首页 > 最新文献

European Transport Research Review最新文献

英文 中文
Handling social considerations and the needs of different groups in public transport planning: a review of definitions, methods, and knowledge gaps 在公共交通规划中处理社会因素和不同群体的需求:对定义、方法和知识差距的审查
IF 4.3 3区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-07-29 DOI: 10.1186/s12544-024-00664-y
Robert Hrelja, Lena Levin, Rosalia Camporeale
This paper analyses the integration of social considerations into public transport planning. It addresses the challenge of balancing social benefits against objectives such as efficiency and cost minimization. Through a literature review, this paper examines methods for assessing public transport accessibility for potentially disadvantaged groups and identifies knowledge gaps in existing research. The analysis reveals a predominant focus on post-implementation (ex-post) accessibility assessments and a lack of research examining potential impacts (ex-ante) during planning stages. Furthermore, the paper identifies a lack of research on how to weigh social benefits against other more conventional objectives such as efficiency and cost minimization and also against environmental considerations. Research usually proposes changes ex-post based solely on a desire to improve accessibility for potentially disadvantaged groups. Therefore, there is a need for more research on how to manage conflicting interests in planning, for example through composite methods. The paper also highlights the tendency of research to overlook the practical usability of methods developed. The relevance of methods to policy makers and planners responsible for planning public transport systems remains largely unexplored. To develop practically useful methods, research needs a better understanding of the norms governing planning practices. It is common to discuss how the mobility needs of potentially disadvantaged passenger groups should be met in isolation from policy contexts. More research is needed about how the potential tensions between social, economic, and environmental considerations play out in public transport planning practices. All of this leads to a risk of a theory–practice gap, marked by a disconnect between research and the practical needs of the public transport providers. By proposing a more nuanced research approach that better reflects the complexity of real-world planning and the different needs of user groups, research can enable public transport planning for what we term ‘sustainable accessibility’.
本文分析了将社会因素纳入公共交通规划的问题。本文探讨了如何平衡社会效益与效率和成本最小化等目标之间的关系。通过文献综述,本文研究了针对潜在弱势群体的公共交通可达性评估方法,并确定了现有研究中的知识差距。分析表明,研究重点主要集中在实施后(事后)的无障碍评估,而缺乏对规划阶段潜在影响(事前)的研究。此外,本文还发现,在如何权衡社会效益与其他更常规的目标(如效率和成本最小化)以及环境因素方面缺乏研究。研究通常仅仅基于改善潜在弱势群体的可及性的愿望,提出事后变革建议。因此,有必要就如何管理规划中的利益冲突开展更多研究,例如通过综合方法。本文还强调了研究忽视所开发方法的实际可用性的倾向。这些方法与负责规划公共交通系统的决策者和规划者的相关性在很大程度上仍未得到探讨。为了开发出实际有用的方法,研究工作需要更好地理解规划实践的规范。在讨论如何满足潜在弱势群体的交通需求时,通常会脱离政策背景。对于公共交通规划实践中如何处理社会、经济和环境因素之间的潜在矛盾,还需要进行更多的研究。所有这些都有可能导致理论与实践脱节,即研究与公共交通提供者的实际需求脱节。通过提出一种更细致入微的研究方法,更好地反映现实世界规划的复杂性和用户群体的不同需求,研究可以使公共交通规划实现我们所说的 "可持续无障碍"。
{"title":"Handling social considerations and the needs of different groups in public transport planning: a review of definitions, methods, and knowledge gaps","authors":"Robert Hrelja, Lena Levin, Rosalia Camporeale","doi":"10.1186/s12544-024-00664-y","DOIUrl":"https://doi.org/10.1186/s12544-024-00664-y","url":null,"abstract":"This paper analyses the integration of social considerations into public transport planning. It addresses the challenge of balancing social benefits against objectives such as efficiency and cost minimization. Through a literature review, this paper examines methods for assessing public transport accessibility for potentially disadvantaged groups and identifies knowledge gaps in existing research. The analysis reveals a predominant focus on post-implementation (ex-post) accessibility assessments and a lack of research examining potential impacts (ex-ante) during planning stages. Furthermore, the paper identifies a lack of research on how to weigh social benefits against other more conventional objectives such as efficiency and cost minimization and also against environmental considerations. Research usually proposes changes ex-post based solely on a desire to improve accessibility for potentially disadvantaged groups. Therefore, there is a need for more research on how to manage conflicting interests in planning, for example through composite methods. The paper also highlights the tendency of research to overlook the practical usability of methods developed. The relevance of methods to policy makers and planners responsible for planning public transport systems remains largely unexplored. To develop practically useful methods, research needs a better understanding of the norms governing planning practices. It is common to discuss how the mobility needs of potentially disadvantaged passenger groups should be met in isolation from policy contexts. More research is needed about how the potential tensions between social, economic, and environmental considerations play out in public transport planning practices. All of this leads to a risk of a theory–practice gap, marked by a disconnect between research and the practical needs of the public transport providers. By proposing a more nuanced research approach that better reflects the complexity of real-world planning and the different needs of user groups, research can enable public transport planning for what we term ‘sustainable accessibility’.","PeriodicalId":12079,"journal":{"name":"European Transport Research Review","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141870562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Exploring cost performance tradeoffs and uncertainties for electric- and autonomous electric trucks using computational experiments 利用计算实验探索电动和自主电动卡车的成本性能权衡和不确定性
