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Assessing pedestrian impacts of future land use and transportation scenarios 评估未来土地用途和交通方案对行人的影响
IF 1.9 4区 工程技术 Q4 TRANSPORTATION Pub Date : 2022-08-19 DOI: 10.5198/jtlu.2022.2117
Qin Zhang, R. Moeckel, K. Clifton
Portland Central City has experienced growth in population and employment over the last decades, which leads to an increase in travel demand. One of the visions of the Central City 2035 plan is to encourage walking. This paper presents a model of pedestrian travel demand to help assess the impact of land use and transportation policies in the Central City area. The model is an enhanced version of the Model of Pedestrian Demand (MoPeD). Realistic scenarios and the projected population and employment are incorporated in this study. Four future scenarios for 2035 are tested and compared to 2010 base conditions. The results suggest that demographic growth and job increases can help to encourage a large share of walk trips. Pedestrian behavior is also sensitive to network connectivity, but the influence is not as impactful compared to population and job growth. Furthermore, model results show that a good street network and a dense and diverse land-use plan can maximize the effects of promoting walk trips. This paper presents the capability of the pedestrian planning tool MoPeD. It is sensitive to the small-scale variations in local land use and transport development, which can help policymakers better understand the effects of various demographic policies and infrastructure planning on the walk share.
在过去的几十年里,波特兰中城经历了人口和就业的增长,这导致了旅游需求的增加。中心城市2035计划的愿景之一是鼓励步行。本文提出了一个行人出行需求模型,以帮助评估中心城区土地利用和交通政策的影响。该模型是行人需求模型(MoPeD)的改进版本。本研究纳入了实际情况和预测的人口和就业情况。对2035年的四种未来情景进行了测试,并与2010年的基本条件进行了比较。研究结果表明,人口增长和就业增加有助于鼓励更多的步行出行。行人的行为对网络连通性也很敏感,但与人口和就业增长相比,这种影响没有那么大。此外,模型结果表明,良好的街道网络和密集多样的土地利用规划可以最大限度地促进步行出行。本文介绍了MoPeD行人规划工具的功能。它对当地土地利用和交通发展的小规模变化很敏感,这可以帮助决策者更好地理解各种人口政策和基础设施规划对步行份额的影响。
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引用次数: 2
Parking by the bay: The supply and implications of parking infrastructure in the San Francisco Bay Area 海湾停车:旧金山湾区停车基础设施的供应和影响
IF 1.9 4区 工程技术 Q4 TRANSPORTATION Pub Date : 2022-08-19 DOI: 10.5198/jtlu.2022.2123
Rui Li, Alysha M. Helmrich, M. Chester
The San Francisco Bay Area is one of the most progressive transportation regions in the deployment of high-capacity transit and the use of policies to encourage active transportation. Yet, there remains a dearth of knowledge on the abundance and location of parking infrastructure. The extent and location of parking supply, including on-street and off-street spaces, are estimated for the nine-county Bay Area by creating a federated database that joins land use, transportation, parcel, building, and parking code layers to estimate the number and characteristics of parking spaces at the census block scale. This bottom-up parking space inventory results in an estimated 15 million parking spaces in the region: 8.6 million on-street and 6.4 million off-street. Residential parking dominates the share of supply at 70%, followed by commercial at 9.4%. Space density is greatest in downtown San Francisco, Oakland, and San Jose—largely attributed to high-rise structures. On-street parking is dominant in the North Bay, commanding 78% of total parking in Napa, 75% in Solano, 68% in Sonoma, and 67% in Marin County. Parking area constitutes 7.9% of the total incorporated area. Notably, when compared to other southwest cities (Phoenix Metropolitan Area and Los Angeles County), the Bay Area parking supply appears better utilized considering spaces per person, per car, and per job. The density and quantity of parking spaces in the Bay Area are critical insights toward developing targeted policies that encourage active mobility and support affordable housing.
