Transport Policy最新文献

{"title":"Evaluating parking load in geofenced bike-sharing systems: A case study of Xiamen Island","authors":"Xuxilu Zhang ,&nbsp;Lingqi Gu ,&nbsp;Francesc Soriguera ,&nbsp;Nan Zhao","doi":"10.1016/j.tranpol.2025.07.008","DOIUrl":"10.1016/j.tranpol.2025.07.008","url":null,"abstract":"<div><div>Geofenced bike-sharing systems (GFBSSs) offer flexibility and user convenience but face challenges from imbalances between Points of Interest (POI) distributions, parking capacity, and demand, resulting in varying degrees of parking pressure. This study uses the Parking Load Index (<span><math><mrow><mi>P</mi><mi>L</mi><mi>I</mi></mrow></math></span>), a metric to assess parking load and identify spatial–temporal imbalances. Utilizing multi-source data and spatiotemporal analysis, 134 overloaded parking fences on Xiamen Island were identified and classified into three distinct types during morning peak hours, each with unique characteristics. Finally, tailored strategies such as dynamic parking allocation, demand-responsive policies, and infrastructure improvements are proposed to address the challenges related to parking capacity. The paper aims to improve parking efficiency and enhance user experience, offering valuable insights to optimize bike-sharing systems within rapidly evolving urban transportation networks.</div></div>","PeriodicalId":48378,"journal":{"name":"Transport Policy","volume":"171 ","pages":"Pages 838-852"},"PeriodicalIF":6.3,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144663524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Unraveling policy effects on airline networks in China: A temporal exponential random graph framework for slot control and route entry restrictions","authors":"Yue Hu ,&nbsp;Liang Dai ,&nbsp;Kurt Fuellhart ,&nbsp;Frank Witlox","doi":"10.1016/j.tranpol.2025.07.017","DOIUrl":"10.1016/j.tranpol.2025.07.017","url":null,"abstract":"<div><div>Although extensive research has examined the impact of deregulation on the air transport market, relatively few studies have investigated how to advance further liberalization in markets still shaped by legacy regulatory policies. This study addresses that gap by focusing on China's domestic air transport market. Using a temporal exponential random graph model framework, we analyze the effects of regulatory policies on the evolution of airline networks. By incorporating both endogenous and exogenous effects, we analyze the differentiated impact of slot control policies and route entry restrictions across different types of carriers. Results show that slot control policies influence network development for all carrier categories, whereas route entry restrictions primarily constrain the network expansion of <em>Network-expansion</em> carriers. Moreover, these carriers encounter greater challenges when attempting to access slot-controlled airports than when navigating route entry barriers. The study concludes with policy recommendations to reduce these barriers to support more equitable and efficient network growth.</div></div>","PeriodicalId":48378,"journal":{"name":"Transport Policy","volume":"171 ","pages":"Pages 882-895"},"PeriodicalIF":6.3,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144678871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Monitoring and evaluation of travel behaviour change in mobility-as-a-service (MaaS) trials: Insights from a longitudinal study","authors":"Nazam Ali ,&nbsp;Seda Sucu Sagmanli ,&nbsp;Djamila Ouelhadj ,&nbsp;Nima Dadashzadeh ,&nbsp;Lee Woods ,&nbsp;Graham Fletcher","doi":"10.1016/j.tranpol.2025.07.020","DOIUrl":"10.1016/j.tranpol.2025.07.020","url":null,"abstract":"<div><div>Travel behaviour change towards more sustainable modes of transport is required to achieve environmental sustainability. Mobility as a Service (MaaS) trials have been implemented in various cities over the past decade to reduce private car usage, and promote sustainability. Monitoring and evaluation (M&amp;E) is a key component in developing MaaS trials, as it enables a comprehensive understanding and analysis of the MaaS's impact on modal shift. Although the insights from various MaaS trials have been explored in the literature, studies on the travel behaviour change M&amp;E of these trials with longitudinal approaches were lacking. This paper proposes a M&amp;E approach employing the Differences-in-Differences (DiD) method and incorporating three Key Performance Indicators (KPIs), to monitor and evaluate the travel behaviour change after the launch of the MaaS app. It uses longitudinal (baseline and recall) data to analyse the impact of MaaS on travel behaviour change for its users compared to non-users. The application of the proposed DiD-based M&amp;E framework has been tested and validated on a real-world MaaS project with 887 MaaS users and 757 non-MaaS users. The results suggest that the private car use is reduced while public transport use increased for MaaS users, while for the non-MaaS users, the private car use is increased and public transport is decreased. Moreover, the DiD analysis showed that the impact of MaaS on the decrease in the private car and increase in public transport use is statistically significant. These findings and insights guide policymakers and transport practitioners in appraising the effectiveness of new MaaS systems, especially in car-dependent regions in the world.