IF 4.3 3区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-07-08 DOI: 10.1186/s12544-024-00662-0
Albin Engholm, Andreas Allström, Mehdi Akbarian
The recent development of battery electric trucks (BETs) suggests that they could play a vital role in transitioning to zero-emission road freight. To facilitate this transition, it is important to understand under which conditions BETs can be a viable alternative to internal combustion engine trucks (ICETs). Concurrently, the advancement of autonomous driving technology adds uncertainty and complexity to analyzing how the cost competitiveness of future zero-emissions trucks, such as autonomous electric trucks (AETs) may develop. This study examines the cost performance of BETs and AETs compared to ICETs, and how it varies over different market and technology conditions, charging strategies, and transport applications. Focus is on heavy-duty tractor-trailer trucks operating full truckload shuttle-flows in Sweden. Due to the inherent uncertainty and interactions among the analyzed factors, the analysis is performed as computational experiments using a simulation model of BET, AET, and ICET shuttle flow operations and associated costs. In total, 19,200 experiments are performed by sampling the model across 1200 scenarios representing various transport applications and technical and economic conditions for sixteen charging strategies with different combinations of depot, destination, and en route charging. The results indicate that both BETs and AETs are cost competitive compared to ICETs in a large share of scenarios. High asset utilization is important for offsetting additional investment costs in vehicles and chargers, highlighting the importance of deploying these vehicles in applications that enable high productivity. The cost performance for BETs is primarily influenced by energy related costs, charging strategy, and charging infrastructure utilization. The AET cost performance is in addition heavily affected by remote operations cost, and costs for the automated driving system. When feasible, relying only on depot charging is in many scenarios the most cost-effective charging strategy, with the primary exceptions being highly energy-demanding scenarios with long distances and heavy goods in which the required battery is too heavy to operate the truck within vehicle weight regulations if not complemented by destination, or en route charging. However, many experiments do not lead to a reduced payload capacity for BETs and AETs compared to ICETs, and a large majority of the considered scenarios are feasible to operate with a BET or AET within current gross vehicle weight regulations.
电池电动卡车(BETs)最近的发展表明,它们可以在向零排放道路货运过渡方面发挥重要作用。为了促进这一过渡,必须了解在哪些条件下电池电动卡车可以替代内燃机卡车(ICET)。与此同时,自动驾驶技术的发展为分析未来零排放卡车(如自动驾驶电动卡车(AET))的成本竞争力增加了不确定性和复杂性。本研究探讨了 BET 和 AET 与 ICET 相比的成本表现,以及在不同的市场和技术条件、充电策略和运输应用下的差异。研究重点是在瑞典运营满载穿梭运输的重型牵引拖车。由于所分析的因素之间存在固有的不确定性和相互作用,因此使用 BET、AET 和 ICET 穿梭车流运营及相关成本的仿真模型,以计算实验的形式进行分析。通过对模型中的 1200 个场景进行取样,共进行了 19200 次实验,这些场景代表了不同的运输应用和技术经济条件,涉及 16 种收费策略,包括车厂、目的地和途中收费的不同组合。结果表明,在大部分情况下,BET 和 AET 与 ICET 相比都具有成本竞争力。高资产利用率对于抵消车辆和充电器的额外投资成本非常重要,这凸显了在能够实现高生产率的应用中部署这些车辆的重要性。BET 的成本表现主要受能源相关成本、充电策略和充电基础设施利用率的影响。此外,自动驾驶汽车的成本性能还受到远程运营成本和自动驾驶系统成本的严重影响。在许多情况下,如果可行,仅依靠车厂充电是最具成本效益的充电策略,但长距离和重型货物的高能耗情况除外,在这些情况下,如果不辅以目的地或途中充电,所需的电池太重,卡车无法在车辆重量规定范围内运行。然而,许多实验并没有导致 BET 和 AET 的有效载荷能力低于 ICET,而且所考虑的绝大多数情况下,在现行车辆总重规定范围内使用 BET 或 AET 是可行的。
{"title":"Exploring cost performance tradeoffs and uncertainties for electric- and autonomous electric trucks using computational experiments","authors":"Albin Engholm, Andreas Allström, Mehdi Akbarian","doi":"10.1186/s12544-024-00662-0","DOIUrl":"https://doi.org/10.1186/s12544-024-00662-0","url":null,"abstract":"The recent development of battery electric trucks (BETs) suggests that they could play a vital role in transitioning to zero-emission road freight. To facilitate this transition, it is important to understand under which conditions BETs can be a viable alternative to internal combustion engine trucks (ICETs). Concurrently, the advancement of autonomous driving technology adds uncertainty and complexity to analyzing how the cost competitiveness of future zero-emissions trucks, such as autonomous electric trucks (AETs) may develop. This study examines the cost performance of BETs and AETs compared to ICETs, and how it varies over different market and technology conditions, charging strategies, and transport applications. Focus is on heavy-duty tractor-trailer trucks operating full truckload shuttle-flows in Sweden. Due to the inherent uncertainty