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Key factors influencing the efficiency and competitiveness of Brazilian public ports: The role of a costing system 影响巴西公共港口效率和竞争力的关键因素:成本核算系统的作用
Pub Date : 2025-02-21 DOI: 10.1016/j.latran.2025.100030
Rafael Fontoura Andriotti , Guilherme Bergmann Borges Vieira , Francisco José Kliemann Neto
This study aimed to analyze the key factors affecting the efficiency and competitiveness of Brazilian public ports and the potential contribution of a costing system to enhance them. To achieve this objective, a qualitative-exploratory study on Brazilian public ports was conducted. The research was operationalized through in-depth interviews with key stakeholders of the Brazilian port sector, who were intentionally selected based on their profiles and experience in the industry. The interviews were recorded, transcribed and submitted to content analysis procedures. The findings suggest two main complementary approaches to increase the efficiency and competitiveness of Brazilian public ports: sectoral and managerial. In the sectoral approach, three aspects must be considered: legal framework, planning and integration between governmental bodies. In the managerial approach, the results led to a recommendation toward the implementation of a costing system that integrates with other management tools and databases to generate strategic information supporting the decision-making process.
本研究的目的是分析影响巴西公共港口效率和竞争力的关键因素,以及成本核算系统对提高这些因素的潜在贡献。为了实现这一目标,对巴西公共港口进行了定性探索性研究。这项研究是通过对巴西港口部门的主要利益相关者进行深入访谈来实施的,这些利益相关者是根据他们的简介和行业经验有意选择的。访谈被记录、转录并提交内容分析程序。调查结果提出了提高巴西公共港口效率和竞争力的两种主要互补办法:部门和管理办法。在部门办法中,必须考虑三个方面:法律框架、规划和政府机构之间的一体化。在管理方法方面,结果导致建议执行一个成本计算系统,该系统与其他管理工具和数据库结合起来,以产生支持决策过程的战略资料。
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引用次数: 0
Influence of slope on pedestrian access to public transportation systems 斜坡对行人进入公共交通系统的影响
Pub Date : 2025-02-07 DOI: 10.1016/j.latran.2025.100029
Pedro de Souza Coelho , Leise Kelli de Oliveira , Rodrigo Affonso de Albuquerque Nobrega
The quality and accessibility to the public transportation system are essential for a sustainable and inclusive city. The location of bus stops, focusing on user walkability, becomes crucial for public transportation planning. The distances users are willing to walk may vary due to several local factors, such as extreme temperatures or steep slopes, and are specific to each city. In this context, this article explores the influence of terrain slopes on pedestrian access to the public transportation system. A proposed procedure considers the maximum distances that users would be willing to walk, with their effort weighted by the gradient of roadways to set the location of bus stops, ensuring equitable access to the public transportation system. The results of this procedure were compared with others previously reported in the literature. The comparison showed improvement in the areas served by public transportation. Furthermore, this methodology is adaptable to external factors and user behavior, making it functional in cities with distinct characteristics. It is a valuable tool for enhancing other indices and studies related to accessibility to public transportation systems.
