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Transportation Research Part D-transport and Environment最新文献

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Mapping noise and pollutant emissions hotspots: Driving behavior and vehicle features based-analysis 绘制噪声和污染物排放热点图：基于驾驶行为和车辆特征的分析
IF 7.3 1区 工程技术
Transportation Research Part D-transport and Environment Pub Date : 2024-10-22 DOI: 10.1016/j.trd.2024.104466
{"title":"Mapping noise and pollutant emissions hotspots: Driving behavior and vehicle features based-analysis","authors":"","doi":"10.1016/j.trd.2024.104466","DOIUrl":"10.1016/j.trd.2024.104466","url":null,"abstract":"<div><div>Understanding exhaust and noise emissions-related dynamics in urban environments presents ongoing challenges, aggravated by the absence of integrated assessments and noise models capable of handling single-vehicle kinematic data. This paper offers a comprehensive methodology aimed at addressing these gaps through the development of noise, carbon dioxide (CO<sub>2</sub>), and nitrogen oxides (NO<sub>X</sub>) emission maps using microscopic models. Focusing on a network consisting of a national road and an urban multilane roundabout, the study uses a microscopic multi-modal traffic simulation tool. It simulates traffic volumes, speed and acceleration profiles, and pedestrian movements over a 14-hour period to feed the models. The findings underscore roundabout entries as critical CO<sub>2</sub> and NO<sub>X</sub> hotspots, while noise hotspots are linked to network congestion levels and the interactions between vehicles and pedestrians. This approach facilitates the monitoring of emissions and offers insights for urban planning decisions aimed at fostering sustainable development.</div></div>","PeriodicalId":23277,"journal":{"name":"Transportation Research Part D-transport and Environment","volume":null,"pages":null},"PeriodicalIF":7.3,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142528054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Vocs pollution and respiratory exposure in commercial and residential underground parking garages 商业和住宅地下停车场的 Vocs 污染与呼吸道接触
IF 7.3 1区 工程技术
Transportation Research Part D-transport and Environment Pub Date : 2024-10-21 DOI: 10.1016/j.trd.2024.104472
{"title":"Vocs pollution and respiratory exposure in commercial and residential underground parking garages","authors":"","doi":"10.1016/j.trd.2024.104472","DOIUrl":"10.1016/j.trd.2024.104472","url":null,"abstract":"<div><div>The indoor air quality in Underground Parking Garages (UPGs) has deteriorated significantly, primarily due to the high concentrations of particulate matter and volatile organic compounds (VOCs) emitted by idling or low-speed motor vehicles. However, the compositional characteristics and respiratory exposure to VOCs in UPGs have not been quantitatively analyzed. To establish a method for investigating the respiratory exposure to VOCs among different populations in UPGs, a three-dimensional dynamic diffusion model of indoor pollutants was developed based on monitoring data from 116 components in various UPGs in a large city in northern China. The results indicated that air pollution in underground spaces poses significant health risks to workers and children. Furthermore, a comprehensive approach is essential for improving ventilation capacity and air quality in underground transportation spaces.</div></div>","PeriodicalId":23277,"journal":{"name":"Transportation Research Part D-transport and Environment","volume":null,"pages":null},"PeriodicalIF":7.3,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142528052","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Environmental life-cycle impacts of bitumen: Systematic review and new Canadian models 沥青对环境生命周期的影响：系统回顾和新的加拿大模型
IF 7.3 1区 工程技术
Transportation Research Part D-transport and Environment Pub Date : 2024-10-18 DOI: 10.1016/j.trd.2024.104439