</div></div>","PeriodicalId":48378,"journal":{"name":"Transport Policy","volume":"171 ","pages":"Pages 996-1011"},"PeriodicalIF":6.3,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144702970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Associations of proximity to metro stations with transport poverty: Spatial and temporal variations","authors":"Yun-Tuan Chang ,&nbsp;Jen-Jia Lin","doi":"10.1016/j.tranpol.2025.07.024","DOIUrl":"10.1016/j.tranpol.2025.07.024","url":null,"abstract":"<div><div>This work explores the associations of proximity to metro stations with transport poverty and their spatial and temporal variations. The study's observations are from the 1488 neighborhoods in the Taipei Metropolitan Area, Taiwan, covering data from 1996 to 2016. A transport poverty index, defined as the disparity between the economic deprivation index and the job accessibility index, is proposed to measure the transport poverty degree of a neighborhood. Panel data and linear regression models are applied to analyze the data. The results indicate the following: (1) Distance to metro stations is positively associated with the degree of transport poverty within the specific distance thresholds. (2) The positive relationships move downward as a whole over time with the increase in the number of metro stations. (3) The overall downward moves of positive relationships are decreasing with distances to metro stations in the short term but are increasing with distances to metro stations in the long term. These findings highlight that, when developing metro networks, local administrations should simultaneously promote accessibility plans in areas distant from metro services and prioritize improvements in transit and motorcycle accessibility.</div></div>","PeriodicalId":48378,"journal":{"name":"Transport Policy","volume":"171 ","pages":"Pages 853-866"},"PeriodicalIF":6.3,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144663525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dependence or preference? Navigating public transit loyalty across heterogeneous levels of transit dependence","authors":"Sina Asgharpour,&nbsp;Sajad Askari,&nbsp;Abolfazl (Kouros) Mohammadian","doi":"10.1016/j.tranpol.2025.07.003","DOIUrl":"10.1016/j.tranpol.2025.07.003","url":null,"abstract":"<div><div>The remarkable decline in transit ridership in recent years, further exacerbated by the COVID-19 pandemic, has compelled transit agencies to enhance rider satisfaction to retain transit users. However, the adoption of general policies may be ineffective due to the heterogeneous nature of user perceptions that shape transit loyalty. Specifically, service quality factors might vary markedly among captive riders and those who prefer to use transit, including choice riders and voluntary riders. In this study, we investigated the transit dependence-based segmentation in the analysis of transit satisfaction and loyalty. Employing survey data from Chicago Transit Authority (CTA) riders collected in 2022, we aimed to: (1) examine the significance of heterogeneity in transit satisfaction and loyalty across captive, choice, and voluntary riders, and (2) assess the implications of overall approach versus dependence-based segmentation approach. We developed a Partial Least Squares Structural Equation Model (PLS-SEM) and conducted Permutation Multi-group Analysis (PMGA) to assess the hypothesized heterogeneity among three rider groups. Additionally, we introduced Importance-Performance Deviation Index (IPDI) to rank the service quality aspects for improvement policies specific to each group. The proposed metric highlights the variations of prioritized factors for improvement across rider groups. Our analysis reveals that while cleanliness is the most unsatisfactory aspect for all rider groups, choice riders exhibit more dissatisfaction with cleanliness. Further, reliability, particularly in terms of waiting times and service arrivals, does not meet voluntary riders’ expectations. Moreover, comfort factors are critically unsatisfactory for captive riders, especially at stations and in-vehicle, compared to other two rider groups. These findings showcase the ramifications of adopting general policies instead of group-specific strategies. The study provides transit agencies with actionable insights to develop informed and targeted retention strategies, ultimately enhancing transit users’ satisfaction and loyalty.