Latin American Transport Studies最新文献

{"title":"Evaluation of models for estimating free-flow speed on two-lane rural highways in Brazil","authors":"Thais Berger Barbosa da Silva,&nbsp;José Elievam Bessa Jr.,&nbsp;Leise Kelli de Oliveira","doi":"10.1016/j.latran.2024.100011","DOIUrl":"https://doi.org/10.1016/j.latran.2024.100011","url":null,"abstract":"<div><p>The objective of this article was to evaluate different models found in the literature to estimate the free-flow speed (FFS) on Brazilian two-lane rural highways. The models available in three editions of the Highway Capacity Manual (HCM) and two adaptations of the manual were evaluated to reproduce the behavior found on Brazilian highways. This evaluation was carried out based on traffic data collected in nine homogeneous segments of a Brazilian highway (MG-050) in the state of Minas Gerais. The FFS results estimated with the analytical methods were compared with the FFS data observed directly in the field. It was identified that there is no correlation between the FFS values produced by the analytical methods and the values found in the field. However, two models, one HCM2000 and another HCM2022, adapted to Brazilian traffic conditions, have similar average FFS values to those observed in the field.</p></div>","PeriodicalId":100868,"journal":{"name":"Latin American Transport Studies","volume":"2 ","pages":"Article 100011"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2950024924000039/pdfft?md5=fec377c28c91648fb054d59cbce123ca&pid=1-s2.0-S2950024924000039-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140066913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Welcome to Latin American Transport Studies","authors":"Ana Margarita Larrañaga ,&nbsp;Víctor Cantillo","doi":"10.1016/j.latran.2024.100013","DOIUrl":"https://doi.org/10.1016/j.latran.2024.100013","url":null,"abstract":"","PeriodicalId":100868,"journal":{"name":"Latin American Transport Studies","volume":"2 ","pages":"Article 100013"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2950024924000052/pdfft?md5=5429c9286d1e1e61ffb2241994126b45&pid=1-s2.0-S2950024924000052-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140123250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluating sustainable efficiency: A study on transportation systems in South America using data envelopment analysis","authors":"Hélio da Silva Queiroz Júnior ,&nbsp;Marcos Araújo de Souza Celestino ,&nbsp;Viviane Adriano Falcão ,&nbsp;Francisco Gildemir Ferreira da Silva ,&nbsp;Maurício de Oliveira Andrade ,&nbsp;Anísio Brasileiro","doi":"10.1016/j.latran.2024.100012","DOIUrl":"https://doi.org/10.1016/j.latran.2024.100012","url":null,"abstract":"<div><p>The transport sector is pivotal in fostering economic growth and environmental sustainability. Extensive research has scrutinized various transportation modes individually, yet a holistic assessment encompassing all modes while considering CO2 emissions needs to be more conspicuously present. Our study employs Data Envelopment Analysis (DEA) to evaluate the efficacy of transportation policies in South American nations in the context of United Nations-established sustainable development goals. Our overarching objective is to classify the sustainability status of South American countries' transport sectors and to establish benchmark models rooted in the six dimensions of sustainability. Methodologically, our analysis integrates operational transportation metrics, Gross Domestic Product per capita, Human Development Index, and CO2 emissions from transportation systems. Additionally, we draw comparative insights by juxtaposing South American countries against the G8 and BRICS nations. The rigorous application of DEA coupled with bootstrap validation fortifies the reliability of our findings. Our results bring to light these findings, positioning South American countries closer to their developed counterparts. Notably, the sustainable development models of Chile and Uruguay emerge as prominent exemplars. This study underscores the pressing demand for holistic and integrated development strategies to attain more sustainable outcomes across South American nations in a faster way. In conclusion, our research fills a conspicuous void in the extant literature by furnishing a comprehensive evaluation of transportation policy performance in South America. Based on a robust methodology, this empirical evidence offers valuable insights for policymakers striving to advance sustainable regional development.