{"title":"Environmental life-cycle impacts of bitumen: Systematic review and new Canadian models","authors":"","doi":"10.1016/j.trd.2024.104439","DOIUrl":"10.1016/j.trd.2024.104439","url":null,"abstract":"<div><div>Bitumen − or asphalt binder − is a major contributor to pavement environmental impacts. Nevertheless, the literature only counts scarce asphalt binder LCAs, with highly variable results. To better understand bitumen environmental impacts, we review LCAs published before 2024. Then, we build bitumen LCA models for different Canadian markets, using TRACI 2.1 and ecoinvent v3.6. The carbon footprint of Canadian asphalt binders ranges within [826–1098] kgCO<sub>2</sub>eq/t (potentially up to 2680 kgCO<sub>2</sub>eq/t when including fugitive emissions). Crude oil extraction is the main contributor to most life cycle environmental impact categories, but likely still underestimated. Transportation impacts can vary highly ([18–291] kgCO<sub>2</sub>eq/t in Canada). Models for these two hotspots must be tailored. Finally, we critically compare the carbon footprints of all published virgin asphalt binders LCAs: previous carbon footprints range within [143–637] kgCO<sub>2</sub>eq/t and are very likely underestimated. Previous pavement LCA results must be questioned, and higher-quality LCIs urgently developed to produce robust regionalized LCA-based recommendations on pavement green practices.</div></div>","PeriodicalId":23277,"journal":{"name":"Transportation Research Part D-transport and Environment","volume":null,"pages":null},"PeriodicalIF":7.3,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142446651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Developing driving cycles for garbage trucks to estimate fuel consumption 开发垃圾车驾驶周期，估算燃料消耗量
IF 7.3 1区 工程技术
Transportation Research Part D-transport and Environment Pub Date : 2024-10-18 DOI: 10.1016/j.trd.2024.104469
{"title":"Developing driving cycles for garbage trucks to estimate fuel consumption","authors":"","doi":"10.1016/j.trd.2024.104469","DOIUrl":"10.1016/j.trd.2024.104469","url":null,"abstract":"<div><div>Driving cycle offers a comprehensive understanding of operational features throughout the waste collection and transportation (C&amp;T) process, which is critical for optimizing waste management aiming at reducing energy use and environmental pollution. In this study, the Micro-trip method, combined with principal component and cluster analysis, was adopted to divide the C&amp;T process into five operational phases. Considering diverse waste types and C&amp;T modes, four driving cycles were synthesized for garbage trucks. The average speeds of garbage truck cycles are considerably lower, coupled with prolonged idle durations, marking a substantial deviation from standard cycles. Additionally, the OpMode-bin method was employed to estimate fuel consumption for both garbage truck cycles and standard cycles. The results reveal that using standard cycles generally results in an underestimation of fuel consumption by 20 % to 30 %, which highlights the necessity of developing specific driving cycles to ensure accurate fuel use and emission quantification for garbage trucks.</div></div>","PeriodicalId":23277,"journal":{"name":"Transportation Research Part D-transport and Environment","volume":null,"pages":null},"PeriodicalIF":7.3,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142446650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
NOx reduction scenarios under real-world driving conditions for light-duty diesel vehicles 轻型柴油车在实际驾驶条件下的氮氧化物减排方案
IF 7.3 1区 工程技术
Transportation Research Part D-transport and Environment Pub Date : 2024-10-17 DOI: 10.1016/j.trd.2024.104467
{"title":"NOx reduction scenarios under real-world driving conditions for light-duty diesel vehicles","authors":"","doi":"10.1016/j.trd.2024.104467","DOIUrl":"10.1016/j.trd.2024.104467","url":null,"abstract":"<div><div>This study analyze analyzes the impact of stringent emissions regulations on future NOx reductions. Using scenario analysis, NOx emissions of diesel light-duty vehicles from 2019 to 2040 are estimated using emission factors from real driving emissions data. The baseline scenario assumes current regulations will be maintained, while other scenarios assess the impact of implementing specific Euro standards as final regulations. If Euro 5 regulations are implemented by 2040, cumulative emissions will increase by 229.1 % compared to the baseline scenario. Implementing Euro 6 a/b/c regulations will increase by 156.2 %, while Euro 6 d-temp and Euro 6 d regulations will increase by 8.4 % and 0.7 %, respectively. These findings highlight the significant contribution of real driving emission test introduced with Euro 6 d-temp to NOx reduction. Furthermore, they indicate that Euro 6 d regulation has already achieved emission levels similar to those of the upcoming Euro 7 regulation.</div></div>","PeriodicalId":23277,"journal":{"name":"Transportation Research Part D-transport and Environment","volume":null,"pages":null},"PeriodicalIF":7.3,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142446648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Estimating traffic congestion cost uncertainty using a bootstrap scheme 利用自举法估算交通拥堵成本的不确定性