公共交通系统的质量和可达性对于一个可持续和包容的城市至关重要。公交车站的选址,关注用户的可步行性,成为公共交通规划的关键。用户愿意步行的距离可能会因几个当地因素而有所不同,例如极端温度或陡峭的斜坡,并且每个城市都是特定的。在此背景下,本文探讨了地形坡度对行人进入公共交通系统的影响。一个建议的程序考虑用户愿意步行的最大距离,并通过道路坡度加权他们的努力来设置公交车站的位置,以确保公平地使用公共交通系统。将该方法的结果与文献中先前报道的其他方法进行比较。比较表明,公共交通服务的地区有所改善。此外,这种方法可以适应外部因素和用户行为,使其在具有鲜明特色的城市中发挥作用。它是一个有价值的工具,用于加强与公共交通系统可达性有关的其他指数和研究。
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引用次数: 0
Evaluation of the applicability of the predictive HSM method in signalized urban intersections in Colombia 预测高速切削方法在哥伦比亚城市信号交叉口适用性评价
Pub Date : 2025-02-06 DOI: 10.1016/j.latran.2025.100026
Basilio Restrepo-Betancur, Víctor G. Valencia-Alaix
The rising number of traffic collisions in developing countries has sparked concern due to a lack of understanding and mitigating measures. To grasp their behavior and contribute to the quantitative assessment of road safety, the adaptation of predictive procedures for estimating the frequency and type of crashes, created in the United States and contained in the Highway Safety Manual (HSM), has been chosen. The applicability of these procedures in developing countries with different conditions depends on their adaptation to the environment, which is the objective of this work—to assess the applicability of the predictive method of the Highway Safety Manual (HSM) for urban intersections under conditions unique to Colombia. Signalized intersections in Medellín were selected, collecting data on crash occurrences, vehicular volumes, and geometric characteristics to create simulation scenarios to evaluate the applicability of the predictive method. Calibration Coefficients for the HSM's predictive method at three- and four-way intersections were calculated using the Crash Prediction Module (CPM) of the IHSDM software, concluding shortcomings in the application and transferability for Colombia and likely for other developing countries.
由于缺乏对交通事故的了解和缓解措施,发展中国家日益增多的交通事故引起了人们的关注。为了掌握他们的行为并有助于道路安全的定量评估,选择了在美国创建并包含在公路安全手册(HSM)中的预测程序来估计碰撞的频率和类型。这些程序在具有不同条件的发展中国家的适用性取决于它们对环境的适应性,这是本工作的目标——评估《公路安全手册》(HSM)预测方法在哥伦比亚独特条件下对城市十字路口的适用性。选择Medellín的信号交叉口,收集碰撞发生率、车辆数量和几何特征的数据,创建模拟场景,以评估预测方法的适用性。使用IHSDM软件的碰撞预测模块(CPM)计算了三路和四路交叉口高速公路预测方法的校准系数,总结了哥伦比亚和其他发展中国家在应用和可转移性方面的缺点。
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引用次数: 0
Consumer attitudes towards retailers’ operational response to COVID-19: Empirical analysis of Colombian grocery chains 消费者对零售商应对COVID-19运营的态度:哥伦比亚杂货连锁店的实证分析
Pub Date : 2025-02-05 DOI: 10.1016/j.latran.2025.100028
Johanna Amaya , Trilce Encarnación
This paper presents analyses of consumers’ experiences and sentiments concerning operational initiatives implemented by grocery retailers during the peak of the COVID-19 pandemic in 2020. Drawing from Grounded Theory (GT) and Construal Level Theory (CLT), Instagram posts and comments from grocery chains in Colombia were analyzed to capture the operational initiatives implemented by these retailers and consumer attitudes toward them, during the crisis. The analysis of the unstructured data shows that grocery retailers went beyond government mandates to continue operating, showing their flexibility and ability to adapt to challenging conditions. Consumers had a better attitude towards initiatives that were presented as beneficial instead of restrictive, for which consumers expressed negative sentiment. Moreover, consumers had the best experience and perceptions of Limited Assortment Retailers compared to other retailer types as consumers became more conscious of their expenses during the crisis and responded to appeals related to their culture and concerns. Furthermore, we were able to see consumers’ sentiments change during the analyzed period as a result of retailers’ new initiatives or innovative ways of offering their products and services. The paper closes with recommendations for grocery retailers to ensure the best results when implementing initiatives in times of crisis that would impact consumer experiences.