and interactions among the analyzed factors, the analysis is performed as computational experiments using a simulation model of BET, AET, and ICET shuttle flow operations and associated costs. In total, 19,200 experiments are performed by sampling the model across 1200 scenarios representing various transport applications and technical and economic conditions for sixteen charging strategies with different combinations of depot, destination, and en route charging. The results indicate that both BETs and AETs are cost competitive compared to ICETs in a large share of scenarios. High asset utilization is important for offsetting additional investment costs in vehicles and chargers, highlighting the importance of deploying these vehicles in applications that enable high productivity. The cost performance for BETs is primarily influenced by energy related costs, charging strategy, and charging infrastructure utilization. The AET cost performance is in addition heavily affected by remote operations cost, and costs for the automated driving system. When feasible, relying only on depot charging is in many scenarios the most cost-effective charging strategy, with the primary exceptions being highly energy-demanding scenarios with long distances and heavy goods in which the required battery is too heavy to operate the truck within vehicle weight regulations if not complemented by destination, or en route charging. However, many experiments do not lead to a reduced payload capacity for BETs and AETs compared to ICETs, and a large majority of the considered scenarios are feasible to operate with a BET or AET within current gross vehicle weight regulations.","PeriodicalId":12079,"journal":{"name":"European Transport Research Review","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141575706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Unfolding the dynamics of driving behavior: a machine learning analysis from Germany and Belgium 驾驶行为动态分析:来自德国和比利时的机器学习分析
IF 4.3 3区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-07-01 DOI: 10.1186/s12544-024-00655-z
Stella Roussou, Eva Michelaraki, Christos Katrakazas, Amir Pooyan Afghari, Christelle Al Haddad, Md Rakibul Alam, Constantinos Antoniou, Eleonora Papadimitriou, Tom Brijs, George Yannis
The i-DREAMS project focuses on establishing a framework known as the ‘Safety Tolerance Zone (STZ)’ to ensure drivers operate within safe boundaries. This study compares Long-Short-Term-Memory Networks and shallow Neural Networks to assess participants’ safety levels during i-DREAMS on-road trials. Thirty German drivers’ trips and Forty-Three Belgian drivers were analyzed using these methods, revealing factors contributing to risky behavior. Results indicate i-DREAMS interventions significantly enhance driving behavior, with Neural Networks displaying superior performance among the algorithms considered.
i-DREAMS 项目的重点是建立一个名为 "安全容忍区 (STZ)" 的框架,以确保驾驶员在安全范围内操作。本研究比较了长期短期记忆网络和浅层神经网络,以评估参与者在 i-DREAMS 道路试验中的安全水平。使用这些方法对 30 名德国驾驶员和 43 名比利时驾驶员的行程进行了分析,揭示了导致危险行为的因素。结果表明,i-DREAMS 干预措施能显著改善驾驶行为,其中神经网络在所考虑的算法中表现出色。
{"title":"Unfolding the dynamics of driving behavior: a machine learning analysis from Germany and Belgium","authors":"Stella Roussou, Eva Michelaraki, Christos Katrakazas, Amir Pooyan Afghari, Christelle Al Haddad, Md Rakibul Alam, Constantinos Antoniou, Eleonora Papadimitriou, Tom Brijs, George Yannis","doi":"10.1186/s12544-024-00655-z","DOIUrl":"https://doi.org/10.1186/s12544-024-00655-z","url":null,"abstract":"The i-DREAMS project focuses on establishing a framework known as the ‘Safety Tolerance Zone (STZ)’ to ensure drivers operate within safe boundaries. This study compares Long-Short-Term-Memory Networks and shallow Neural Networks to assess participants’ safety levels during i-DREAMS on-road trials. Thirty German drivers’ trips and Forty-Three Belgian drivers were analyzed using these methods, revealing factors contributing to risky behavior. Results indicate i-DREAMS interventions significantly enhance driving behavior, with Neural Networks displaying superior performance among the algorithms considered.","PeriodicalId":12079,"journal":{"name":"European Transport Research Review","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141505009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Impact analysis of Advanced Driver Assistance Systems (ADAS) regarding road safety – computing reduction potentials 高级驾驶辅助系统(ADAS)对道路安全的影响分析--计算减少的潜力
IF 4.3 3区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-06-27 DOI: 10.1186/s12544-024-00654-0
Michael Aleksa, Andrea Schaub, Isabela Erdelean, Stephan Wittmann, Aggelos Soteropoulos, Alexander Fürdös
