Quantifying the Impact of Transportation Network Companies (TNCs) on Traffic Congestion in San Francisco PDF Download
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Author: Sneha Roy
Publisher:
ISBN:
Category :
Languages : en
Pages : 182
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Book Description
Author: Sneha Roy
Publisher:
ISBN:
Category :
Languages : en
Pages : 182
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Book Description
Author: Cambridge Systematics
Publisher: Transportation Research Board
ISBN: 0309154928
Category : Transportation
Languages : en
Pages : 87
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Book Description
This guidebook provides methods for integrating performance measures from individual transportation modes and multiple jurisdictions and for developing new measures, if needed, to monitor transportation network performance. These network performance measures can be used to improve system management, planning, and investment decisions and can be applied to various scenarios. The guidebook should be of immediate use to practitioners in state, regional, or local governments; specially designated authorities; or those in the private sector who are responsible for measuring, operating, and investing in the performance of multimodal and/or multijurisdictional transportation networks.
Author: Kenan Zhang
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This paper analyzes and evaluates several policies aiming to mitigate the congestion effect a Transportation Network Company (TNC) brings to bear on an idealized city that contains a dense central core surrounded by a larger periphery. The TNC offers both solo and pooling e-hail services to the users of public transport. We develop a spatial market equilibrium model over two building blocks: an aggregate congestion model describing the traffic impact of TNC operations on all travelers in the city, including private motorists, and a matching model estimating the TNC's level of service based on the interactions between riders and TNC drivers. Based on the equilibrium model, we formulate and propose solution algorithms to the optimal pricing problem, in which the TNC seeks to optimize its profit or social welfare subject to the extra costs and/or constraints imposed by the congestion mitigation policies. Three congestion mitigation policies are implemented in this study: (i) a trip-based policy that charges a congestion fee on each solo trip starting or ending in the city center; (ii) a cordon-based policy that charges TNC vehicles entering the city center with zero or one passenger; and (iii) a cruising cap policy that requires the TNC to maintain the fleet utilization ratio in the city center above a threshold. Based on a case study of Chicago, we find TNC operations may have a significant congestion effect. Failing to anticipate this effect in the pricing problem leads to sub-optimal decisions that worsen traffic congestion and hurt the TNC's profitability. Of the three policies, the trip-based policy delivers the best performance. It reduces traffic congestion modestly, keeps the TNC's level of service almost intact, and improves overall social welfare substantially. The cruising cap policy benefits private motorists, thanks to the extra congestion relief it brings about. However, because other stakeholders together suffer a much greater loss, its net impact on social welfare is negative. Paradoxically, the policy could worsen the very traffic conditions in the city center that it is designed to improve.
Author: Christopher Alexander Bischak
Publisher:
ISBN:
Category :
Languages : en
Pages : 158
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Book Description
This study uses a mixed-methods approach to investigate how Transportation Network Companies (TNCs) are impacting urban transportation systems. First, using survey and National Household Travel Survey data this study seeks to understand if TNCs are inducing travel demand. Second, using survey data this study analyzes what people value in regards to TNCs. Overall this study found that most people are using TNCs for occasional, weekend travel. For some portion of users TNCs may be inducing travel demand. This study also finds that most users value the convenience of TNCs. These findings imply that TNCs are not transforming urban transportation but are acting as supplemental transportation services
Author: Marlon Gary Boarnet
Publisher:
ISBN:
Category : Traffic congestion
Languages : en
Pages : 60
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Book Description
Author: Maarit M. Moran
Publisher:
ISBN:
Category : Ridesharing
Languages : en
Pages : 24
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Book Description
Author: Thomas Frederick Kirkwood
Publisher:
ISBN:
Category : Commuting
Languages : en
Pages : 25
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Book Description
Author: Shane Epting
Publisher: Rowman & Littlefield
ISBN: 1786608219
Category : Philosophy
Languages : en
Pages : 187
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Book Description
Cities’ transportation systems affect people, ecosystems, and future generations, and they increase tensions between historical preservation, social justice concerns, and future needs. In turn, all of these factors deserve consideration, but not equally. A just and moral way forward must prioritize values in how we give preference in planning decisions. Shane Epting illustrates that the problem of “moral prioritization” rests at the heart of these problems. To overcome such challenges, he develops a multitiered assessment system that shows how to evaluate complicated affairs in urban mobility. This book brings philosophical underpinnings of public works into full view, showing how the love of wisdom benefits the ongoing and future transportation issues of our increasingly urbanized world.
Author: Knaap, Gerrit-Jan
Publisher: Edward Elgar Publishing
ISBN: 1789904692
Category : Political Science
Languages : en
Pages : 401
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Book Description
This timely Research Handbook examines the evolution of smart growth over the past three decades, mapping the trajectory from its original principles to its position as an important paradigm in urban planning today. Critically analysing the original concept of smart growth and how it has been embedded in state and local plans, contributions from top scholars in the field illustrate what smart growth has accomplished since its conception, as well as to what extent it has achieved its goals.
Author: Paris Marx
Publisher: Verso Books
ISBN: 1839765917
Category : Social Science
Languages : en
Pages : 273
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Book Description
How to build a transportation system to provide mobility for all Road to Nowhere exposes the flaws in Silicon Valley’s vision of the future: ride-hailing services such as Uber and Lyft to take us anywhere; electric cars to make them ‘green’; and automation to ensure transport is cheap and ubiquitous. Such promises are implausible and potentially dangerous. As Paris Marx shows, these technological visions are a threat to our ideas of what a society should be. Electric cars are not a silver bullet for sustainability, and autonomous vehicles won’t guarantee road safety. There will not be underground tunnels to eliminate traffic congestion, and micromobility services will not replace car travel any sooner than we will see the arrival of the long-awaited flying car. In response, Marx offers a vision for a more collective way of organizing transportation systems that considers the needs of poor, marginalized, and vulnerable people. The book argues that rethinking mobility can be the first step in a broader reimagining of how we design and live in our future cities. We must create streets that allow for social interaction and conviviality. We need reasons to get out of our cars and to use public means of transit determined by community needs rather than algorithmic control. Such decisions should be guided by the search for quality of life rather than for profit.
