Journal of Public Transportation最新文献_第3页

Who rides the bus in small cities in the U.S. Midwest? 在美国中西部的小城市，谁乘公共汽车？

IF 2 4区工程技术 Q3 TRANSPORTATION

Journal of Public Transportation

Pub Date : 2025-01-01 DOI: 10.1016/j.jpubtr.2025.100125

Bumsoo Lee , Lindsay M. Braun , Jesus M. Barajas , Amanda Merck , Kyuhyun Lee

Public transit systems in smaller urban areas in the U.S. have encountered pronounced declines in ridership since the mid-2010s, compounded by distinct challenges inherent to their scale and context. Despite this trend, understanding of the unique characteristics and needs of riders within such systems remains limited, as prevailing transit research predominantly focuses on larger metropolitan areas. Addressing this gap, our study examines the characteristics and needs of bus riders across four small urban areas in the U.S. Midwest through an on-board survey and subsequent rider typology analysis. We find that bus riders in these smaller communities are markedly economically disadvantaged compared to those in larger cities; 60 % live in households earning incomes at or below the poverty threshold, and over half lack access to a private vehicle. The low socioeconomic status of small-city transit riders results in a heavy reliance on public transportation, with nearly 90 % of respondents depending exclusively on buses or a mix of buses and active modes for daily travel. Such dependency brings to light the challenges that these individuals face, with more than 40 % experiencing severe disruptions like job loss or restricted access to essential services due to inadequate transportation options. Yet, the pressing need for improved service frequency and speed to increase the efficiency of public transit underscores a critical tension in transit network planning: that between providing frequent service and ensuring extensive coverage.

自2010年代中期以来，美国较小城市地区的公共交通系统的客流量明显下降，其规模和环境所固有的独特挑战使情况更加复杂。尽管有这样的趋势，但对这些系统中乘客的独特特征和需求的理解仍然有限，因为主流的交通研究主要集中在大城市地区。为了解决这一差距，我们的研究通过一项车上调查和随后的乘客类型分析，调查了美国中西部四个小城市地区公交车乘客的特征和需求。我们发现，与大城市相比，这些小社区的公交乘客在经济上明显处于劣势；60% 的人生活在收入处于或低于贫困线的家庭中，超过一半的人没有私家车。小城市公交乘客的低社会经济地位导致了对公共交通的严重依赖，近90% %的受访者完全依赖公共汽车或公共汽车和主动模式的混合日常出行。这种依赖暴露了这些人面临的挑战，超过40% %的人由于交通选择不足而遭受严重的破坏，如失业或限制获得基本服务。然而，迫切需要改善服务频率和速度，以提高公共交通的效率，这突出了交通网络规划中的一个关键紧张关系：提供频繁服务和确保广泛覆盖之间的紧张关系。

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引用次数: 0

Influence of tolerable, perceived, and actual travel time on trip satisfaction among Canadian older adults 加拿大老年人旅行满意度的可忍受、感知和实际旅行时间的影响

IF 2 4区工程技术 Q3 TRANSPORTATION

Journal of Public Transportation

Pub Date : 2025-01-01 DOI: 10.1016/j.jpubtr.2025.100138

Thiago Carvalho, Ahmed El-Geneidy

As older adults cease driving, public transit can support them maintain their independence and remain connected to their communities. This population is particularly sensitive to travel times. While previous research has explored the impact of ideal and perceived travel times on satisfaction, the role of tolerable travel times—representing the maximum acceptable time threshold before satisfaction declines—has been underexplored. Understanding this relationship can provide valuable insight for improving transit experiences and meeting the mobility needs of older adults. To explore this gap, we examine how subjective (perceived and tolerable) and objective (actual) measures of travel time influence trip satisfaction among older adults. To do so, we use data from the 2023 Aging in Place Survey, a Canadian bilingual online survey, focusing on respondents who used transit at least once in the past year from Toronto, Montréal, and Vancouver (N = 731). We asses the impact of these measures of travel time on trip satisfaction through multi-level ordered probit models, accounting for both individual and regional factors. Our findings suggest that older adults are more likely to be satisfied with their trip when perceived travel time aligns with what they consider as tolerable, rather than the actual, objective trip duration. They also reinforce the strong role of previous transit experiences and perceptions on shaping future trip satisfaction. Given the link between satisfaction and continuous transit use, these findings are relevant for practitioners and policymakers seeking to improve public transit experiences for older adults and support their healthy aging.