</div></div>","PeriodicalId":48378,"journal":{"name":"Transport Policy","volume":"171 ","pages":"Pages 821-837"},"PeriodicalIF":6.3,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144655776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A quantitative spatial model for evaluating transport-induced spatial reorganization","authors":"Tatsuya Sugimoto ,&nbsp;Yuki Takayama ,&nbsp;Akiyoshi Takagi","doi":"10.1016/j.tranpol.2025.07.019","DOIUrl":"10.1016/j.tranpol.2025.07.019","url":null,"abstract":"<div><div>Interregional transport improvements, such as highway and high-speed rail expansions, can significantly affect the spatial distribution of economic activity by enhancing agglomeration economies. Quantitative spatial models (QSMs) are a key tool for evaluating these effects; however, recent theoretical studies have identified a fundamental limitation: widely used QSMs invariably predict that transport cost reductions result in population dispersion rather than agglomeration in metropolitan areas. This prediction contradicts empirical evidence, suggesting that existing models cannot adequately represent transport policies' complex spatial impacts. To address this issue, this study extends a QSM to better incorporate the mechanisms driving economic agglomeration. We incorporate recent theoretical advancements to develop a more generalized QSM that addresses restrictive assumptions that otherwise systematically predict dispersion. We apply our extended model to Japan's highway network improvements, demonstrating that it successfully reflects economic agglomeration trends in major metropolitan areas. Furthermore, we estimate the spatial impacts of emerging autonomous vehicle technologies and truck platooning, finding that these innovations could help form a larger megalopolis centered on Tokyo, Osaka, and Nagoya.</div></div>","PeriodicalId":48378,"journal":{"name":"Transport Policy","volume":"172 ","pages":"Article 103738"},"PeriodicalIF":6.3,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144829675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"How far to allocate feeder transport to metro effectively? An empirical study in Xi'an, China","authors":"Liu Yang ,&nbsp;Tieyue Zhang ,&nbsp;Yuanqing Wang ,&nbsp;Yujun Lian ,&nbsp;Yang Wang ,&nbsp;Yuanyuan Liu ,&nbsp;Heng Zhao ,&nbsp;Yutong Yuan ,&nbsp;Dinghui Zhou","doi":"10.1016/j.tranpol.2025.07.015","DOIUrl":"10.1016/j.tranpol.2025.07.015","url":null,"abstract":"<div><div>Metro construction has encouraged transport emission reductions in the recent decade. Analyzing access/egress distance to station is crucial for transport planning and implementation. In the recent contexts of fast metro construction and advancing information and networking technologies, various feeder transport emerged and access/egress distances to metro extended a lot, but few studies modeled metro mode share variation by access/egress distance. To determine the focus metro catchment area for effective feeder transport allocation, this study explores the threshold range of access/egress distance by walking, biking, bus and park-and-ride. The data comes from a sampling survey of household travel in Xi'an. The results show that, within a 3-km radius of the stations, metro mode shares decrease quickly from 16-23 % to 2–3 %. Beyond this distance, the decreasing rates become quite small. The bus-metro transfer distance can be extended to 6 km in the suburbs. For the effective and economical feeder transport allocation, a 3-km radius of the station is the focus area. The average elasticity of access/egress distance to metro mode share is −0.644 and −1.445, respectively in the central urban area and the suburb, indicating a larger variation compared with the result of −0.29 in North America. The number of parking lots within 50 m of the station is a critical factor for park-and-ride. We recommend providing diverse feeder bus operations and allocating the dedicated and human-oriented walking/cycling lanes within a 3-km radius of the station. In the suburbs, feeder buses can be extended to a longer range, about 6-km radius of the station according to the local demands. We suggest providing park-and-ride facilities within 50 m of the station and simultaneously encouraging shared parking lots. These planning suggestions can promote an efficient access to metro station pattern, optimize urban transport system's performance, and ultimately, obtain the low-carbon and sustainable transport development goal.</div></div>","PeriodicalId":48378,"journal":{"name":"Transport Policy","volume":"171 ","pages":"Pages 867-881"},"PeriodicalIF":6.3,"publicationDate":"2025-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144678870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Examining nonlinear causal relationship between the built environment and VKT using RF–XGBoost","authors":"Faan Chen ,&nbsp;Yilin Zhu ,&nbsp;Chuanpu Cao ,&nbsp;Xinyi Yang ,&nbsp;Xiang Ji ,&nbsp;Mingming Lai ,&nbsp;Waishan Qiu ,&nbsp;Chris P. Nielsen ,&nbsp;Jiaorong Wu ,&nbsp;Xiaohong Chen","doi":"10.1016/j.tranpol.2025.07.012","DOIUrl":"10.1016/j.tranpol.2025.07.012","url":null,"abstract":"<div><div>Although numerous studies examine the association between the built environment and travel behavior, few carry causal explanations. Using the data from a natural experiment in Shanghai, this study examines the nonlinear causal relationship between the built