scholarly journals Potential Benefits of Increased Public Transit Ridership in Medium Sized Cities: A Case Study

2022 ◽  
Vol 12 (01) ◽  
pp. 59-79
Author(s):  
Taniya Sultana ◽  
Virginia P. Sisiopiku ◽  
Jalal Khalil ◽  
Da Yan
Keyword(s):  
Public Transit ◽  
Transit Ridership ◽  
Potential Benefits

Making the Links between Ride-hailing and Public Transit Ridership: Impacts in Medium and Large Colombian Cities

2021 ◽  
Author(s):  
Lynn Scholl ◽  
Felipe Bedoya-Maya ◽  
Orlando Sabogal-Cardona ◽  
Daniel Oviedo
Keyword(s):  
Public Transportation ◽  
Fixed Effects ◽  
Public Transit ◽  
Transport Systems ◽  
Transit Service ◽  
Policy Debates ◽  
Transit Ridership ◽  
Key Policy ◽  
In Transit

As transit ridership continues to fall in many cities across the globe, key policy debates continue around whether Uber and other ride-hailing services are contributing to this trend. This research explores the effects of the introduction of ride-hailing to Colombian cities on public transportation ridership using Ubers timeline as case study. We test the hypothesis that ride-hailing may either substitute or compete with public transit, particularly in cities with large transit service gaps in coverage or quality. Our analysis builds on historic transit ridership data from national authorities and uses a staggered difference-in-difference model that accounts for fixed effects, seasonality, socioeconomic controls, and the presence of integrated transport systems. Despite large reductions in transit ridership in most cities, our results suggest that Uber is not statistically associated with the observed drop in ridership. Moreover, consistent with evidence from previous research, public transit reforms implemented between 2007 and 2015 throughout Colombian cities appear to have contributed substantially to the declines in transit ridership observed across the country. Findings in this paper inform policy-targeted insights and contribute to current debates of the links between ride-hailing and public transit in cities in Latin America.

scholarly journals Public Transit Loyalty Modeling Considering the Effect of Passengers’ Emotional Value: A Case Study in Xiamen, China

2018 ◽  
Vol 2018 ◽  
pp. 1-12 ◽  
Author(s):  
Shi-chao Sun
Keyword(s):  
Structural Equation ◽  
Goodness Of Fit ◽  
Public Transit ◽  
Perceived Value ◽  
Index Score ◽  
The Public ◽  
Bus Service ◽  
Bus Services ◽  
Emotional Value

To better sustain passengers’ loyalty towards bus service, this paper addressed the modeling of the public transit loyalty by the use of structural equation model. As a novel hypothesis, the emotional value was considered to have effects on the perceived value of bus services in this study, which reflected the degree of passengers’ emotional dependence on the public transit. Specifically, in order to better assess the loyalty, seven unobserved variables were measured to construct the structural model, namely, “service guarantee,” “operational services and efficiency,” “emotional value,” “perceived value,” “expectation,” “satisfaction,” and “loyalty.” The goodness-of-fit of the model was estimated and evaluated by using the survey data harvested from Xiamen, China. Besides, the index score of variables was also computed to help determine targeted approaches to better improve the level of bus service. The results indicated that the time cost and the monetary cost actually had no effects on the perceived value of users in the case study. At the same time, however, it also proved that passengers’ emotional value towards the public transit indeed affected passengers’ perception of the service value. In addition, whether users’ perceived value was as expected determined how much passengers satisfied with the service. Regarding the index score of variables, it indicated a great dissatisfaction of passengers towards the current bus service. Unexpectedly, the score of loyalty even still retained a relatively high level, which reflected continue-to-use willingness of passengers. It implied that being subject to economic conditions and other factors, passengers were captive and had to continue relying on the public transit, in spite of their dissatisfaction. As for the improvement direction of bus services, targeted approaches should be determined to improve the quality of bus service, regarding the aspects of “condition of facilities in the bus,” “driving stability and comfort,” “vehicle speed,” and “safety.”