IF 7.3 1区 工程技术
Transportation Research Part D-transport and Environment Pub Date : 2024-10-17 DOI: 10.1016/j.trd.2024.104462
{"title":"Estimating traffic congestion cost uncertainty using a bootstrap scheme","authors":"","doi":"10.1016/j.trd.2024.104462","DOIUrl":"10.1016/j.trd.2024.104462","url":null,"abstract":"<div><div>This study introduces a bootstrap-based approach to estimate the uncertainty in the total economic cost of congestion (TCC) due to traffic delays. Focusing on Medellín, Colombia, we employed a stratified random sampling plan of road segments to capture real-time traffic data via Google Maps. By integrating a Linear Mixed-Effects model with a nonparametric Bootstrap method, we produced robust hourly delay distributions, which were then used to estimate TCC. Our findings estimate Medellín’s annual congestion cost at approximately USD 375.7 million, with a 95 % confidence interval ranging from USD 348.2 to USD 405.2 million. This range not only quantifies the uncertainty in congestion costs but also provides a benchmark for future comparisons, enabling policymakers to distinguish significant changes from random fluctuations. The results offer critical insights for urban planning, highlighting key road characteristics that could reduce congestion and addressing the variability often overlooked in cost estimates.</div></div>","PeriodicalId":23277,"journal":{"name":"Transportation Research Part D-transport and Environment","volume":null,"pages":null},"PeriodicalIF":7.3,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142446647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Has the low sulfur strategy benefited the maritime supply chain? 低硫战略是否有利于海运供应链？
IF 7.3 1区 工程技术
Transportation Research Part D-transport and Environment Pub Date : 2024-10-17 DOI: 10.1016/j.trd.2024.104448
{"title":"Has the low sulfur strategy benefited the maritime supply chain?","authors":"","doi":"10.1016/j.trd.2024.104448","DOIUrl":"10.1016/j.trd.2024.104448","url":null,"abstract":"<div><div>Owing to the IMO 2020 low sulfur regulation, shipping carriers have adopted either very low-sulfur fuels or scrubbers, altering their cost structures and competitiveness. This study examines the regulation’s impact on low sulfur strategies by building game theory model of two carriers under scenarios with and without the regulation. The results reveal that while the regulation can disadvantage shippers, it potentially benefits carriers and fuel suppliers. However, in low-competition contexts, the carrier without slow steaming might struggle due to the low sulfur requirement, thus minimizing shipper losses. The research aims for an equilibrium low sulfur strategy, uncovering that speed does not always enhance market share or profits. Utilizing scrubbers achieves Pareto efficiency, avoiding the prisoner’s dilemma present in other strategies. Furthermore, the optimal equilibrium may enhance maritime supply chain benefits, emphasizing the importance of strategic low sulfur adoption and regulatory compliance for sustainable competitive advantage.</div></div>","PeriodicalId":23277,"journal":{"name":"Transportation Research Part D-transport and Environment","volume":null,"pages":null},"PeriodicalIF":7.3,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142446649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Demographic disparity and influences in electric vehicle adoption: A Florida case study 采用电动汽车的人口差异和影响因素：佛罗里达州案例研究
IF 7.3 1区 工程技术
Transportation Research Part D-transport and Environment Pub Date : 2024-10-14 DOI: 10.1016/j.trd.2024.104465
{"title":"Demographic disparity and influences in electric vehicle adoption: A Florida case study","authors":"","doi":"10.1016/j.trd.2024.104465","DOIUrl":"10.1016/j.trd.2024.104465","url":null,"abstract":"<div><div>The mass adoption of electric vehicles (EVs) remains an emerging goal despite existing barriers. Equity issues widely exist, but previous studies have mainly focused on purchase incentives and charging infrastructure. This study employs multinomial logistic mixed (MLM) and generalized linear mixed models (GLMM) to analyze the probability of owning an EV and the willingness to purchase an EV in Florida, respectively. Our analysis indicates significant demographic disparities, with older individuals and females less likely to own Tesla EVs, while Black and Hispanic individuals prefer non-Tesla EVs; social networks and awareness of climate change are crucial in influencing the willingness to adopt EVs. Policy implications drawn from our findings suggest the need for targeted marketing and financial incentives to address demographic disparities, the expansion of social network influence to drive adoption, and increased awareness and accessibility of EV-related policies and infrastructure to promote a more equitable transition to electric mobility.