旧金山湾区在部署大容量交通和使用鼓励主动交通的政策方面是最先进的交通地区之一。然而,人们对停车基础设施的数量和位置仍然缺乏了解。通过创建一个联邦数据库,将土地使用、交通、包裹、建筑和停车代码层结合起来,以估计人口普查街区尺度上停车位的数量和特征,估算了九县湾区的停车供应范围和位置,包括街道上和街道外的停车位。这种自下而上的停车位库存导致该地区估计有1500万个停车位:860万个街道上的停车位和640万个街道外的停车位。住宅停车位占供应的70%,其次是商业停车位,占9.4%。旧金山市中心、奥克兰和圣何塞的空间密度最大,这主要归因于高层建筑。北湾地区的街道停车位占主导地位,纳帕占总停车位的78%,索拉诺占75%,索诺玛占68%,马林县占67%。停车场面积占总面积的7.9%。值得注意的是,与其他西南城市(凤凰城大都会区和洛杉矶县)相比,考虑到人均、每辆车和每份工作的停车位,湾区的停车供应似乎得到了更好的利用。湾区的停车位密度和数量是制定有针对性的政策的关键,这些政策鼓励积极的流动性和支持经济适用房。
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引用次数: 0
Congested sidewalks: The effects of the built environment on e-scooter parking compliance 拥挤的人行道:建筑环境对电动自行车停车合规性的影响
IF 1.9 4区 工程技术 Q4 TRANSPORTATION Pub Date : 2022-08-12 DOI: 10.5198/jtlu.2022.2110
R. Hemphill, John Macarthur, Philip Longenecker, Garim Desai, Lillie Nie, Abbey Ibarra, Jennifer Dill
With the proliferation of electric scooters (e-scooters) in cities across the world, concerns continue to arise about their parking spots on sidewalks and other public spaces. Research has looked at e-scooter parking compliance and compared compliance to other mobility devices, but research has not yet examined the impacts of the built environment on parking compliance. Using a field observation dataset in Portland, Oregon, and novel GIS data, we attempt to understand the spatial distribution of e-scooter parking and the impact of built features on parking compliance, offering recommendations for policymakers and future research. The results of our study show that 76% of e-scooters observed fail at least one of the Portland’s parking compliance requirements and 59% fail at least two criteria. However, compliance varies spatially and by violation type, indicating that parking compliance (or non-compliance) is dependent on features of the built environment. Parking compliance is significantly higher on blocks with designated e-scooter parking than blocks without designated e-scooter parking. A statistically significant relationship is observed between the amount of legally parkable area on a city block and parking compliance. Parking compliance increases with larger percentages of legally parkable area. This finding can help policymakers prioritize dedicated e-scooter parking for blocks with limited legally parkable area.
随着电动滑板车在世界各地城市的普及,人们继续对其在人行道和其他公共空间的停车位感到担忧。研究人员研究了电动踏板车停车合规性,并将其与其他移动设备的合规性进行了比较,但研究尚未考察建筑环境对停车合规的影响。利用俄勒冈州波特兰市的实地观测数据集和新的GIS数据,我们试图了解电动踏板车停车场的空间分布以及建筑特征对停车合规性的影响,为决策者和未来的研究提供建议。我们的研究结果表明,76%的电动踏板车至少不符合波特兰的一项停车合规要求,59%的电动踏车至少不符合两项标准。然而,合规性在空间上和违规类型不同,这表明停车合规性(或不合规性)取决于建筑环境的特征。有指定电动自行车停车场的街区的停车合规性明显高于没有指定电动自行车停放场的街区。在城市街区的合法停车面积和停车合规性之间,观察到了统计上显著的关系。停车合规性随着合法停车面积的增加而增加。这一发现可以帮助政策制定者优先考虑合法停车面积有限的街区的电动自行车专用停车场。
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引用次数: 2
FABILUT: The Flexible Agent-Based Integrated Land Use/Transport Model FABILUT:基于柔性Agent的土地利用/运输综合模型
IF 1.9 4区 工程技术 Q4 TRANSPORTATION Pub Date : 2022-08-12 DOI: 10.5198/jtlu.2022.2126
Dominik Ziemke, Nico Kuehnel, C. Llorca, R. Moeckel, K. Nagel
