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Key factors influencing the efficiency and competitiveness of Brazilian public ports: The role of a costing system
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.
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引用次数: 0
Influence of slope on pedestrian access to public transportation systems
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.
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引用次数: 0
Evaluation of the applicability of the predictive HSM method in signalized urban intersections in Colombia
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.
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引用次数: 0
Consumer attitudes towards retailers’ operational response to COVID-19: Empirical analysis of Colombian grocery chains
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.
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引用次数: 0
Tram adoption in Cuenca, Ecuador: Analyzing user profiles and preceding transport preferences
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.
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引用次数: 0
Public transport: Status and research priorities for Latin America and the Caribbean
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.
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引用次数: 0
Transportation and land use: Research priorities for Latin America and the Caribbean
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.
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引用次数: 0
Research priorities for the decarbonization of freight transportation in Latin America
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.
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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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Latin American Transport Studies
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