</p></div>","PeriodicalId":100868,"journal":{"name":"Latin American Transport Studies","volume":"2 ","pages":"Article 100012"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2950024924000040/pdfft?md5=eb51cb0ac3889dea32f6c672a018995c&pid=1-s2.0-S2950024924000040-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140112855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Built environment and crash severity in school surroundings: A study of Porto Alegre, Brazil","authors":"Tânia Batistela Torres,&nbsp;Christine Tessele Nodari,&nbsp;Ana Margarita Larrañaga","doi":"10.1016/j.latran.2023.100008","DOIUrl":"https://doi.org/10.1016/j.latran.2023.100008","url":null,"abstract":"<div><p>Foster road safety in school surroundings is an answer for high traffic injury rates and can help to build safe, healthy, and sustainable cities. This paper pursues two goals: identifying the built environment characteristics that influence the severity of traffic crashes in elementary school surroundings for a medium-sized city in Latin America, Porto Alegre (Brazil); and discussing safety measures to provide information for policy making. Ordered and unordered discrete choice models, with random parameters, were estimated in order to analyze the influence of built environment characteristics on the traffic crash severity. The modeling indicates that the severity of traffic injuries in school surroundings is influenced by school, crash, socioeconomic characteristics, and the built environment, highlighting the negative role of the number of four-way intersections and the positive impact of commercial land use for crash involving a car and at least one pedestrian or cyclist. Developing built environment strategies to encourage active mode trips should consider identifying measures to ensure safety.</p></div>","PeriodicalId":100868,"journal":{"name":"Latin American Transport Studies","volume":"2 ","pages":"Article 100008"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2950024923000082/pdfft?md5=0c8edd965e1cded857e9db98f4ecaf76&pid=1-s2.0-S2950024923000082-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139107587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bicycle parking allocation and its equity implications: The case of Bogota, Colombia","authors":"Mauricio Orozco-Fontalvo ,&nbsp;Jorge Bolívar ,&nbsp;Armando Vélez ,&nbsp;Juliana Gómez ,&nbsp;Filipe Moura","doi":"10.1016/j.latran.2024.100022","DOIUrl":"10.1016/j.latran.2024.100022","url":null,"abstract":"<div><p>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.</p></div>","PeriodicalId":100868,"journal":{"name":"Latin American Transport Studies","volume":"2 ","pages":"Article 100022"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2950024924000143/pdfft?md5=2e4342629263e6d3c0b9cb5ac7578c1b&pid=1-s2.0-S2950024924000143-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142161596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Decarbonization pathways in Brazilian maritime cabotage: A comparative analysis of very low sulfur fuel oil, marine diesel oil, and hydrogenated vegetable oil in carbon dioxide equivalent emissions","authors":"Gustavo Adolfo Alves da Costa ,&nbsp;André Bergsten Mendes ,&nbsp;Vanina Macowski Durski Silva","doi":"10.1016/j.latran.2024.100018","DOIUrl":"https://doi.org/10.1016/j.latran.2024.100018","url":null,"abstract":"<div><p>This study evaluates the decarbonization potential within Brazilian maritime cabotage by comparing carbon dioxide equivalent emissions from conventional fuels - specifically, Very Low Sulfur Fuel Oil and Marine Diesel Oil - with those from Hydrogenated Vegetable Oil. Utilizing a life cycle assessment approach alongside a mathematical model based on operational schedules from four leading Brazilian maritime cabotage companies in the container sector, this research quantifies the environmental benefits of switching fuels. The results demonstrate that transitioning to Hydrogenated Vegetable Oil could significantly reduce annual emissions, from 1395,466 tons of carbon dioxide equivalent to 343,950 tons, amounting to a 75.4 % decrease. This noticeable decrease underscores the critical importance and viability of incorporating hydrogenated vegetable oil into the maritime sector's fuel mix as part of Brazil's broader decarbonization strategy. This research highlights the need for strategic policy reforms and strengthened collaboration across sectors to advance Brazil's maritime sustainability efforts.