随着老年人不再开车，公共交通可以帮助他们保持独立，并与社区保持联系。这些人对旅行时间特别敏感。虽然之前的研究已经探讨了理想旅行时间和感知旅行时间对满意度的影响，但可容忍旅行时间（代表满意度下降之前的最大可接受时间阈值）的作用尚未得到充分探讨。了解这种关系可以为改善交通体验和满足老年人的出行需求提供有价值的见解。为了探索这一差距，我们研究了主观（感知和可容忍）和客观（实际）的旅行时间测量如何影响老年人的旅行满意度。为了做到这一点，我们使用了来自2023年老龄化调查的数据，这是一项加拿大双语在线调查，重点关注在过去一年中从多伦多、蒙塔梅和温哥华至少使用过一次交通工具的受访者（N = 731）。我们通过考虑个体和区域因素的多层次有序概率模型来评估这些旅行时间对旅行满意度的影响。我们的研究结果表明，当老年人感知到的旅行时间与他们认为可以忍受的时间一致时，而不是与实际的、客观的旅行时间一致时，他们更有可能对旅行感到满意。它们还强化了以往的交通体验和感知对塑造未来出行满意度的重要作用。考虑到满意度与持续公交使用之间的联系，这些发现对寻求改善老年人公共交通体验并支持其健康老龄化的从业人员和政策制定者具有重要意义。

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引用次数: 0

Benefits from a new transit line: Exploring the impact of rare users and spatially heterogeneous variations in intensity of use 新交通线路的好处：探索罕见用户的影响和使用强度的空间异质性变化

IF 2 4区工程技术 Q3 TRANSPORTATION

Journal of Public Transportation

Pub Date : 2025-01-01 DOI: 10.1016/j.jpubtr.2025.100120

Durba Kundu , Somwrita Sarkar , Emily Moylan

What are the city-wide benefits of introducing a new transit mode? Justification of a new transit mode is often based on claims of transformational change regarding mode share, ridership, or passenger-kilometers travelled (PKT). Detractors argue that these dramatic benefits are not experienced uniformly across populations or places. This paper quantifies the extent and intensity of the change in travel behaviour caused by the addition of a new mode and builds on measures of increased ridership and PKT to explore who is travelling on the new mode and in what ways. Recent advances in smartcard data analysis provide detailed insights into transit ridership but are often temporally limited, restricting the ability to analyse long-term behavioural trends. While research on transit ridership patterns exists, few studies compare users of the old and new modes in terms of spatial distribution and intensity of use. This study relies on a long baseline of data to estimate the home locations of travellers and their intensity of use. Our findings challenge assumptions about infrequent users and reveal that rare users significantly influence ridership patterns. Increased reach of ridership is substantiated based on the appearance of new cards 48 % higher than usual after the light rail introduction. However, only about 4 % of new card IDs make trips at a rate equivalent to a daily commute. The results show strong spatial patterns, with 50 % of frequent light rail riders having inferred home locations at the new stations and 63 % of daily riders not using the bus to access the light rail. This approach suggests that (1) rare users, though they ride less often, have a notable impact on ridership trends; (2) transit-access distances are shorter than conventional assumptions of approximately half-a-mile; and (3) ridership benefits show strong spatial patterns.