Integrated land-use transport models are often accused of being too complex, too coarse or too slow. We tightly couple the microscopic land use model SILO (Simple Integrated Land Use Orchestrator) with the agent-based transport simulation model MATSim (Multi-Agent Transport Simulation). The integration of the two models is person-centric. It means, firstly, that travel demand is generated microscopically. Secondly, SILO agents can query individualized travel information to search for housing or jobs (and to choose among available modes). Consequently, travel time matrices (skim matrices) are not needed anymore. Travel time queries can be done for any time of the day (instead of for one or few time periods), any x/y coordinate (instead of a limited number of zones) and take into account properties of the individual. This way, we avoid aggregation issues (e.g., large zones that disguise local differences) and we can account for individual constraints (e.g., nighttime workers who cannot commute by public transport for lack of service). Therefore, the behavior of agents is represented realistically, which allows us to simulate their reaction to novel policies (e.g., emission-class-based vehicle restrictions) and to extract system-wide effects. The model is applied in two study areas: a toy scenario and the metropolitan region of Munich. We simulate various transport and land use policies to test the model capabilities, including public transport extensions, zones restricted for private cars and land use development regulations. The results demonstrate that the increase of the model resolution and model expressiveness facilitates the simulation of such policies and the interpretation of the results.
综合土地利用运输模式经常被指责过于复杂、过于粗糙或过于缓慢。我们将微观土地利用模型SILO(简单综合土地利用协调器)与基于代理的运输仿真模型MATSim(多代理运输仿真)紧密耦合。两种模式的整合是以人为中心的。这意味着,首先,出行需求是在微观层面产生的。其次,SILO代理可以查询个性化的旅行信息来寻找住房或工作(并在可用的模式中进行选择)。因此,不再需要旅行时间矩阵(略去矩阵)。旅行时间查询可以在一天中的任何时间(而不是一个或几个时间段)、任何x/y坐标(而不是有限数量的区域)进行,并考虑到个人的属性。通过这种方式,我们避免了聚集问题(例如,掩盖地方差异的大区域),并且我们可以考虑个人约束(例如,夜间工人因缺乏服务而无法乘坐公共交通工具上下班)。因此,代理的行为被真实地表示,这使我们能够模拟它们对新政策(例如,基于排放等级的车辆限制)的反应,并提取系统范围的影响。该模型应用于两个研究区域:一个玩具场景和慕尼黑大都市区。我们模拟了各种交通和土地使用政策,以测试模型的能力,包括公共交通扩展、私家车禁区和土地使用发展法规。结果表明,模型分辨率和模型表达能力的提高有利于这些策略的模拟和结果的解释。
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引用次数: 2
On the empirical association between spatial agglomeration of commercial facilities and transportation systems in Japan: A nationwide analysis 日本商业设施空间集聚与交通系统的实证关联——全国性分析
IF 1.9 4区 工程技术 Q4 TRANSPORTATION Pub Date : 2022-08-12 DOI: 10.5198/jtlu.2022.1968
Maya Safira, M. Chikaraishi
Understanding the impact of transport systems on the spatial agglomeration of urban facilities is critical for urban and transport planning. Recent studies show three separate mechanisms, including matching, sharing, and trip chaining on the agglomeration of commercial facilities, but little is known about which of these mechanisms is dominant and how its dominance varies across transport systems. Aiming at empirically investigating the mechanisms, we first calculate a simple agglomeration index for 69 Japanese cities and then explore the association between the index and city-level characteristics (including transport) using a decision tree analysis. The results confirm that (1) cities with larger areas and higher train shares experience agglomeration, presumably through matching and/or trip chaining, while cities with smaller areas have less agglomeration despite high train shares; and (2) car-dependent cities experience agglomeration, presumably through sharing, particularly by agglomerating in their residential and roadside areas. These findings indicate that effective agglomeration forces vary across transport systems.