</p></div>","PeriodicalId":100868,"journal":{"name":"Latin American Transport Studies","volume":"2 ","pages":"Article 100018"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2950024924000106/pdfft?md5=2babf6db5a34a83530d3bc8465c15905&pid=1-s2.0-S2950024924000106-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141423386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Integrated simulation of an inland container terminal and waterway service for enhancing the maritime supply chain connectivity between Joinville and Itapoá Port","authors":"Raiza Celeghin Benedecti ,&nbsp;Vanina Macowski Durski Silva ,&nbsp;Gustavo Adolfo Alves da Costa","doi":"10.1016/j.latran.2024.100019","DOIUrl":"10.1016/j.latran.2024.100019","url":null,"abstract":"<div><p>Maritime transportation plays a pivotal role in the Brazilian economy, accounting for 88 % of exports and 73 % of imports in 2021. This substantial contribution has positioned Santa Catarina State as the second-largest container handler in the country, representing 24 % of the national total. Given the significance of Itapoá Port, which ranks fifth in containerized cargo handling, and the city of Joinville, known for its substantial cargo movement through the Port, this study focuses on the intricate dynamics of the maritime supply chain in this region. The primary contribution of this paper is the proposal of an inland container terminal and waterway service between Joinville and Itapoá Port, evaluated through an Agent-Based Simulation Model and financial analysis. The proposed framework demonstrates both operational and economic viability and emerges as a competitive option, yielding a 2 % reduction in costs for end customers compared to the current scenario. The results indicate a positive impact on the level of service offered to customers in Joinville, with a notable 65 % reduction in truck dwell time. Additionally, this approach fosters a more environmentally sustainable operation, achieving a 65 % decrease in greenhouse gas emissions. These outcomes are realized through a significant 49 % reduction in the number of trucks and an 84 % decrease in their average travel distance.</p></div>","PeriodicalId":100868,"journal":{"name":"Latin American Transport Studies","volume":"2 ","pages":"Article 100019"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2950024924000118/pdfft?md5=aebf73232b4dd0113ad2c55d6326609b&pid=1-s2.0-S2950024924000118-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141639377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Spatial variation of bus stop crime response to changes in the surrounding environment and transit level of service","authors":"Samuel de França Marques","doi":"10.1016/j.latran.2024.100020","DOIUrl":"10.1016/j.latran.2024.100020","url":null,"abstract":"<div><p>Increasing concerns over the significant number of crimes occurring at and around bus stops have motivated the analysis of intervening factors to propose solutions to this problem. However, models found so far overlook important features of crime data: spatial dependence and spatial heterogeneity. In addition, crime predictor data has shown to be multicollinear in previous studies. To tackle these issues, this paper analyzes mobile phone thefts and robberies at 19,329 bus stops in São Paulo (Brazil) based on Geographically Weighted Regression (GWR), using components retained from a Principal Component Analysis (PCA) as explanatory variables. A comparison is carried out between GWR and a non-spatial Transformed Linear Regression (TLR), and a Negative Binomial Regression (NBR) with uncorrelated predictors. Effects on crime from 9 PCs, representing central areas, bus transit level of service, transport infrastructure, land use and sociodemographic features, were proven to have high spatial variability. Changes in the surrounding environment can cause higher or lower increases in mobile phone thefts and robberies at stops according to their spatial location. Results showed that GWR performs better than NBR and TLR in predicting bus stop crime, thus compensating for a loss of information associated with PCA. In addition, GWR was able to completely incorporate the spatial dependence found in the non-spatial model, which covered the nearest 96 neighboring stops. The proposed method can effectively detect critical bus stops and regions, contributing to crime prevention. GWR coupled with PCA can also help identify the best locations to install new bus stops.