本文分析了消费者在2020年COVID-19大流行高峰期对杂货零售商实施的运营举措的体验和看法。根据扎根理论(GT)和解释水平理论(CLT),分析了哥伦比亚杂货连锁店的Instagram帖子和评论,以捕捉这些零售商在危机期间实施的运营举措和消费者对他们的态度。对非结构化数据的分析表明,杂货零售商超越了政府的要求继续经营,显示出他们的灵活性和适应挑战性条件的能力。消费者对那些被认为是有益的而不是限制性的举措有更好的态度,消费者对这些举措表达了负面情绪。此外,与其他类型的零售商相比,消费者对有限分类零售商的体验和认知最好,因为消费者在危机期间更加意识到他们的支出,并对与他们的文化和关注相关的呼吁做出回应。此外,我们能够看到,在分析期间,由于零售商提供产品和服务的新举措或创新方式,消费者的情绪发生了变化。论文最后对杂货零售商提出建议,以确保在危机时期实施影响消费者体验的举措时取得最佳结果。
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引用次数: 0
Tram adoption in Cuenca, Ecuador: Analyzing user profiles and preceding transport preferences 厄瓜多尔昆卡有轨电车的采用:分析用户资料和先前的交通偏好
Pub Date : 2025-01-30 DOI: 10.1016/j.latran.2025.100027
P. Cazorla , E. Ávila-Ordoñez
Before the Cuatro Ríos tramway in Cuenca-Ecuador, the primary public transportation modes were buses and taxis, with pickup trucks operating outside the urban zone. Since September 2020, the tramway has provided residents a more sustainable and comfortable option. Previous studies on the Cuatro Ríos tram have examined housing projects near the tram axis, public acceptance, education on efficient tram usage, system operation, and accidents-related factors. However, no studies have determined the profile of tram system users. This study aims to provide a comprehensive profile of Tram Cuatro Ríos users by focusing on their demographic characteristics, travel patterns, and modal shifts from previous transportation modes. The results show that the tramway mainly attracts users aged 25–64, including many students aged 12–24. Most users are high school or university graduates, earning around one Basic Unified Salary per month, reflecting a lower-middle economic class. About a third use the tram daily, valuing travel time and comfort over ecological considerations. Work and education are the primary reasons for tram use. Men prioritize travel time and comfort, while women value safety more. Despite a weak correlation between usage frequency and satisfaction, overall satisfaction is high, suggesting further research on additional factors to enhance system appeal. Cluster analysis reveals diverse user profiles: regular commuters valuing speed, young occasional users, mixed-age groups prioritizing safety and comfort, young adults balancing speed and comfort, and highly educated professionals with high satisfaction. This diverse characterization underscores the tram system's broad appeal and suggests targeted strategies to enhance user satisfaction.
在昆卡-厄瓜多尔的Cuatro Ríos有轨电车之前,主要的公共交通方式是公共汽车和出租车,皮卡车在市区以外运营。自2020年9月以来,有轨电车为居民提供了一个更可持续、更舒适的选择。此前对Cuatro Ríos有轨电车的研究考察了有轨电车轴线附近的住房项目、公众接受程度、有效使用有轨电车的教育、系统运行以及与事故有关的因素。然而,没有研究确定电车系统用户的概况。这项研究的目的是提供电车Cuatro Ríos用户的全面概况,重点是他们的人口特征,出行模式,以及从以前的交通方式的转变。结果表明,有轨电车主要吸引25-64岁的用户,其中包括许多12-24岁的学生。大多数用户是高中或大学毕业生,每月收入在一个基本统一工资左右,反映了中下经济阶层。大约三分之一的人每天使用有轨电车,他们更看重旅行时间和舒适度,而不是生态方面的考虑。工作和教育是人们使用有轨电车的主要原因。男性优先考虑旅行时间和舒适度,而女性更看重安全。尽管使用频率和满意度之间的相关性较弱,但总体满意度较高,这表明需要进一步研究其他因素以增强系统吸引力。聚类分析揭示了不同的用户特征:重视速度的普通通勤者,偶尔使用的年轻用户,优先考虑安全性和舒适性的混合年龄群体,平衡速度和舒适性的年轻人,以及高满意度的高学历专业人士。这种多样化的特征强调了有轨电车系统的广泛吸引力,并提出了有针对性的策略来提高用户满意度。
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引用次数: 0
Public transport: Status and research priorities for Latin America and the Caribbean 公共交通:拉丁美洲和加勒比的现状和研究优先事项
Pub Date : 2025-01-22 DOI: 10.1016/j.latran.2025.100025
Ricardo Giesen , Darío Hidalgo , Raúl Ramos