In the present study road safety impact analysis for certain advanced driver assistance systems (ADAS) was conducted. Based on a literature review, expert interviews and current adaptations in legislation, the most promising nine ADAS were selected. The impact was analysed based on statistical crash data from Austria. Factors such as infrastructure and weather conditions, market penetration, expected functionality of sensors, user acceptance and risk homeostasis were considered. A software tool was developed to calculate the crash reduction potential of the selected ADAS for the scenarios 2025, 2030 and 2040. The results show that the ADAS related to warning/braking have the greatest future reduction potential and could lead to a reduction of up to 8,700 crashes and 70 fatalities in Austria in 2040. In addition, the Intelligent Speed Assistance system would lead to an overall crash reduction of 8% compared to current crash numbers in Austria in 2040. The Turning Assistant for heavy goods vehicles shows the lowest reduction in crashes and casualties, but due to the highest severity per crash (93 fatalities per 1,000 crashes), it nevertheless provides an important contribution to the reduction of fatalities in road traffic. However, to benefit from the ADAS safety potential, it is highly relevant that these systems are used in a correct manner. In the future, it will be necessary to provide users with more information on the correct use, benefits and limitations of the respective ADAS and to integrate the use of these systems into driver education procedures and tests.
本研究对某些高级驾驶辅助系统(ADAS)进行了道路安全影响分析。根据文献综述、专家访谈和当前的立法调整,选出了最有前途的九种 ADAS。根据奥地利的车祸统计数据对其影响进行了分析。考虑了基础设施和天气条件、市场渗透率、传感器的预期功能、用户接受度和风险平衡等因素。我们开发了一个软件工具,用于计算在 2025、2030 和 2040 年的情况下,所选 ADAS 减少碰撞事故的潜力。结果表明,与警告/制动相关的 ADAS 在未来具有最大的减少碰撞事故的潜力,到 2040 年可在奥地利减少多达 8700 起碰撞事故和 70 起死亡事故。此外,与奥地利目前的车祸数量相比,智能车速辅助系统将在 2040 年使车祸总数减少 8%。重型载货汽车的转弯辅助系统所减少的碰撞事故和伤亡人数最少,但由于每次碰撞事故的严重程度最高(每 1,000 次碰撞事故中有 93 人死亡),该系统对减少道路交通死亡人数做出了重要贡献。然而,要从 ADAS 的安全潜力中获益,正确使用这些系统至关重要。今后,有必要向用户提供更多关于正确使用、各 ADAS 系统的优点和局限性的信息,并将这些系统的使用纳入驾驶员教育程序和测试中。
{"title":"Impact analysis of Advanced Driver Assistance Systems (ADAS) regarding road safety – computing reduction potentials","authors":"Michael Aleksa, Andrea Schaub, Isabela Erdelean, Stephan Wittmann, Aggelos Soteropoulos, Alexander Fürdös","doi":"10.1186/s12544-024-00654-0","DOIUrl":"https://doi.org/10.1186/s12544-024-00654-0","url":null,"abstract":"In the present study road safety impact analysis for certain advanced driver assistance systems (ADAS) was conducted. Based on a literature review, expert interviews and current adaptations in legislation, the most promising nine ADAS were selected. The impact was analysed based on statistical crash data from Austria. Factors such as infrastructure and weather conditions, market penetration, expected functionality of sensors, user acceptance and risk homeostasis were considered. A software tool was developed to calculate the crash reduction potential of the selected ADAS for the scenarios 2025, 2030 and 2040. The results show that the ADAS related to warning/braking have the greatest future reduction potential and could lead to a reduction of up to 8,700 crashes and 70 fatalities in Austria in 2040. In addition, the Intelligent Speed Assistance system would lead to an overall crash reduction of 8% compared to current crash numbers in Austria in 2040. The Turning Assistant for heavy goods vehicles shows the lowest reduction in crashes and casualties, but due to the highest severity per crash (93 fatalities per 1,000 crashes), it nevertheless provides an important contribution to the reduction of fatalities in road traffic. However, to benefit from the ADAS safety potential, it is highly relevant that these systems are used in a correct manner. In the future, it will be necessary to provide users with more information on the correct use, benefits and limitations of the respective ADAS and to integrate the use of these systems into driver education procedures and tests.","PeriodicalId":12079,"journal":{"name":"European Transport Research Review","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141505010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Assessing automated air-taxis for urban mobility 评估用于城市交通的自动空中出租车
IF 4.3 3区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-06-27 DOI: 10.1186/s12544-024-00658-w
Bin Hu, Georg Brandstätter, Johannes Müller, Patrick Stern, Alexander Schaffenberger, Arno Fallast, Samuel Lesak, Dieter Meinhard
This paper explores the feasibility and potential implications of automated air-taxis as a new mode of urban transport. By applying flight simulation and operations research, we investigate different questions regarding travel time, travel costs, and transport sustainability. As practical application, we consider the transportation service between the city and the airport, as well as on-demand air-taxi services within the city of Vienna. We compare the air-taxis with gasoline taxis and e-taxis, as they serve analogous transportation needs and cater to a similar clientele. In our effort to assess the feasibility of air-taxis, we aim to answer crucial questions that will influence the future of urban transportation. Our study examines how efficient air-taxis are in reducing travel time and explores their cost dynamics, addressing the affordability for passengers and their value of travel time savings. Additionally, we investigate their environmental impact by looking into energy consumption and CO2 emissions. Through a rigorous analysis of empirical data and simulation outcomes, we aim to provide a comprehensive perspective that informs policy decisions and guides the evolution of urban transportation networks in the years to come.