引入一种新的交通方式对整个城市有什么好处？一种新的交通方式的正当性通常是基于对模式共享、客流量或乘客公里数（PKT）的转型变革的主张。批评者认为，这些巨大的好处并不是在不同的人群或地区都能享受到的。本文量化了增加一种新模式所引起的出行行为变化的程度和强度，并以增加的乘客量和PKT为基础，探索谁在使用新模式以及以何种方式出行。智能卡数据分析的最新进展提供了对公交乘客的详细见解，但往往是暂时的，限制了分析长期行为趋势的能力。虽然有关于交通出行模式的研究，但很少有研究比较新旧交通方式的用户在空间分布和使用强度方面的差异。这项研究依靠一长串基线数据来估计旅行者的住所及其使用强度。我们的研究结果挑战了关于非频繁用户的假设，并揭示了罕见用户对乘客模式的显著影响。在轻轨引入后，新卡的出现证实了乘客人数的增加，比平时高出48% %。然而，只有大约4% %的新身份证的出行速度相当于每天的通勤速度。结果显示出强烈的空间模式，50% %的经常乘坐轻轨的乘客在新车站推断出了他们的家的位置，63% %的日常乘客不使用公共汽车访问轻轨。这种方法表明：(1)稀有用户，尽管他们骑行的频率较低，但对骑行趋势有显著影响；(2)公交通道距离比传统假设的大约半英里短；(3)客流量效益表现出较强的空间格局。

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引用次数: 0

From the fringes to the mainstream and back? The geography of pandemic-driven evolution of fare-free public transport in the United States 从边缘到主流再回到主流？大流行驱动的美国免费公共交通演变的地理特征

IF 2 4区工程技术 Q3 TRANSPORTATION

Journal of Public Transportation

Pub Date : 2025-01-01 DOI: 10.1016/j.jpubtr.2025.100119

Monika Maciejewska , Wojciech Kębłowski , Merlin Gillard

The article examines the surprising uptake of the fare-free public transport (FFPT) policy in the United States during the first two years of the COVID-19 pandemic. While sanitary lockdowns led to a drastic reduction of mobility, safe public transport (PT) services had to be maintained to cater for “essential workers”. To achieve this, many urban transit agencies (TAs) adopted FFPT. To examine where PT became fare-free during the pandemic, we built and analysed a new dataset based on information from nearly 400 urban TAs across the US. Our findings indicate that two-thirds of the public TAs in urban areas opted to suspend fare collection amid the pandemic, with the analysis uncovering 73 cases of full FFPT on top of the 29 that had existed before the pandemic. FFPT emerged in areas with diverse demographic and economic profiles. Localities with higher Democratic Party support were more likely to abolish fares and sustain the suspensions, while larger transit agencies with substantial vehicle fleets tended to resume fare collection sooner. These findings highlight the complex factors influencing the adoption and duration of FFPT programmes in response to the pandemic, and underscore the adaptability of PT policies in the response. In sum, we observe that FFPT has shifted from the policy margins to the mainstream, having transformed from a highly controversial measure to a widely accepted strategy. Although the number of FFPT cases decreased significantly after the initial waves of the pandemic, it nonetheless remained much higher than pre-pandemic levels, with 40 TAs continuing to offer fare-free services.

本文考察了美国在2019冠状病毒病大流行的头两年出人意料地采用免费公共交通（FFPT）政策。虽然卫生封锁导致流动性急剧减少，但必须维持安全的公共交通服务，以满足“基本工作人员”的需求。为了实现这一目标，许多城市交通机构采用了FFPT。为了研究大流行期间PT在哪里免费，我们根据来自美国近400个城市ta的信息建立并分析了一个新的数据集。我们的研究结果表明，在大流行期间，城市地区三分之二的公共交通服务选择暂停收费，分析发现，除了大流行前存在的29例完全FFPT病例外，还有73例完全FFPT病例。FFPT出现在人口和经济状况各不相同的地区。民主党支持率较高的地方更有可能取消收费并维持暂停收费，而拥有大量车队的大型运输机构往往会更快地恢复收费。这些调查结果突出表明，为应对这一流行病，影响FFPT方案的采用和持续时间的复杂因素，并强调了PT政策在应对过程中的适应性。总之，我们观察到FFPT已经从政策边缘转变为主流，从一个高度争议的措施转变为一个被广泛接受的策略。尽管在大流行的最初几波之后，FFPT病例数量显著减少，但仍远高于大流行前的水平，有40个TAs继续提供免费服务。

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引用次数: 0

How access distance to high-speed rail stations affects individual travel behavior in small cities: A case study of the Chengdu-Chongqing corridor 小城市高铁站距离对个人出行行为的影响——以成渝走廊为例