了解交通系统对城市设施空间集聚的影响对城市和交通规划至关重要。最近的研究表明,商业设施集聚有三种不同的机制,包括匹配、共享和出行链,但人们对哪种机制占主导地位以及其主导地位在不同的交通系统中如何变化知之甚少。本文以实证研究为目的,首先计算了日本69个城市的简单集聚指数,然后利用决策树分析方法探讨了该指数与城市层面特征(包括交通)之间的关系。结果表明:(1)区域较大、列车占比较高的城市可能通过匹配和/或线路连锁发生集聚,而区域较小的城市虽然列车占比较高,但集聚程度较低;(2)依赖汽车的城市经历了集聚,可能是通过共享,特别是在住宅和路边区域聚集。这些发现表明,不同运输系统的有效集聚力各不相同。
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引用次数: 0
Bus rapid transit impacts on land uses and development over time in Bogotá and Quito 快速公交对波哥大<e:1>和基多土地利用和发展的长期影响
IF 1.9 4区 工程技术 Q4 TRANSPORTATION Pub Date : 2022-08-03 DOI: 10.5198/jtlu.2022.1888
C. E. Vergel-Tovar, D. Rodriguez
Despite the worldwide popularity of bus rapid transit (BRT), empirical evidence of its effects on land uses and development remains limited. This paper examines BRT’s impacts on land use and development in Bogotá and Quito, by using a parcel-level difference-in-differences research design. We estimate a propensity score-weighted regression model of parcel development characteristics in treatment and control areas. In Bogotá, although parcels in close proximity to the BRT are subject to fewer changes in terms of development intensity (changes in built-up area) in relation to parcels in the control area, they are more likely to change uses, shifting toward commercial activities. In Quito, the results are mixed; parcels in one BRT corridor are more likely to be subject to redevelopment, but the parcels in a more recent BRT corridor are less likely to be subject to development activity in relation to parcels in the control corridor. Taken together, our results suggest that changes in land use are important but frequently overlooked impacts produced by BRT implementation. Attempts to capture value from mass transit investments should also consider the ancillary planning decisions required to allow changes in land use.
尽管快速公交在全球范围内广受欢迎,但其对土地利用和发展影响的实证证据仍然有限。本文通过差异研究设计中的地块水平差异,考察了快速公交对波哥大和基多土地利用和发展的影响。我们估计了治疗和对照地区地块发育特征的倾向得分加权回归模型。在波哥大,尽管与控制区内的地块相比,靠近快速公交的地块在开发强度(建成区的变化)方面的变化较小,但它们更有可能改变用途,转向商业活动。在基多,结果喜忧参半;一条快速公交走廊中的地块更有可能进行重新开发,但与控制走廊中的土地相比,最近的快速公交走廊上的地块不太可能进行开发活动。总之,我们的研究结果表明,土地利用的变化是BRT实施所产生的重要但经常被忽视的影响。从公共交通投资中获取价值的尝试还应考虑允许土地使用变化所需的辅助规划决策。
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引用次数: 2
University campus parking: It’s all the rage 大学校园停车:风靡一时
IF 1.9 4区 工程技术 Q4 TRANSPORTATION Pub Date : 2022-07-25 DOI: 10.5198/jtlu.2022.2038
Hayley Wiers, R. Schneider
Transportation planners, engineers, and researchers have long lamented the highly emotional public responses generated by changes to parking policies. We know that reducing the supply and increasing the price for parking—while intended to advance sustainability and other important community goals—seems to fuel an angry response, but this knowledge is often vague and anecdotal. This study combines qualitative coding of open-ended survey responses with quantitative analyses of sociodemographic and commute characteristics using descriptive statistics and binary logistic regression models to reveal a strong correlation between parking and anger among University of Wisconsin-Milwaukee (UWM) campus users. Higher probabilities of anger are also positively associated with annual household incomes below $50,000, bus pass holders, and residential locations outside of the immediate UWM neighborhood. Qualitative themes from angry comments include frustrations about parking price, supply, and duration; questions about the motivations for university parking policies; and a sense of entitlement among campus users to free and inexpensive parking options. The study interprets these variables and themes together to provide insights into the complicated relationship between parking and anger and the importance of analyzing angry feedback to inform future policies.