本文探讨了自动空中出租车作为一种新型城市交通模式的可行性和潜在影响。通过应用飞行模拟和运营研究,我们研究了有关旅行时间、旅行成本和运输可持续性的不同问题。在实际应用中,我们考虑了城市与机场之间的交通服务,以及维也纳市内的按需空中出租车服务。我们将空中出租车与汽油出租车和电子出租车进行了比较,因为它们服务于类似的交通需求,并满足类似的客户群。在评估空中出租车可行性的过程中,我们旨在回答影响未来城市交通的关键问题。我们的研究考察了空中出租车在缩短旅行时间方面的效率,并探讨了其成本动态,解决了乘客的经济承受能力及其节省旅行时间的价值。此外,我们还通过能源消耗和二氧化碳排放来研究其对环境的影响。通过对经验数据和模拟结果的严格分析,我们旨在提供一个全面的视角,为政策决策提供依据,并为未来城市交通网络的发展提供指导。
{"title":"Assessing automated air-taxis for urban mobility","authors":"Bin Hu, Georg Brandstätter, Johannes Müller, Patrick Stern, Alexander Schaffenberger, Arno Fallast, Samuel Lesak, Dieter Meinhard","doi":"10.1186/s12544-024-00658-w","DOIUrl":"https://doi.org/10.1186/s12544-024-00658-w","url":null,"abstract":"This paper explores the feasibility and potential implications of automated air-taxis as a new mode of urban transport. By applying flight simulation and operations research, we investigate different questions regarding travel time, travel costs, and transport sustainability. As practical application, we consider the transportation service between the city and the airport, as well as on-demand air-taxi services within the city of Vienna. We compare the air-taxis with gasoline taxis and e-taxis, as they serve analogous transportation needs and cater to a similar clientele. In our effort to assess the feasibility of air-taxis, we aim to answer crucial questions that will influence the future of urban transportation. Our study examines how efficient air-taxis are in reducing travel time and explores their cost dynamics, addressing the affordability for passengers and their value of travel time savings. Additionally, we investigate their environmental impact by looking into energy consumption and CO2 emissions. Through a rigorous analysis of empirical data and simulation outcomes, we aim to provide a comprehensive perspective that informs policy decisions and guides the evolution of urban transportation networks in the years to come.","PeriodicalId":12079,"journal":{"name":"European Transport Research Review","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141520073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Safety evaluation via conflict classification during automated shuttle bus service operations 通过自动穿梭巴士运营期间的冲突分类进行安全评估
IF 4.3 3区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-06-27 DOI: 10.1186/s12544-024-00653-1
Apostolos Ziakopoulos, Maria G. Oikonomou, Marios Sekadakis, George Yannis
The widespread adoption of Connected and Automated Vehicles (CAVs) is being propelled, not only in the realm of private vehicles but also within transit systems. This development serves to enhance urban transport activities, rendering transportation more appealing to passengers. The present study aims to identify and examine the safety effects of testing different operational speed shuttle bus services in various future mobility conditions. To investigate impacts of autonomous shuttle bus services and to further examine their operational speed, the microscopic simulation method was performed. Specifically, four sets of simulation scenarios were comprised: a baseline scenario representing the current conditions and three operational speed scenarios (15 km/h, 30 km/h and 45 km/h) for an autonomous shuttle service. Each one of these sets included eleven CAV market penetration rates (MPRs) of CAVs of the general traffic (ranging from 0 to 100% in 10% increments). By analyzing the trajectory data extracted from microsimulation, traffic conflicts were identified and further analyzed by developing Mixed-Effects Multinomial Logit Regression models (ME-MLMs) in order to associate conflict type taking into account network characteristics as well as traffic conditions. Several aspects were determined as statistical significant parameters influencing type of conflict. The analysis yielded several significant findings that provide quantitative measurements and assessments of the effects observed, enabling a better understanding of the safety implications associated with the widespread adoption of automated services.
