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Open accessJournal ArticleDOI: 10.1080/13574809.2019.1686350

Shared mobility and urban form impacts: a case study of peer-to-peer (P2P) carsharing in the US

04 Mar 2021-Journal of Urban Design (Routledge)-Vol. 26, Iss: 26, pp 141-158
Abstract: This paper advances the understanding of peer-to-peer (P2P) carsharing within the broader context of shared mobility and its connection to the built environment in the US through a survey conducted...

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Topics: Context (language use) (53%)

6 results found

Open accessJournal ArticleDOI: 10.3390/SU12187499
11 Sep 2020-Sustainability
Abstract: In this paper, a review of the main actions and policies that can be implemented to promote sustainable mobility is proposed. The work aims to provide a broad, albeit necessarily not exhaustive, analysis of the main studies and research that from different points of view have focused on sustainable mobility. The structure of the paper enables the reader to easily identify the topics covered and the studies related to them, so as to guide him/her to the related in-depth studies. In the first part of the paper, there is a preliminary analysis of the concept of sustainable mobility, the main transport policies implemented by the European Union and the USA, and the main statistical data useful to analyze the problem. Next, the main policies that can promote sustainable mobility are examined, classifying them into three topics: Environmental, socio-economic, and technological. Many of the policies and actions examined could be classified into more than one of the three categories used; for each of them, there is a description and the main literature work on which the topic can be analyzed in more detail. The paper concludes with a discussion on the results obtained and the prospects for research.

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Topics: European union (57%)

17 Citations

Open accessJournal ArticleDOI: 10.1016/J.TRA.2020.09.016
Abstract: During the last decade, the use of free-floating carsharing systems has grown rapidly in urban areas. However, little is known on the effects free-floating carsharing offerings have on car ownership in general. Also the main drivers why free-floating users sell their cars are still rarely analysed. To shed some light on these issues, we carried out an online survey among free-floating carsharing users in 11 European cities and based our analysis on a sample of more than 10,000 survey participants. Our results show that one carsharing car replaces several private cars - in optimistic scenarios up to 20 cars. In Copenhagen (followed by Rome, Hamburg, and London) one carsharing car replaces about two times more private cars than in Madrid, the city with the lowest number. The main non-city specific influencing factor of shedding a private car due to the availability of the free-floating carsharing services seems to be the usage frequency of the service. The more kilometres users drive with these cars, the more likely it becomes that they sell a private car (or they sell their car and, therefore, use this service more often). Further memberships of bikesharing and other carsharing services, users that live in larger buildings as well as users that own several cars are more likely to reduce their number of cars, too. Finally, our findings are highly valuable for carsharing operators and (transport) policy makers when introducing free-floating carsharing systems in further cities. According to our results, all 11 cities show a reduced private car fleet due to members' access to free-floating carsharing.

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Topics: Car ownership (61%)

14 Citations

Open accessJournal ArticleDOI: 10.3390/WEVJ11010010
Frank Rieck1, Kees Machielse1, Ron van Duin1Institutions (1)
Abstract: Will automotive be the future of mobility or will the motorcar era come to an end in the 21st century? Today, auto-mobility is still growing, but in the future, this will depend on its ability to adapt to the needs of modern society. Disruptive technologies like electrification, automation, and connectivity can make automotive more sustainable by striving for the Six Zero goals: Zero Emission, Zero Energy, Zero Congestion, Zero Accident, Zero Empty, and Zero Cost. These tempting goals can lead not only to a more sustainable ecology, but also to a new economy with more efficient use of the time and money needed for mobility. In this future mobility framework, this article describes the practice-oriented research of the Rotterdam University of Applied Sciences with its regional partners to achieve these goals.

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Topics: Zero emission (50%)

5 Citations

Journal ArticleDOI: 10.1016/J.JRETCONSER.2021.102795
Abstract: Carsharing services (CS) and ridesharing are gaining popularity worldwide through Peer-to-Peer (P2P) platforms, which appear to gradually complement or replace conventional CS business. This empirical study investigates the participation intentions in P2P shared mobility services accounting for different statuses people may adopt: provider and/or user. The analysis of a large car owner survey in three major European capitals indicates that these participation decisions are driven by common latent preferences and, people who are more prone to become a peer provider are more likely to use the P2P shared mobility service (and vice versa). The results also reveal the role of individual values such as possession self-link, individualism, and environmentalism in the decision to join a P2P shared mobility platform. Furthermore, our study shows how provider/user status may affect the participation intentions process in the urban population.

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Topics: Service (business) (52%), Population (51%)

Open accessJournal ArticleDOI: 10.3390/SU13020771
14 Jan 2021-Sustainability
Abstract: Transport is a critical factor for social-economic development, however, its environmental footprint cannot be neglected and is increasing over time. New mobility services based on collaborative consumption, such as peer-to-peer carsharing, have been developed with the aim of improving accessibility and reducing the negative externalities produced by transport. However, in the literature, there are very few documents that analyze collaborative consumption in the transport sector. To shed light on this topic, we described the Italian carsharing market and explained how it has changed over time. Moreover, we studied the potentialities of peer-to-peer carsharing in a less densely populated Italian region on the basis of a survey we conducted through face-to-face interviews. We found that the main reason preventing its spread is that individuals are not yet aware of its existence. We also analyzed the motivations of those who would like to use it and of those who stated the opposite. Suggestions are presented on the strategies to be implemented to facilitate the adoption of the service for the benefit of both platform providers and local administrators.