交通规划者、工程师和研究人员长期以来一直对停车政策的变化引起的公众高度情绪化的反应表示遗憾。我们知道,减少停车供应和提高停车价格——虽然旨在促进可持续性和其他重要的社区目标——似乎会激起愤怒的反应,但这些知识往往是模糊的和轶事。这项研究将开放式调查的定性编码与社会人口统计和通勤特征的定量分析相结合,使用描述性统计和二元逻辑回归模型,揭示了威斯康星大学密尔沃基分校(UWM)校园用户停车与愤怒之间的强相关性。更高的愤怒概率也与年收入低于5万美元的家庭、持有公交车通行证的人以及华盛顿大学附近以外的居住地点呈正相关。愤怒评论的定性主题包括对停车价格、供应和持续时间的不满;关于大学停车政策动机的问题;以及校园用户对免费和廉价停车选择的权利感。这项研究将这些变量和主题结合在一起,以深入了解停车和愤怒之间的复杂关系,以及分析愤怒反馈以告知未来政策的重要性。
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引用次数: 2
The role of transit accessibility in influencing the activity space and non-work activity participation of different income groups 交通可达性在影响不同收入群体的活动空间和非工作活动参与方面的作用
IF 1.9 4区 工程技术 Q4 TRANSPORTATION Pub Date : 2022-07-13 DOI: 10.5198/jtlu.2022.2075
Sui Tao, Sylvia Y. He, D. Ettema, Shuli Luo
Improved accessibility by transit service constitutes a critical component in removing spatial barriers in daily mobility for disadvantaged groups. However, the effects of transit accessibility on the daily mobility and activity participation of different social strata remain inconclusive. This study investigates the role of transit accessibility on the activity space of three income groups in Hong Kong. The results show that the availability of transit stations and network accessibility by mass transit rail (MTR) are significantly linked to the spatial extensiveness of activity space of the higher- and medium-income commuters, while bus plays a more important role for the daily mobility of the low-income group. Concerning non-work activity participation, the low-income non-commuters appear less affected by the availability of MTR stations than the other two groups, suggesting a potentially lower ability of using MTR to carry out different daily activities. Our findings offer some in-depth insights into the possible social inequality of using transit service, thereby contributing to a more nuanced understanding of the relationship between transit accessibility and mobility in relation to economic status. Policy recommendations to alleviate transport disadvantage and improve social equity are proposed.
改善过境服务的可及性是消除弱势群体日常流动空间障碍的关键组成部分。然而,交通可达性对不同社会阶层的日常流动性和活动参与的影响仍然没有定论。本研究旨在探讨香港三个收入阶层的交通可达性对活动空间的影响。研究结果表明,轨道交通站点的可用性和网络可达性与高收入和中等收入通勤者活动空间的空间广度显著相关,而公交车对低收入群体的日常流动性起着更重要的作用。在非工作活动参与方面,与其他两组相比,低收入非通勤者似乎较少受到地铁站可用性的影响,这表明使用地铁进行不同日常活动的能力可能较低。我们的研究结果为使用公交服务可能存在的社会不平等提供了一些深入的见解,从而有助于更细致地理解公交可达性和流动性与经济地位之间的关系。提出了缓解交通劣势和改善社会公平的政策建议。
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引用次数: 4
Land-use patterns, location choice, and travel behavior: Evidence from São Paulo 土地利用模式、地点选择和旅行行为:来自圣保罗的证据
IF 1.9 4区 工程技术 Q4 TRANSPORTATION Pub Date : 2022-06-19 DOI: 10.5198/jtlu.2022.2125
J. de Abreu e Silva, S. Lucchesi
Global South cities are vastly underrepresented in the literature that analyzes the relationships between location choice, land-use patterns and travel behavior. This paper aims to reduce that underrepresentation by bringing new evidence from a metropolitan region in the Global South. We estimate a Structural Equation Model to study the relationships between land-use patterns, location choice, car ownership and travel behavior, while controlling for self-selection, in the metropolitan region of São Paulo, Brazil. The model structure is adapted from previous applications to include variables related with specific aspects of the studied region, with the inclusion of informal work and people working two jobs, while simultaneously controlling for cohort effects associated with being a millennial. The results support the claim that land-use patterns influence travel behavior, even in a metropolitan area showing strong income-based spatial segregation levels. More specifically, commuting distance and car ownership act as important mediators in the relationships between the total amount of travel by mode and land-use patterns. In contrast to previous applications of this model framework, income plays a stronger role, an indication of relevant income-based residential sorting. Cohort effects are also visible, as millennials prefer to live in central, accessible, and mixed areas, own fewer cars, travel less by car, and use public transit and non-motorized modes more frequently.