IF 2 4区工程技术 Q3 TRANSPORTATION

Journal of Public Transportation

Pub Date : 2025-01-01 DOI: 10.1016/j.jpubtr.2025.100127

Weiwei Cao , Feng Shi , Qihua Zhu , Qi Li

The rapid development of high-speed rail (HSR) has generated significant economic and social impacts and garnered extensive scholarly attention. However, there remains a lack of analysis on how access distance to HSR stations affects local residents’ travel behavior from the perspective of the individual. This study attempts to answer this question by utilizing large-scale railway travel data from residents of small cities in China. The raw dataset was provided by the Chengdu Railway Bureau, covering the period from January 1, 2014, to March 20, 2018. Taking the Chengdu-Chongqing HSR as a case study, we used the spatial distance between the residential addresses of individuals and HSR stations as a proxy for accessibility, and we selected over 340,000 residents from eight small cities along the route as observations. A negative binomial regression was employed to estimate the impact of access distance to HSR stations on individual travel behavior. The results indicate that individuals’ access distance to HSR stations has significantly negative effects on the number of HSR trips. Variables representing the individual characteristics of previous travel behavior, ticket purchasing behavior, social status, and wealth significantly affect individual travel frequency. More importantly, the study also demonstrates heterogeneity in the effects of HSR station accessibility on different groups in terms of sex, age, and place of residence. Compared with females and rural residents, the negative impact of HSR station accessibility on male and urban residents' travel behavior is less pronounced. The analysis also shows that HSR station accessibility negatively affects individual travel frequency across different groups, with middle-aged and elderly groups being more sensitive to accessibility constraints. These findings enrich existing research on travel behavior.

高速铁路（HSR）的快速发展产生了重大的经济和社会影响，并引起了广泛的学术关注。然而，从个体角度分析高铁站点的访问距离如何影响当地居民的出行行为仍然缺乏。本研究试图通过利用中国小城市居民的大规模铁路旅行数据来回答这个问题。原始数据集由成都铁路局提供，覆盖时间为2014年1月1日至2018年3月20日。以成渝高铁为例，以个人居住地址与高铁站点之间的空间距离作为可达性指标，选取沿线8个小城市的34万多名居民作为观察对象。采用负二项回归方法估计高铁站点入口距离对个体出行行为的影响。结果表明，个体到高铁站点的距离对高铁出行次数有显著的负向影响。以往出行行为、购票行为、社会地位、财富等代表个体特征的变量显著影响个体出行频率。更重要的是，研究还揭示了高铁站点可达性对不同性别、年龄和居住地人群的影响存在异质性。与女性和农村居民相比，高铁站点可达性对男性和城市居民出行行为的负面影响不明显。分析还表明，高铁站点可达性对不同人群的个人出行频率有负向影响，中老年人群对可达性约束更为敏感。这些发现丰富了现有的关于旅行行为的研究。

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引用次数: 0

Evaluating the accessibility and equity of key amenities in the X-minute and Y-monetary-cost city: A double-threshold cumulative opportunity measure 评估x分钟和y货币成本城市关键设施的可达性和公平性：双门槛累积机会度量

IF 2 4区工程技术 Q3 TRANSPORTATION

Journal of Public Transportation

Pub Date : 2025-01-01 DOI: 10.1016/j.jpubtr.2025.100128

Yue Chen , Shunping Jia , Qi Xu

Accessibility is essential for the equitable planning of key amenities such as job, healthcare, and education in the X-minute city. However, previous studies tend to ignore the monetary cost of travel in accessibility modelling or fail to provide an effective accessibility planning tool based on the monetary cost. To fill the gap, this paper proposes a double threshold cumulative opportunity measure considering the travel time and monetary cost and applies it in the accessibility and equity evaluation of six amenities by public transportation (PT) and private car (PC) in the X-minute and Y-monetary-cost city. The effects of the monetary cost on accessibility and equity are fully explored. And the proposed method is compared with traditional accessibility models to show its advantages. The results from two typical combinations of thresholds show that the accessibility of all amenities by PT is still much lower than that of PC. It also presents a more uneven spatial distribution, originating from the accessibility gap in different housing areas. Among different amenities, education and scenery are the most inequitably distributed. Moreover, the incorporation of the travel cost threshold is needed in modelling as the traditional method will overestimate the accessibility and have contrary effects on the equity of PT and PC. Compared with existing methods, the double-threshold cumulative opportunity measure has better simplicity and interpretability. And the new model is more general as the traditional method can be viewed as a special form of it. This study provides insights for planners and policymakers to make targeted adjustments to resource allocation and transportation policies in future transportation and urban planning in the X-minute and Y-monetary-cost city.