互联与自动驾驶汽车(CAV)的广泛应用不仅在私家车领域,在公交系统中也得到了推动。这一发展有助于加强城市交通活动,使交通对乘客更具吸引力。本研究旨在确定和研究在各种未来交通条件下测试不同运行速度的穿梭巴士服务对安全的影响。为了研究自主穿梭巴士服务的影响,并进一步考察其运行速度,本研究采用了微观模拟方法。具体来说,模拟场景包括四组:代表当前条件的基线场景和自主穿梭巴士服务的三种运行速度场景(15 公里/小时、30 公里/小时和 45 公里/小时)。每组情景都包括 11 个 CAV 在一般交通中的市场渗透率(MPR)(从 0 到 100%,每 10%递增)。通过分析从微观模拟中提取的轨迹数据,确定了交通冲突,并通过建立混合效应多项式对数回归模型(ME-MLMs)进行进一步分析,以便将冲突类型与网络特征和交通状况联系起来。有几个方面被确定为影响冲突类型的重要统计参数。分析得出了若干重要结论,对所观察到的影响进行了量化测量和评估,使人们能够更好地理解广泛采用自动驾驶服务对安全的影响。
{"title":"Safety evaluation via conflict classification during automated shuttle bus service operations","authors":"Apostolos Ziakopoulos, Maria G. Oikonomou, Marios Sekadakis, George Yannis","doi":"10.1186/s12544-024-00653-1","DOIUrl":"https://doi.org/10.1186/s12544-024-00653-1","url":null,"abstract":"The widespread adoption of Connected and Automated Vehicles (CAVs) is being propelled, not only in the realm of private vehicles but also within transit systems. This development serves to enhance urban transport activities, rendering transportation more appealing to passengers. The present study aims to identify and examine the safety effects of testing different operational speed shuttle bus services in various future mobility conditions. To investigate impacts of autonomous shuttle bus services and to further examine their operational speed, the microscopic simulation method was performed. Specifically, four sets of simulation scenarios were comprised: a baseline scenario representing the current conditions and three operational speed scenarios (15 km/h, 30 km/h and 45 km/h) for an autonomous shuttle service. Each one of these sets included eleven CAV market penetration rates (MPRs) of CAVs of the general traffic (ranging from 0 to 100% in 10% increments). By analyzing the trajectory data extracted from microsimulation, traffic conflicts were identified and further analyzed by developing Mixed-Effects Multinomial Logit Regression models (ME-MLMs) in order to associate conflict type taking into account network characteristics as well as traffic conditions. Several aspects were determined as statistical significant parameters influencing type of conflict. The analysis yielded several significant findings that provide quantitative measurements and assessments of the effects observed, enabling a better understanding of the safety implications associated with the widespread adoption of automated services.","PeriodicalId":12079,"journal":{"name":"European Transport Research Review","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141505011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Good practices on transit operation design: bus drivers’ perspective 公交运营设计的良好做法:巴士司机的观点
IF 4.3 3区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-06-20 DOI: 10.1186/s12544-024-00661-1
Rubén Cordera, Margarita Novales, Alfonso Orro, Borja Alonso, Luigi dell’Olio
Understanding which aspects can have the greatest influence on the performance, comfort and safety of a public transport system can be of great help in improving its operation and promoting more sustainable mobility. To find out more about these aspects, a survey was carried out among more than 180 drivers of urban bus transport systems in seven medium-sized cities in Spain. The drivers' perspective has been insufficiently taken into account in previous research, despite the fact that these workers have a high and direct knowledge of the operation and problems directly affecting the service. The data collected through this survey have been analysed using descriptive statistics and an Ordered Probit model. The results have allowed us to detect specific aspects to improve the performance and comfort of users and drivers such as the correct location and length of bus stops and enforcing regulation to ensure that buses have priority in traffic and that illegal parking does not interfere with their operations. In addition, bus lanes were seen as important by drivers to improve the comfort and safety of the service. Other factors related to safety were generally highly rated and there was little dispersion in the responses about their importance, although aspects such as proper visibility, avoiding illegal parking, and campaigns to encourage bus users to be aware of their surroundings stood out in the answers. Finally, the payment system was highlighted as very relevant to ensure the performance and comfort of users and drivers during the operation at bus stops. Improving this system was identified as the measure that could have the greatest impact on the performance of the service as a whole.