</div></div>","PeriodicalId":23277,"journal":{"name":"Transportation Research Part D-transport and Environment","volume":null,"pages":null},"PeriodicalIF":7.3,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142432480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Decarbonising Swedish maritime transport: Scenario analyses of climate policy instruments 瑞典海运去碳化：气候政策工具的情景分析
IF 7.3 1区 工程技术
Transportation Research Part D-transport and Environment Pub Date : 2024-10-14 DOI: 10.1016/j.trd.2024.104457
{"title":"Decarbonising Swedish maritime transport: Scenario analyses of climate policy instruments","authors":"","doi":"10.1016/j.trd.2024.104457","DOIUrl":"10.1016/j.trd.2024.104457","url":null,"abstract":"<div><div>To analyse the future transition towards fossil-free fuels in the Swedish maritime transport sector, this study develops a scenario modelling tool to assess implications of policy instruments, such as the European Union Emissions Trading System and the FuelEU Maritime regulation. Using data for individual ships and their operational patterns, the model estimates the lowest-cost fuel option for shipowners in different scenarios and calculates the resulting annual fuel consumption and greenhouse gas emissions. Scenario analyses indicate that policy instruments have the potential to affect shipowners’ investment choices, but that relatively strong price signals are required for significant effects to arise. Battery-electric propulsion is most common for passenger ferries, ropax ships, and small passenger cruises, while fishing vessels and service ships typically choose conventional fuels across all scenarios. Choices are found to vary between ship segments and scenarios, emphasising the need to consider ship-specific data when analysing effects of policy instruments.</div></div>","PeriodicalId":23277,"journal":{"name":"Transportation Research Part D-transport and Environment","volume":null,"pages":null},"PeriodicalIF":7.3,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142432479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing transit-oriented development sustainability through the integrated node-place-ecology (NPE) model 通过节点-空间-生态（NPE）综合模式增强公交导向开发的可持续性
IF 7.3 1区 工程技术
Transportation Research Part D-transport and Environment Pub Date : 2024-10-12 DOI: 10.1016/j.trd.2024.104456
{"title":"Enhancing transit-oriented development sustainability through the integrated node-place-ecology (NPE) model","authors":"","doi":"10.1016/j.trd.2024.104456","DOIUrl":"10.1016/j.trd.2024.104456","url":null,"abstract":"<div><div>Transit-Oriented Development (TOD) offers a strategic approach to enhance urban environmental sustainability. The node-place model, which is a classic analytical framework within the TOD typology, forms a foundation for evaluating TOD effectiveness. However, this model has been critiqued for its limited adaptability and static nature. This study seeks to bridge these gaps by presenting a novel, timeline-based node-place-ecology (NPE) model, integrating K-means clustering and Sustainable Development Line (SDL) testing to evaluate the sustainability progress of 96 TOD stations from 2011 to 2019. Results indicate that over the span of eight years, the 96 stations within the Tokyo metropolitan area have generally exhibited a positive trend. Additionally, we observed an increasing trend of monopolization in the node, place, and ecology dimensions at the stations located in the metropolitan center. This study underscores the necessity for dynamic TOD models in urban planning, offering insights into the sustainable evolution of transit hubs.</div></div>","PeriodicalId":23277,"journal":{"name":"Transportation Research Part D-transport and Environment","volume":null,"pages":null},"PeriodicalIF":7.3,"publicationDate":"2024-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142416459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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