可达性对于在x分钟城市中公平规划工作、医疗保健和教育等关键设施至关重要。然而，以往的研究在可达性建模中往往忽略了出行的货币成本，或者未能提供一种有效的基于货币成本的可达性规划工具。为了填补这一空白，本文提出了考虑出行时间和货币成本的双阈值累积机会测度，并将其应用于x分钟、y货币成本城市公共交通（PT）和私家车（PC） 6种便利设施的可达性和公平性评价。充分探讨了货币成本对可及性和公平性的影响。并与传统可达性模型进行了比较，证明了该方法的优越性。两个典型阈值组合的结果表明，PT对所有设施的可达性仍远低于PC。由于不同居住区域的可达性差异，其空间分布也更加不均匀。在不同的设施中，教育和风景的分配最不公平。此外，由于传统方法会高估可达性，并对可达性和可达性产生相反的影响，因此需要在建模中加入出行成本阈值。与现有方法相比，双阈值累积机会测度具有更好的简洁性和可解释性。新模型具有较强的通用性，可以看作是传统方法的一种特殊形式。本研究为未来在x分钟和y货币成本城市的交通和城市规划中，规划者和决策者有针对性地调整资源配置和交通政策提供了参考。

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引用次数: 0

Decency in the digital era: Exploring preferences of transit riding among females in different life stages 数字时代的礼仪：探索不同人生阶段女性的交通出行偏好

IF 2 4区工程技术 Q3 TRANSPORTATION

Journal of Public Transportation

Pub Date : 2025-01-01 DOI: 10.1016/j.jpubtr.2024.100112

Bing Yan , Chen Wan , Yinli Chen , Chengcheng Yu , Lu Huang

Investigating women’s public transit usage intentions (TUIs) is essential for enhancing service quality and ensuring female passengers’ travel rights. However, for women with distinct socioeconomic backgrounds, the heterogeneity of factors impacting their TUIs is not thoroughly explored. In this research, we conducted a survey in Hangzhou, China, collected 1294 valid questionnaires from women, and employed the Latent Class Analysis method (LCA) and Ordered Logit Model (OLM) to identify the distinct determinants of TUIs among different female groups. The findings reveal that: (1) Retired elderly women, who are less able to walk, require more spatial accessibility of transit services and the availability to reduce their first/last-mile walking and waiting time; (2) Middle-aged and high-income groups prioritize comfort, punctuality, and safety, particularly favoring the provision of ladies-only seating areas; (3) Young and student groups' transit usage is predominantly influenced by fare policies. By incorporating digital technologies, customized operational strategies such as real-time transit information systems, surveillance cameras, tiered discount schemes, and digital payment services are recommended to improve the TUIs among different female groups. Our work contributes to creating a more female-friendly public transit environment.

调查女性的公共交通使用意向对于提高服务质量和保障女性乘客的出行权利至关重要。然而，对于具有不同社会经济背景的女性，影响其tui的因素的异质性尚未得到充分探讨。在本研究中，我们在中国杭州进行了一项调查，收集了1294份有效的女性问卷，并采用潜在类分析方法（LCA）和有序Logit模型（OLM）来确定不同女性群体中tui的不同决定因素。研究结果表明：(1)老年退休妇女对公共交通服务的空间可达性要求更高，对减少第一英里/最后一英里步行和等待时间的可得性要求更高；(2)中年和高收入人群优先考虑舒适性、准时性和安全性，尤其喜欢提供女性专用座位区；(3)青年和学生群体的交通使用主要受票价政策的影响。通过结合数字技术，建议采用定制的运营策略，如实时交通信息系统、监控摄像头、分层折扣计划和数字支付服务，以改善不同女性群体的tui。我们的工作有助于创造一个更有利于女性的公共交通环境。