Public transport is essential in advancing sustainable, equitable, and safe mobility. It is the primary transportation mode in Latin American and the Caribbean (LAC) cities, but it is facing a fast decline in favor of individual motorized modes, especially motorcycles. Improving public transport in LAC cities requires understanding local conditions, such as demographic changes, increase in older population, higher incomes, urban sprawl, environmental deterioration, and prevalent social exclusion. To identify research priorities, we reviewed selected academic papers published in the last ten years in the region and completed a consultation among transport researchers in LAC. The review indicates that researchers in the LAC region have concentrated on researching public transport reforms, on social aspects, like accessibility, equity, and inclusion, on demand, behavior, and user perceptions of public transport, on emissions, externalities, and new technologies. This review suggests that multiple aspects require further analysis to improve quality of public transport services and reduce social, environmental, and financial impacts. We complemented this review with consultation with academics participating in the regional transport research conference PANAM STR. Participants identified key research topics and their priorities. Topics include, in order of importance: valuation of externalities; operating business models; safety; new methods for collecting information in cities lacking data; governance in public transport systems; last mile connectivity; electro-mobility; modal integration, reallocation of road space for sustainable mobility modes; inclusion of informal services; and improving labor conditions for transportation workers. A subjective valuation of the opportunity for these topics (short, medium, long term) and the impact of de-carbonization was provided.
公共交通对于促进可持续、公平和安全的出行至关重要。它是拉丁美洲和加勒比(LAC)城市的主要交通方式,但它正面临着个人机动方式,特别是摩托车的青睐快速下降。改善拉丁美洲和加勒比地区城市的公共交通需要了解当地的情况,如人口变化、老年人口增加、收入增加、城市扩张、环境恶化和普遍的社会排斥。为了确定研究重点,我们审查了过去十年在该地区发表的一些学术论文,并完成了拉丁美洲和加勒比地区交通研究人员之间的咨询。该综述表明,拉丁美洲和加勒比地区的研究人员集中研究公共交通改革、可达性、公平性和包容性等社会方面、公共交通的需求、行为和用户观念、排放、外部性和新技术。这篇综述表明,要提高公共交通服务质量,减少对社会、环境和财政的影响,需要进一步分析多个方面。我们与参加区域运输研究会议PANAM STR的学者进行了磋商,以补充这项审查。与会者确定了主要的研究课题及其优先事项。主题包括(按重要性排序):外部性评估;运营商业模式;安全;在缺乏数据的城市收集信息的新方法;公共交通系统的治理;最后一英里连接;电动车产业;模式整合,道路空间的重新分配,以实现可持续的交通模式;纳入非正规服务;改善运输工人的劳动条件。对这些专题的机会(短期、中期、长期)和脱碳的影响作出了主观评价。
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引用次数: 0
Transportation and land use: Research priorities for Latin America and the Caribbean 交通和土地利用:拉丁美洲和加勒比的研究重点
Pub Date : 2025-01-10 DOI: 10.1016/j.latran.2025.100024
Oriana Calderón , C. Erik Vergel-Tovar , Víctor Cantillo
When analyzing transportation systems, it is essential to consider the close interactions with the activity system. Land use affects the social, economic and environmental dynamics of cities, which are reflected in mobility patterns. Mobility patterns, in turn, affect the spatial structure of transportation networks, which in turn affects the accessibility and, consequently, the location of activities. These interrelationships between land use and the transportation system, which influence urban dynamics, constitute a fundamental research topic that must be considered in the construction of sustainable cities and territories. This paper describes the current situation of land use planning in Latin America and the Caribbean and then identifies research priorities for transportation and land use in the region. The analysis is the result of an expert workshop promoted by the Inter-American Development Bank and the Pan-American Society of Transportation and Logistics Research aimed at building an agenda for decarbonizing transportation in Latin America. The research priorities fall into three broad areas: "Land Use Policy, Planning and Public Management," "Logistics Land Use," and "Informality and Land Use." For each research action identified, the document describes the time horizon, the level of priority, and the impact on decarbonization.