了解哪些方面对公共交通系统的性能、舒适性和安全性影响最大,对改善其运营和促进更可持续的交通方式大有帮助。为了进一步了解这些方面,我们对西班牙七个中等城市的 180 多名城市公交车司机进行了调查。在以往的研究中,驾驶员的观点没有得到充分考虑,尽管这些工作人员对运营情况和直接影响服务的问题有着高度和直接的了解。我们使用描述性统计和有序 Probit 模型对本次调查收集到的数据进行了分析。调查结果使我们能够发现一些具体方面,以改善公交车的运行状况,提高乘客和司机的舒适度,如公交车站的正确位置和长度,执行相关规定以确保公交车在交通中享有优先权,以及非法停车不会影响公交车的运行。此外,司机认为公交车专用道对于提高服务的舒适性和安全性也很重要。与安全有关的其他因素普遍得到了很高的评价,对这些因素的重要性的回答几乎没有什么分歧,但诸如适当的能见度、避免非法停车以及鼓励公交车使用者注意周围环境的宣传活动等方面在回答中非常突出。最后,支付系统被强调为与确保用户和司机在巴士站运营期间的表现和舒适度非常相关。改进这一系统被认为是对整个服务表现影响最大的措施。
{"title":"Good practices on transit operation design: bus drivers’ perspective","authors":"Rubén Cordera, Margarita Novales, Alfonso Orro, Borja Alonso, Luigi dell’Olio","doi":"10.1186/s12544-024-00661-1","DOIUrl":"https://doi.org/10.1186/s12544-024-00661-1","url":null,"abstract":"Understanding which aspects can have the greatest influence on the performance, comfort and safety of a public transport system can be of great help in improving its operation and promoting more sustainable mobility. To find out more about these aspects, a survey was carried out among more than 180 drivers of urban bus transport systems in seven medium-sized cities in Spain. The drivers' perspective has been insufficiently taken into account in previous research, despite the fact that these workers have a high and direct knowledge of the operation and problems directly affecting the service. The data collected through this survey have been analysed using descriptive statistics and an Ordered Probit model. The results have allowed us to detect specific aspects to improve the performance and comfort of users and drivers such as the correct location and length of bus stops and enforcing regulation to ensure that buses have priority in traffic and that illegal parking does not interfere with their operations. In addition, bus lanes were seen as important by drivers to improve the comfort and safety of the service. Other factors related to safety were generally highly rated and there was little dispersion in the responses about their importance, although aspects such as proper visibility, avoiding illegal parking, and campaigns to encourage bus users to be aware of their surroundings stood out in the answers. Finally, the payment system was highlighted as very relevant to ensure the performance and comfort of users and drivers during the operation at bus stops. Improving this system was identified as the measure that could have the greatest impact on the performance of the service as a whole.","PeriodicalId":12079,"journal":{"name":"European Transport Research Review","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141505067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Exploring the determinants of autonomous minibus adoption: empirical findings from a demand-based service in Germany 探索采用自主小巴的决定因素:德国基于需求服务的实证研究结果
IF 4.3 3区 工程技术 Q1 TRANSPORTATION Pub Date : 2024-06-19 DOI: 10.1186/s12544-024-00659-9
Lukas Barthelmes, Gabriel Wilkes, Martin Kagerbauer, Peter Vortisch
Autonomous on-demand services as part of public transport are discussed to improve public transport substantially. A household survey in Karlsruhe, Germany, was conducted among inhabitants of a residential area where a combined autonomous and on-demand minibus service with automation level 4 was offered. The study investigates the residents’ appraisal of this service and reasons for using and not using it. Results indicate that people generally have a positive attitude towards it and are willing to use it in the future. Difficulties are found in travel speed, availability, and complexity of using such a new service. Favorable factors in the intention to use the service are having a mobility impairment, being open to other forms of new mobility, and not having a car in the household. In the future, to be successful, such services should improve travel times and reliability and address issues of their primary target group, such as the high complexity of accessing these services.