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引用次数: 0

Bus driver deceleration behavior modeling at intersections using multi-source on-board sensor data 基于多源车载传感器数据的交叉口公交司机减速行为建模

IF 2 4区工程技术 Q3 TRANSPORTATION

Journal of Public Transportation

Pub Date : 2025-01-01 DOI: 10.1016/j.jpubtr.2025.100123

Yancheng Ling , Zhenliang Ma , Yuchen Song , Qi Zhang , Xiaoxiong Weng , Xiaolei Ma

Understanding the impact of various factors on bus deceleration behavior at intersections has important implications for bus operations control, management, and safety. This paper develops a multiple linear regression model to analyze the factors influencing bus driver deceleration (a proxy of safe driving state) at intersections using data from multiple sources, including the on-board closed-circuit television (CCTV), the advanced driver assistance system (ADAS), the bus controller area network (CAN), the bus operation, and the driver profile data. We develop a comprehensive model data extraction framework and corresponding methods to effectively estimate/calculate the bus deceleration rate (dependent variable) and its influencing factors (independent variables). We explored the factors impact on bus deceleration behavior at intersections using data from a typical bus route in China. The results highlight significant factors, including driver characteristics (age), en-route and intersection approaching driving states (trip delay, turnaround time, driving direction, and approaching speed), intersection characteristics (types, the number of lanes, zebra crossing, divider, bus lanes, right turn lanes, the stop location) and traffic conditions (surrounding vehicles). Generally, drivers with younger ages (having short reaction times) and driving with psychological anticipation of complex situations (from surrounding vehicles and pedestrians or unsignalized intersections) tend to decelerate more smoothly. The agencies may enhance safe bus driving behavior by allowing enough turnaround time in timetabling, recommending intersection approaching speed, and providing tailored ADAS system alarms (rather than flooding all alerts). Also, the planning of bus infrastructures (e.g., dedicated lanes and stop locations) should be properly evaluated considering their soft contribution to safe driving behaviors at intersections.

了解各种因素对交叉口公共汽车减速行为的影响对公共汽车运行控制、管理和安全具有重要意义。本文利用车载闭路电视（CCTV）、高级驾驶员辅助系统（ADAS）、公交车控制器局域网（CAN）、公交车运行和司机个人资料等数据，建立了一个多元线性回归模型，分析了影响交叉口公交车司机减速（安全驾驶状态的一种代表）的因素。我们开发了一个全面的模型数据提取框架和相应的方法来有效地估计/计算公交车减速率（因变量）及其影响因素（自变量）。本文利用中国典型公交线路的数据，探讨了影响交叉口公交减速行为的因素。结果突出了显著因素，包括驾驶员特征（年龄）、路线和交叉口接近驾驶状态（行程延迟、转弯时间、行驶方向和接近速度）、交叉口特征（类型、车道数、斑马线、分隔线、公交车道、右转弯车道、停车位置）和交通状况（周围车辆）。一般来说，年龄较小（反应时间较短）和对复杂情况（从周围车辆和行人或无信号路口）有心理预期的司机往往减速更平稳。这些机构可以通过在时间表上允许足够的周转期，建议路口接近速度，以及提供定制的ADAS系统警报（而不是淹没所有警报）来提高公共汽车的安全驾驶行为。此外，考虑到公共汽车基础设施（如专用车道和停车点）对十字路口安全驾驶行为的软贡献，应该对其规划进行适当的评估。

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引用次数: 0

Planning for gold: identifying opportunities for public transport interventions through machine learning and appraisal automation 规划黄金：通过机器学习和评估自动化识别公共交通干预的机会

IF 2 4区工程技术 Q3 TRANSPORTATION

Journal of Public Transportation

Pub Date : 2025-01-01 DOI: 10.1016/j.jpubtr.2025.100136

David Arquati, Liam McGrath

Improving public transport connectivity is crucial for decarbonisation and economic growth. Current transport planning approaches to addressing connectivity problems rely on trial-and-error approaches to identify problems and generate options, limited by planners' incomplete knowledge and the overwhelming volume of available travel data.