</p></div>","PeriodicalId":100868,"journal":{"name":"Latin American Transport Studies","volume":"2 ","pages":"Article 100020"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S295002492400012X/pdfft?md5=bc5779f3dfa8bfa7b3ea10dfd681e703&pid=1-s2.0-S295002492400012X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142095582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Inequalities in accessibility to daily opportunities in the metropolitan region of Belo Horizonte (Brazil)","authors":"Eugênia Dória Viana Cerqueira ,&nbsp;Alexandre Magno Alves Diniz","doi":"10.1016/j.latran.2024.100016","DOIUrl":"https://doi.org/10.1016/j.latran.2024.100016","url":null,"abstract":"<div><p>Despite the historical core-periphery urbanization pattern marked by profound inequalities in Latin American cities, the emergence of new suburban structures may introduce more complex dynamics of accessibility. In this study, we conduct a novel investigation into inequalities in accessibility to non-work urban opportunities in the Metropolitan Region of Belo Horizonte (MRBH), utilizing a combined analysis of a cumulative opportunity accessibility indicator and population distribution to assess both social and spatial discrepancies. The findings reveal that low-income households experience significantly lower accessibility to urban opportunities, while the development of new suburban structures results in high accessibility levels in high-income neighborhoods. These results highlight two contrasting processes of segregation: low-income groups being displaced to distant peripheral areas with limited accessibility, while high-income groups settling in low-density residential developments with abundant motorized accessibility to nearby opportunities.</p></div>","PeriodicalId":100868,"journal":{"name":"Latin American Transport Studies","volume":"2 ","pages":"Article 100016"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2950024924000088/pdfft?md5=a2fd406ae8d9b6512f819e322f3c41af&pid=1-s2.0-S2950024924000088-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140823186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Identification and priorization techniques aplied to urban traffic crash locations: A scoping review","authors":"Fagner Sutel de Moura ,&nbsp;Lucas França Garcia ,&nbsp;Tânia Batistela Torres ,&nbsp;Leonardo Pestillo Oliveira ,&nbsp;Chritine Tessele Nodari","doi":"10.1016/j.latran.2024.100010","DOIUrl":"https://doi.org/10.1016/j.latran.2024.100010","url":null,"abstract":"<div><p>This paper presents a Scoping Review of methods used for the identification and prioritization of Traffic Crash Locations (TCL) in complex urban areas, considering different accident classes and outcomes with different degrees of severity. Were obtained relevant studies on identifying and prioritizing accident-prone locations from the consultation of two electronic databases (Scopus and Web of Science). The data obtained were evaluated by independent reviewers. Studies carried out in urban areas, which carry out the tasks of grouping accidents into units of analysis, identifying candidate areas, and prioritizing accident-prone locations, were selected. Forty-two studies were selected and evaluated. The applied units of analysis, identification methods, and criteria for prioritizing candidate areas for accident-prone locations were identified among the studies found. The mapping of the works that apply statistical significance criteria of the findings and longitudinal analyses of the candidate sites was carried out. Among the strategies used to identify TCL, the most frequently applied approach was Spatial Association (SA) (23.81%), followed by minimum threshold limit (MTL) (14.29%). Among the different ranking criteria identified, the upper control limit (UCL) criterion stood out, followed by the density and expected frequencies criteria. This work presents a narrative summary mapping the heterogeneity of applied approaches. The contribution of this study was the presentation of the roadmap for the different studies related to the analysis of TCL. Finally, this work points out the need to adopt longitudinal analyzes as a criterion for prioritizing TCL and the application of criteria of statistical significance during the prioritization stage of TCL.</p></div>","PeriodicalId":100868,"journal":{"name":"Latin American Transport Studies","volume":"2 ","pages":"Article 100010"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2950024924000027/pdfft?md5=aeaf5dc5ca0f949795c29b0afee83711&pid=1-s2.0-S2950024924000027-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139935255","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}