在分析交通系统时,必须考虑与活动系统的密切相互作用。土地利用影响城市的社会、经济和环境动态,这反映在流动模式上。流动模式反过来又影响交通网络的空间结构,而交通网络又影响可达性,从而影响活动的地点。这些影响城市动态的土地利用和交通系统之间的相互关系构成了建设可持续城市和地区必须考虑的基础研究课题。本文描述了拉丁美洲和加勒比地区土地利用规划的现状,然后确定了该地区交通和土地利用的研究重点。这项分析是美洲开发银行和泛美运输和物流研究学会推动的一个专家讲习班的结果,该讲习班的目的是制订拉丁美洲运输脱碳议程。研究重点分为三大领域:“土地利用政策、规划和公共管理”、“物流土地利用”和“非正式与土地利用”。对于确定的每一项研究行动,该文件描述了时间范围、优先级别以及对脱碳的影响。
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引用次数: 0
Research priorities for the decarbonization of freight transportation in Latin America 拉丁美洲货物运输脱碳的研究重点
Pub Date : 2024-12-18 DOI: 10.1016/j.latran.2024.100023
José Holguín-Veras , Leise Kelli de Oliveira , Oriana Calderón , Carlos González-Calderón
This article proposes a research agenda to foster the decarbonization of freight transportation in Latin America. The proposed research agenda stems from extensive workshop discussions with leading Latin American and Caribbean experts who actively participated in the PANAMSTR-IADB workshop during the XXII Pan American Congress on Transportation and Logistics in 2023 in Guayaquil, Ecuador. Research priorities in freight transportation should be coupled with endeavors to enhance technical competencies related to sector operations, infrastructure requirements, and initiatives to improve information accessibility to support decision-making and planning processes.
本文提出了一个研究议程,以促进拉丁美洲货物运输的脱碳。拟议的研究议程源于与2023年在厄瓜多尔瓜亚基尔举行的第22届泛美运输和物流大会期间积极参加PANAMSTR-IADB研讨会的拉丁美洲和加勒比地区主要专家进行的广泛研讨会讨论。货运方面的研究优先事项应与加强与部门业务、基础设施要求有关的技术能力的努力结合起来,并采取行动改善信息的可及性,以支持决策和规划过程。
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引用次数: 0
Bicycle parking allocation and its equity implications: The case of Bogota, Colombia 自行车停车位分配及其对公平的影响:哥伦比亚波哥大案例
Pub Date : 2024-09-09 DOI: 10.1016/j.latran.2024.100022
Mauricio Orozco-Fontalvo , Jorge Bolívar , Armando Vélez , Juliana Gómez , Filipe Moura

Bicycles are a sustainable alternative for urban mobility; however, their usage depends mainly on safety, convenience, and infrastructure availability, which have been widely studied. However, most studies have overlooked the importance of bicycle parking facilities in the network-planning process. In this work we aim to draw attention to the importance of including bicycle parking (BP) facilities in a well-thought-out bicycle infrastructure planning process highlighting the detrimental effects of not doing so for transportation equity, using Bogotá, Colombia, as a case study, where bicycle trips have multiplied in the last few years, reaching a 6.6 % modal share in 2019. To this end, we present a geospatial analysis and machine learning approach to assess the network coverage of bicycle parking spots. Additionally, we compared the city's bicycle trip patterns and applied a survey to know the perception of users (n = 397). The results show that the current distribution of bicycle parking in the city does not favour equity, given that it is not in line with the origin and destination of bicycle trips. This could widen socio-territorial inequity by affecting accessibility to bicycle use for daily commutes. To the best of our knowledge, this study presents the first assessment of the impact of parking distribution on the planning of bicycle infrastructure in the Global South.