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Topics: Sustainable transport (56%), Service (business) (53%), Contingent valuation (53%) ... read more


35 results found

Journal ArticleDOI: 10.1016/S1361-9209(97)00009-6
Robert Cervero1, Kara M. Kockelman1Institutions (1)
Abstract: The built environment is thought to influence travel demand along three principal dimensions —density, diversity, and design. This paper tests this proposition by examining how the ‘3Ds’ affect trip rates and mode choice of residents in the San Francisco Bay Area. Using 1990 travel diary data and land-use records obtained from the U.S. census, regional inventories, and field surveys, models are estimated that relate features of the built environment to variations in vehicle miles traveled per household and mode choice, mainly for non-work trips. Factor analysis is used to linearly combine variables into the density and design dimensions of the built environment. The research finds that density, land-use diversity, and pedestrian-oriented designs generally reduce trip rates and encourage non-auto travel in statistically significant ways, though their influences appear to be fairly marginal. Elasticities between variables and factors that capture the 3Ds and various measures of travel demand are generally in the 0.06 to 0.18 range, expressed in absolute terms. Compact development was found to exert the strongest influence on personal business trips. Within-neighborhood retail shops, on the other hand, were most strongly associated with mode choice for work trips. And while a factor capturing ‘walking quality’ was only moderately related to mode choice for non-work trips, those living in neighborhoods with grid-iron street designs and restricted commercial parking were nonetheless found to average significantly less vehicle miles of travel and rely less on single-occupant vehicles for non-work trips. Overall, this research shows that the elasticities between each dimension of the built environment and travel demand are modest to moderate, though certainly not inconsequential. Thus it supports the contention of new urbanists and others that creating more compact, diverse, and pedestrian-orientated neighborhoods, in combination, can meaningfully influence how Americans travel.

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Topics: Travel behavior (63%), Vehicle miles of travel (60%), Mode choice (59%) ... read more

2,961 Citations

Journal ArticleDOI: 10.1080/01944361003766766
Reid Ewing1, Robert Cervero2Institutions (2)
Abstract: Problem: Localities and states are turning to land planning and urban design for help in reducing automobile use and related social and environmental costs. The effects of such strategies on travel demand have not been generalized in recent years from the multitude of available studies. Purpose: We conducted a meta-analysis of the built environment-travel literature existing at the end of 2009 in order to draw generalizable conclusions for practice. We aimed to quantify effect sizes, update earlier work, include additional outcome measures, and address the methodological issue of self-selection. Methods: We computed elasticities for individual studies and pooled them to produce weighted averages. Results and conclusions: Travel variables are generally inelastic with respect to change in measures of the built environment. Of the environmental variables considered here, none has a weighted average travel elasticity of absolute magnitude greater than 0.39, and most are much less. Still, the combined effect o...

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Topics: Built environment (52%)

2,893 Citations

Journal ArticleDOI: 10.3141/1780-10
Reid Ewing1, Robert Cervero2Institutions (2)
Abstract: The potential to moderate travel demand through changes in the built environment is the subject of more than 50 recent empirical studies. The majority of recent studies are summarized. Elasticities of travel demand with respect to density, diversity, design, and regional accessibility are then derived from selected studies. These elasticity values may be useful in travel forecasting and sketch planning and have already been incorporated into one sketch planning tool, the Environmental Protection Agency's Smart Growth Index model. In weighing the evidence, what can be said, with a degree of certainty, about the effects of built environments on key transportation "outcome" variables: trip frequency, trip length, mode choice, and composite measures of travel demand, vehicle miles traveled (VMT) and vehicle hours traveled (VHT)? Trip frequencies have attracted considerable academic interest of late. They appear to be primarily a function of socioeconomic characteristics of travelers and secondarily a function...

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Topics: Travel behavior (64%), Vehicle miles of travel (63%), Mode choice (60%) ... read more

1,533 Citations

Morris P. Fiorina1, Samuel J. Abrams2Institutions (2)
Abstract: For more than two decades political scientists have discussed rising elite polarization in the United States, but the study of mass polarization did not receive comparable attention until fairly recently. This article surveys the literature on mass polarization. It begins with a discussion of the concept of polarization, then moves to a critical consideration of different kinds of evidence that have been used to study polarization, concluding that much of the evidence presents problems of inference that render conclusions problematic. The most direct evidence—citizens' positions on public policy issues—shows little or no indication of increased mass polarization over the past two to three decades. Party sorting—an increased correlation between policy views and partisan identification—clearly has occurred, although the extent has sometimes been exaggerated. Geographic polarization—the hypothesized tendency of like-minded people to cluster together—remains an open question. To date, there is no conclusive e...

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Topics: Polarization (politics) (61%)

1,039 Citations

Open accessJournal ArticleDOI: 10.1016/J.TRANPOL.2015.10.004
Lisa Rayle1, Danielle Dai1, Nelson Chan1, Robert Cervero1  +1 moreInstitutions (1)
01 Jan 2016-Transport Policy
Abstract: In this study, we present exploratory evidence of how “ridesourcing” services (app-based, on-demand ride services like Uber and Lyft) are used in San Francisco. We explore who uses ridesourcing and for what reasons, how the ridesourcing market compares to that of traditional taxis, and how ridesourcing impacts the use of public transit and overall vehicle travel. In spring 2014, 380 completed intercept surveys were collected from three ridesourcing “hot spots” in San Francisco. We compare survey results with matched-pair taxi trip data and results of a previous taxi user survey. We also compare travel times for ridesourcing and taxis with those for public transit. The findings indicate that, despite many similarities, taxis and ridesourcing differ in user characteristics, wait times, and trips served. While ridesourcing replaces taxi trips, at least half of ridesourcing trips replaced modes other than taxi, including public transit and driving. Impacts on overall vehicle travel are unclear. We conclude with suggestions for future research.

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Topics: Taxis (56%), Public transport (56%)

625 Citations

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