We introduce a machine-assisted approach to identify opportunities for connectivity enhancements from origin-destination data and generate prioritised intervention options. Using an origin-destination matrix for Greater London covering approximately 1200 activity centres, our method applies trajectory clustering to identify potential high-demand corridors with poor public transport quality.

Our prototype automatically generates multiple public transport scheme options (local bus, express bus, metro) within these corridors along with approximate operating costs. These options are batch-tested using accelerated assignment modelling that optimises mode choice, frequency, and route generation, and the results are given ordered according to benefit-cost ratios.

This approach is now being used to supplement human planners’ knowledge in the development of new express bus services in London.

改善公共交通连通性对脱碳和经济增长至关重要。目前解决交通连接问题的交通规划方法依赖于反复试验的方法来识别问题并提出解决方案，这受到规划者知识不全和大量可用出行数据的限制。我们引入了一种机器辅助方法，从起点-目的地数据中识别连接性增强的机会，并生成优先的干预方案。使用覆盖约1200个活动中心的大伦敦起点-目的地矩阵，我们的方法应用轨迹聚类来识别公共交通质量差的潜在高需求走廊。我们的原型在这些走廊内自动生成多种公共交通方案选项（本地公交、快速公交、地铁）以及大致的运营成本。使用加速分配模型对这些选项进行批量测试，优化模式选择、频率和路线生成，并根据效益-成本比给出结果。这种方法现在正被用来补充人类规划师的知识，以开发伦敦新的快速公交服务。

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引用次数: 0

Counting in: A methodological framework for the accessibility assessment of on-demand transit 计算：按需交通可达性评估的方法框架

IF 2 4区工程技术 Q3 TRANSPORTATION

Journal of Public Transportation

Pub Date : 2025-01-01 DOI: 10.1016/j.jpubtr.2025.100122

Bogdan Kapatsila , Alex Hindle , Anson Stewart , Emily Grisé

This paper addresses an existing methodological and empirical gap by presenting a framework for conducting a regional cumulative accessibility analysis of a transit network with an on-demand component and demonstrating its application to the context of a mid-sized Canadian city. We rely on the concept of accessibility as a performance metric and propose a methodological approach for inferring inputs for accessibility calculations from actual on-demand operations in Edmonton, Canada, to develop the tool for the accessibility assessment of a transit network with an on-demand component. Our empirical findings show that on-demand zones that were introduced with a redesigned bus network saw the largest gains in transit accessibility, and we identified that excluding on-demand transit from accessibility analysis underestimates the systemic effect of the bus network redesign. While the use of the accessibility framework for the assessment of a transit system with an on-demand component offers a meaningful and comprehensive measure of the success both for the planning purposes at the stage of design and for the post-implementation evaluation of either incremental or systemic changes, on-demand service standards must be developed to ensure consistent service provision of on-demand services throughout the day. On the other hand, informed by the findings of our study and publicly available information about the operational costs of service provision we identified that on-demand service provides operational savings over fixed routes if ridership in the area is less or equal to eight passengers an hour.

本文提出了一个框架，对一个按需组成的交通网络进行区域累积可达性分析，并展示了其在加拿大一个中型城市的应用，从而解决了现有方法和经验上的差距。我们将可达性概念作为一种绩效指标，并提出了一种方法方法，用于推断加拿大埃德蒙顿实际按需运营的可达性计算输入，以开发具有按需组件的交通网络可达性评估工具。我们的实证研究结果表明，引入重新设计的公交网络的按需区域在公交可达性方面获得了最大的收益，并且我们发现，将按需公交排除在可达性分析之外低估了公交网络重新设计的系统效应。虽然使用可达性框架来评估具有按需组件的交通系统，为设计阶段的规划目的和对增量或系统变化的实施后评估提供了一个有意义和全面的成功衡量标准，但必须制定按需服务标准，以确保全天按需服务的一致提供。另一方面，根据我们的研究结果和有关服务提供的运营成本的公开信息，我们确定，如果该地区的乘客少于或等于每小时8名乘客，按需服务将比固定路线节省运营成本。

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