自行车是城市交通的一种可持续替代方式;然而,自行车的使用主要取决于安全性、便利性和基础设施的可用性,这些因素已被广泛研究。然而,大多数研究都忽视了自行车停放设施在网络规划过程中的重要性。在这项工作中,我们以哥伦比亚波哥大为例,旨在提请人们注意将自行车停放(BP)设施纳入深思熟虑的自行车基础设施规划过程的重要性,并强调不这样做对交通公平的不利影响。为此,我们采用地理空间分析和机器学习方法来评估自行车停放点的网络覆盖。此外,我们还比较了城市的自行车出行模式,并通过调查了解用户的看法(n = 397)。结果表明,目前城市中自行车停放点的分布与自行车出行的出发地和目的地不一致,不利于公平。这可能会影响自行车在日常通勤中的使用,从而扩大社会地域不平等。据我们所知,本研究首次评估了停车位分布对全球南部自行车基础设施规划的影响。
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引用次数: 0
City-wide cycling network extension and bicycle ridership in São Paulo: A causal analysis 圣保罗全市自行车网络的扩展与自行车骑行率:因果分析
Pub Date : 2024-09-07 DOI: 10.1016/j.latran.2024.100021
Francisco Edson Macedo Filho , Camila Cunquero

Over the past 15 years, São Paulo, a megacity in Southeastern Brazil, has tackled its enduring mobility challenges by constructing over 500 km of bike routes and supporting various cycling initiatives, including recreational cycling programs, mobility strategies and bikeshare. Despite the generally positive impacts of these initiatives, the absence of robust causal evidence on their benefits can pose serious challenges for future investments in light of the existing social dynamic favoring the use of automobiles. Driven by the need to reduce motorized transport in Brazilian cities, we investigate the causal effects of bicycle routes on ridership between 2007 and 2017, focusing on travellers highly exposed to bike routes developed between 2008 and 2015. Using Difference-in-Differences models alongside Household Travel Surveys conducted before and after the interventions, we observed a modest but positive increase in cycling mode choice probability, ranging from 0.60 % to 1.37 %, among the highly exposed treatment groups. Our findings provide policymakers with valuable insights to support future cycling infrastructure planning and investment, demonstrating their potential net benefits even in car-dependent urban areas. By integrating these results into existing economic appraisal tools, policymakers can further assess additional benefits related to physical activity, health, and emissions reduction.

圣保罗是巴西东南部的一个大城市,在过去 15 年里,圣保罗通过建设 500 多公里的自行车道和支持各种自行车活动,包括休闲自行车项目、交通战略和自行车共享,应对了持久的交通挑战。尽管这些举措总体上产生了积极影响,但由于缺乏有力的因果证据来证明这些举措的益处,在现有的有利于使用汽车的社会动态下,会给未来的投资带来严峻挑战。为了减少巴西城市中的机动化交通,我们调查了 2007 年至 2017 年间自行车线路对骑行者的因果影响,重点关注 2008 年至 2015 年间开发的自行车线路对旅行者的高度影响。利用差分模型和干预前后进行的家庭出行调查,我们观察到在高接触率处理组中,自行车出行方式选择概率有适度但积极的增长,从 0.60 % 到 1.37 % 不等。我们的研究结果为政策制定者提供了有价值的见解,有助于支持未来的自行车基础设施规划和投资,即使在依赖汽车的城市地区也能证明其潜在的净效益。通过将这些结果纳入现有的经济评估工具,决策者可以进一步评估与体育活动、健康和减排相关的其他效益。
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引用次数: 0
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Latin American Transport Studies
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