在分析地点选择、土地利用模式和旅行行为之间关系的文献中,全球南方城市的代表性远远不足。本文旨在通过提供来自全球南方大都市地区的新证据来减少这种代表性不足。在控制自我选择的前提下,利用结构方程模型研究了巴西圣保罗都市圈土地利用模式、区位选择、汽车保有量和出行行为之间的关系。模型结构根据之前的应用程序进行了调整,以包括与研究区域特定方面相关的变量,包括非正式工作和从事两份工作的人,同时控制与千禧一代相关的队列效应。研究结果支持了土地利用模式影响出行行为的说法,即使在以收入为基础的空间隔离程度较高的大都市地区也是如此。更具体地说,通勤距离和汽车拥有量在出行方式总量与土地利用方式之间的关系中起着重要的中介作用。与此模型框架之前的应用相比,收入发挥了更大的作用,表明了相关的基于收入的住宅分类。群体效应也很明显,因为千禧一代更喜欢住在市中心、交通便利和混合的地区,他们拥有的汽车更少,开车出行也更少,更频繁地使用公共交通和非机动交通方式。
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引用次数: 1
Socio-cultural characteristics of people and the shape of transit-oriented development (TOD) in Indonesia: A mobility culture perspective 印尼人的社会文化特征和交通导向发展(TOD)的形态:流动文化视角
IF 1.9 4区 工程技术 Q4 TRANSPORTATION Pub Date : 2022-05-30 DOI: 10.5198/jtlu.2022.1997
H. Hasibuan, C. Permana
Recent literature argues that many transit-oriented development (TOD) projects have failed because their approaches focus on “one-size-fits-all” technical provisions and/or pay little attention to local socio-cultural suitability. Through a sociological institutionalism lens, this article examines how the local socio-cultural characteristics of people reshape mobility culture in transit areas and lead to the potential emergence of locally based TOD concepts. Our discussions are guided by the socio-cultural mobility analysis framework, an extended version of the original mobility culture theory. This analytical framework divides mobility culture into land use, housing, and transport dimensions. Five TOD potential areas located in the periphery of Greater Jakarta, Indonesia, are presented as a research window in which data and information are collected through a mixture of primary surveys and documentary reviews. This article reveals that housing preference emerges as the most important aspect of reshaping mobility culture in transit areas in Indonesia.
最近的文献认为,许多以交通为导向的发展项目之所以失败,是因为它们的方法侧重于“一刀切”的技术规定和/或很少关注当地的社会文化适宜性。通过社会制度主义的视角,本文考察了人们的当地社会文化特征如何重塑交通地区的流动文化,并导致基于当地的TOD概念的潜在出现。我们的讨论以社会文化流动性分析框架为指导,该框架是原始流动文化理论的扩展版本。该分析框架将流动文化分为土地利用、住房和交通维度。位于印度尼西亚大雅加达外围的五个TOD潜在区域作为一个研究窗口,通过初步调查和文献综述相结合的方式收集数据和信息。本文揭示了住房偏好是重塑印尼过境地区流动文化的最重要方面。
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引用次数: 1
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Journal of Transport and Land Use
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