggesting a possible alleviating effect of transit. OLS regression reveals areas with higher population tend to experience higher changes in ridership during rain (p < 0.001), and the same is true in areas with higher shares of high-income households (p < 0.05). In addition, higher transit access (p < 0.001) and lower shares of households with no vehicles (p < 0.05) are associated with lower rain effects on ridership.
运输网络公司(TNCs)是一种成熟的运输模式。然而,降雨对跨国公司客流量的影响程度以及这与社会经济因素的关系仍不确定。利用来自芝加哥的跨国公司旅行和天气数据,我们使用非参数方法估计降雨对乘客的影响,并使用OLS回归来揭示其与潜在人口统计学的关联。我们发现,降雨导致的客流量波动在- 46%到+ 140%之间,芝加哥周边地区的变化幅度最大。在芝加哥交通管理局(Chicago Transit Authority)铁路线附近的地区,乘客人数往往会减少,这表明交通可能会起到缓解作用。OLS回归显示,人口较多的地区在降雨期间客流量变化较大(p < 0.001),高收入家庭比例较高的地区也是如此(p < 0.05)。此外,较高的交通通道(p < 0.001)和较低的无车家庭比例(p < 0.05)与较低的降雨对乘客的影响有关。
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引用次数: 0
AI-based Quality-of-Life-aware route planning: a Phuket case study 基于人工智能的生活质量感知路线规划:普吉岛案例研究
IF 3.8 Q2 TRANSPORTATION Pub Date : 2026-03-01 Epub Date: 2026-03-02 DOI: 10.1016/j.trip.2026.101918
Intouch Prakaisak , Ployrada Suvarnakuta , Pittipol Kantavat , Boonserm Kijsirikul , Pawinee Iamtrakul , Sararad Chayphong , Witsarut Achariyaviriya , I-soon Raungratanaamporn , Titipakorn Prakayaphun , Yuji Iwahori , Yoshitsugu Hayashi
Assessing travel-related Quality of Life (QoL) is a significant challenge due to its reliance on subjective human perception, which is difficult to measure. Traditional studies are often constrained by the limited scope of costly, manual data collection. The significant contribution of this research is the introduction of a new framework that can analyze tourist perception on a large and systematic scale. The novelty of this work lies in the utilization of Google Street View (GSV) as a large-scale visual data source, coupled with the use of a sequence-based model to analyze travel routes, which allows for the simulation of the ever-changing travel experience better than the analysis of single, static images. This framework was applied to a dataset in Phuket, consisting of 456 driving routes, totaling 4,560 sequential images. Visual features were extracted from this image data using Object Detection and Semantic Segmentation techniques and then used to build prediction models with LSTM and KNeighborsRegressor for analysis in conjunction with QoL scores from questionnaires. The analysis revealed key insights into tourist perception patterns, identifying a significant divergence between the culturally homogeneous group of Thai tourists and the highly diverse group of foreign tourists. Furthermore, it was found that tangible quality of life dimensions (e.g., Material Well-being) was perceived more consistently than abstract dimensions (e.g., Emotional Well-being). In conclusion, this research shifts the paradigm of route analysis from focusing solely on efficiency to a human-centric process, providing a new tool for urban planners and stakeholders to understand and improve the quality of the journey in a more profound way.
旅行相关生活质量(QoL)的评估是一项重大挑战,因为它依赖于人类的主观感知,难以测量。传统研究常常受到昂贵的人工数据收集范围有限的限制。本研究的重要贡献是引入了一个新的框架,可以在大范围和系统的尺度上分析游客的感知。这项工作的新颖之处在于利用谷歌街景(GSV)作为大规模视觉数据源,再加上使用基于序列的模型来分析旅行路线,这使得模拟不断变化的旅行体验比分析单个静态图像更好。该框架应用于普吉岛的一个数据集,该数据集由456条驾驶路线组成,总计4560张序列图像。利用目标检测和语义分割技术提取图像数据的视觉特征,然后利用LSTM和KNeighborsRegressor建立预测模型,结合问卷的生活质量评分进行分析。分析揭示了游客感知模式的关键见解,确定了文化同质的泰国游客群体与高度多样化的外国游客群体之间的显著差异。此外,研究发现,有形的生活质量维度(如物质幸福)比抽象的维度(如情感幸福)被感知得更一致。总之,本研究将路线分析的范式从仅仅关注效率转变为以人为中心的过程,为城市规划者和利益相关者提供了一种新的工具,以更深刻的方式理解和提高旅程的质量。
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Transportation Research Interdisciplinary Perspectives
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