environment and driving behavior (i.e., vehicle kilometers traveled, VKT) using a hybrid machine learning model that integrates Random Forest (RF) and eXtreme Gradient Boosting (XGBoost). Empirical findings show that the built environment dominantly affects VKT, exhibiting a saliently nonlinear pattern with effective range and threshold. The findings equip policymakers and planners with actionable insight and support for formulating sophisticated transportation intervention strategies to mitigate car dependency. Overall, this study effectively addresses the residential self-selection issue while handling the common multicollinearity trouble among the explanatory variables, providing more accurate causal estimates of the built environment's effect on VKT for nuanced evidence-based guidance in policy making and planning practices.</div></div>","PeriodicalId":48378,"journal":{"name":"Transport Policy","volume":"171 ","pages":"Pages 661-681"},"PeriodicalIF":6.3,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144606123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bridging innovation and Adoption: The asymmetric impact of E-mobility technology budgets on electric vehicle growth","authors":"Canghong Wang ,&nbsp;Yuwen Ning ,&nbsp;Tomiwa Sunday Adebayo ,&nbsp;Sajid Ali","doi":"10.1016/j.tranpol.2025.07.011","DOIUrl":"10.1016/j.tranpol.2025.07.011","url":null,"abstract":"<div><div>E-mobility technology budgets are pivotal in advancing electric vehicle adoption by supporting innovation and infrastructure. Higher investments in this sector drive and expedite the global transition to sustainable transportation solutions. The present investigation examines the asymmetric impact of e-mobility technology budgets on electric vehicle stock in ten selected economies having the highest e-mobility R&amp;D expenditures, including China, the United States, France, Japan, Germany, the UK, South Korea, Sweden, the Netherlands, and Norway. Unlike prior investigations that predominantly applied panel data methods and frequently ignored the distinct economic contexts of specific economies, this investigation adopts the refined Quantile-on-Quantile instrument. This methodology allows for examining variables’ changes within every economy individually, augmenting accuracy and providing a more insightful understanding of distinct traits of each economy. The results disclose a significant positive relationship between e-mobility technology budgets and electric vehicle stock in most analyzed countries, demonstrating particular patterns and dynamics. However, the relationship is more complex in Sweden and Norway, showing mixed results. These results draw attention to the significant requirement for policymakers to conduct in-depth evaluations and formulate tailored strategies to address the complicated relationship between e-mobility technology budgets and electric vehicle adoption, aligning with sustainable development goals.</div></div>","PeriodicalId":48378,"journal":{"name":"Transport Policy","volume":"171 ","pages":"Pages 803-820"},"PeriodicalIF":6.3,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144655832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"On the success of visa waiver policies: Post-pandemic evidence from China","authors":"Changhong Zheng,&nbsp;Xiaoqian Sun,&nbsp;Sebastian Wandelt","doi":"10.1016/j.tranpol.2025.06.002","DOIUrl":"10.1016/j.tranpol.2025.06.002","url":null,"abstract":"<div><div>As the global tourism industry continues to outperform pre-pandemic records, understanding the role of regulatory frameworks in facilitating the revival of international travel is of paramount importance to the air transportation and tourism industry. Our research aims to uncover the extent to which visa-free access has accelerated the recovery of inbound travel to China, by utilizing a combination of time-series analysis and difference-in-difference (DiD) techniques. Visa-free policies contribute to average monthly increases in passenger volume/departure counts and decreases in fares from January 2022 to July 2024, which vary by connection level of 2019. Such policies have significant positive impacts on additional recovery rates of passenger volume/departure counts in medium-connection countries/regions compared with those in high-connection ones, with negative affects in low-connection ones. Moreover, single effects of visa-free policies on three indicators in most implemented countries are more significant than corresponding weighted effects. In addition to quantifying the effects of visa-free policies, this research provides novel managerial insights for policymakers and tourism stakeholders, highlighting the potential importance and ramifications of visa liberalization as a strategic tool for stimulating international tourism demand in the post-pandemic era.</div></div>","PeriodicalId":48378,"journal":{"name":"Transport Policy","volume":"171 ","pages":"Pages 753-763"},"PeriodicalIF":6.3,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144632663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}