作为公共交通的一部分,自主按需服务被讨论用于大幅改善公共交通。在德国卡尔斯鲁厄的一个住宅区,对居民进行了一项家庭调查,该住宅区提供自动化程度为 4 级的自主和按需相结合的小巴服务。研究调查了居民对这项服务的评价,以及使用和不使用这项服务的原因。结果表明,人们普遍对该服务持积极态度,并愿意在未来使用该服务。使用这种新服务的困难在于出行速度、可用性和复杂性。影响人们使用该服务意愿的有利因素包括行动不便、对其他形式的新交通方式持开放态度以及家中没有汽车。未来,此类服务要想取得成功,就应改善出行时间和可靠性,并解决其主要目标群体的问题,如使用这些服务的高复杂性。
{"title":"Exploring the determinants of autonomous minibus adoption: empirical findings from a demand-based service in Germany","authors":"Lukas Barthelmes, Gabriel Wilkes, Martin Kagerbauer, Peter Vortisch","doi":"10.1186/s12544-024-00659-9","DOIUrl":"https://doi.org/10.1186/s12544-024-00659-9","url":null,"abstract":"Autonomous on-demand services as part of public transport are discussed to improve public transport substantially. A household survey in Karlsruhe, Germany, was conducted among inhabitants of a residential area where a combined autonomous and on-demand minibus service with automation level 4 was offered. The study investigates the residents’ appraisal of this service and reasons for using and not using it. Results indicate that people generally have a positive attitude towards it and are willing to use it in the future. Difficulties are found in travel speed, availability, and complexity of using such a new service. Favorable factors in the intention to use the service are having a mobility impairment, being open to other forms of new mobility, and not having a car in the household. In the future, to be successful, such services should improve travel times and reliability and address issues of their primary target group, such as the high complexity of accessing these services.","PeriodicalId":12079,"journal":{"name":"European Transport Research Review","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141505068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Differentiated impact of low-exhaust-emission vehicles on NO$$_text {2}$$ and particle concentrations in the Paris region 低尾气排放车辆对巴黎地区氮氧化物和颗粒物浓度的不同影响
IF 4.3 3区 工程技术 Q1 Engineering Pub Date : 2024-06-07 DOI: 10.1186/s12544-024-00660-2
Thibaud Sarica, Christophe Chaillou, Y. Roustan, Clément Larrieu, Salah-Eddine Wali, Karine Sartelet
{"title":"Differentiated impact of low-exhaust-emission vehicles on NO$$_text {2}$$ and particle concentrations in the Paris region","authors":"Thibaud Sarica, Christophe Chaillou, Y. Roustan, Clément Larrieu, Salah-Eddine Wali, Karine Sartelet","doi":"10.1186/s12544-024-00660-2","DOIUrl":"https://doi.org/10.1186/s12544-024-00660-2","url":null,"abstract":"","PeriodicalId":12079,"journal":{"name":"European Transport Research Review","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141372533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Projecting traffic flows for road-based passenger transport in Europe for the analysis of climate impact 预测欧洲公路客运交通流量以分析气候影响
IF 4.3 3区 工程技术 Q1 Engineering Pub Date : 2024-06-05 DOI: 10.1186/s12544-024-00652-2
Nina Thomsen, Angelika Schulz
Road-based transport is a significant contributor to global transport emissions of greenhouse gases and local pollutants, thus contributing to the environmental impact of the mobility of people and goods. In order to develop strategies to mitigate this impact, it is necessary to build reliable emission inventories that include sector-specific emissions. Furthermore, the methods for creating these inventories should be applicable for forecasts and scenario calculations to facilitate the evaluation of pathways towards a more sustainable transport system. The study at hand proposes a model-based framework to predict travel demand and its spatial distribution for a bottom-up calculation of road transport emissions in Europe. With this framework, it is possible to calculate emissions based on the road network structure, traffic flows and vehicle types. In order to demonstrate the applicability of the framework for scenario calculations, it is applied to three exemplary scenarios where population data is modified. With the developed methodology, a tool for the large-scale assessment of emissions from road transport is provided, which is able to simulate the impact of socio-economic and economic changes on these emissions.
公路运输是全球运输中温室气体和本地污染物排放的重要来源,从而加剧了人员和货物流动对环境的影响。为了制定减轻这种影响的战略,有必要建立可靠的排放清单,其中包括具体部门的排放量。此外,建立这些清单的方法应适用于预测和情景计算,以便于评估实现更可持续交通系统的途径。本研究提出了一个基于模型的框架,用于预测出行需求及其空间分布,以自下而上地计算欧洲道路交通的排放量。有了这个框架,就可以根据道路网络结构、交通流量和车辆类型计算排放量。为了证明该框架在情景计算中的适用性,我们将其应用于三个修改了人口数据的示例情景。通过所开发的方法,提供了一种大规模评估道路交通排放的工具,能够模拟社会经济和经济变化对这些排放的影响。
{"title":"Projecting traffic flows for road-based passenger transport in Europe for the analysis of climate impact","authors":"Nina Thomsen, Angelika Schulz","doi":"10.1186/s12544-024-00652-2","DOIUrl":"https://doi.org/10.1186/s12544-024-00652-2","url":null,"abstract":"Road-based transport is a significant contributor to global transport emissions of greenhouse gases and local pollutants, thus contributing to the environmental impact of the mobility of people and goods. In order to develop strategies to mitigate this impact, it is necessary to build reliable emission inventories that include sector-specific emissions. Furthermore, the methods for creating these inventories should be applicable for forecasts and scenario calculations to facilitate the evaluation of pathways towards a more sustainable transport system. The study at hand proposes a model-based framework to predict travel demand and its spatial distribution for a bottom-up calculation of road transport emissions in Europe. With this framework, it is possible to calculate emissions based on the road network structure, traffic flows and vehicle types. In order to demonstrate the applicability of the framework for scenario calculations, it is applied to three exemplary scenarios where population data is modified. With the developed methodology, a tool for the large-scale assessment of emissions from road transport is provided, which is able to simulate the impact of socio-economic and economic changes on these emissions.","PeriodicalId":12079,"journal":{"name":"European Transport Research Review","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141256155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
期刊
European Transport Research Review
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1