Transit Planning Optimization Under Ride-Hailing Competition and Traffic Congestion

2021 ◽  
Author(s):  
Keji Wei ◽  
Vikrant Vaze ◽  
Alexandre Jacquillat
Keyword(s):  
New York ◽  
Traffic Congestion ◽  
Service Providers ◽  
Public Transit ◽  
Mixed Integer ◽  
Nonlinear Program ◽  
Transit Planning ◽  
Planning Optimization ◽  
Transit Ridership ◽  
Transit Agencies

With the soaring popularity of ride-hailing, the interdependence between transit ridership, ride-hailing ridership, and urban congestion motivates the following question: can public transit and ride-hailing coexist and thrive in a way that enhances the urban transportation ecosystem as a whole? To answer this question, we develop a mathematical and computational framework that optimizes transit schedules while explicitly accounting for their impacts on road congestion and passengers’ mode choice between transit and ride-hailing. The problem is formulated as a mixed integer nonlinear program and solved using a bilevel decomposition algorithm. Based on computational case study experiments in New York City, our optimized transit schedules consistently lead to 0.4%–3% system-wide cost reduction. This amounts to rush-hour savings of millions of dollars per day while simultaneously reducing the costs to passengers and transportation service providers. These benefits are driven by a better alignment of available transportation options with passengers’ preferences—by redistributing public transit resources to where they provide the strongest societal benefits. These results are robust to underlying assumptions about passenger demand, transit level of service, the dynamics of ride-hailing operations, and transit fare structures. Ultimately, by explicitly accounting for ride-hailing competition, passenger preferences, and traffic congestion, transit agencies can develop schedules that lower costs for passengers, operators, and the system as a whole: a rare win–win–win outcome.

Exuberant Life

2021 ◽  
Author(s):  
William H. Durham
Keyword(s):  
Human Impact ◽  
Charles Darwin ◽  
Ecological Systems ◽  
Social Ecological Systems ◽  
Social Ecological ◽  
History Of ◽  
Potential Benefits ◽  
Marine Iguanas ◽  
Systems Framework

Why is Galápagos so endlessly fascinating, whether to read about, to visit, or both? Reasons include its menagerie of truly unusual organisms (like tree daisies, marine iguanas, and flightless cormorants), its relatively low human impact (most of its endemic biodiversity is still extant), and its unrivalled role in the history of science ever since Charles Darwin. Exuberant Life offers a contemporary synthesis of what is known about the evolution of the curiously wonderful organisms of Galápagos, of how they are faring in the tumultuous world of human-induced change, and how evolution can guide efforts today for their conservation. In eight case-study chapters, the book looks at each organism’s ancestry, at how and when it came to Galápagos, and how and why it changed since its arrival, all with an eye to its conservation today. Such analysis often provides surprises and suggestions not previously considered, like the potential benefits to joint conservation efforts with tree daisies and tree finches, for example, or ways that a new explanation for peculiar behaviors in Nazca and blue-footed boobies can benefit both species today. In each chapter, a social-ecological systems framework is used, because human influence is always present, and because it allows an explicit link to evolution. We see how the evolutionary fitnesses of Galápagos organisms are now a product of both ecological conditions and human impact, including climate change. Historically, Galápagos has played a central role in the understanding of evolution; what it now offers to teach us about conservation may well prove indispensable for the future of the planet.

scholarly journals Aligning accreditation and academic program reviews: a Canadian case study

2017 ◽  
Vol 25 (3) ◽  
pp. 287-302 ◽  
Author(s):  
Lynne Bowker
Keyword(s):  
Professional Associations ◽  
Academic Program ◽  
Content Type ◽  
Post Secondary ◽  
Study Approach ◽  
Academic Units ◽  
Potential Benefits ◽  
Set Up ◽  
Program Reviews

Purpose This paper aims to investigate the potential benefits and limitations associated with aligning accreditation and academic program reviews in post-secondary institutions, using a descriptive case study approach. Design/methodology/approach The paper describes two Canadian graduate programs that are subject to both external professional accreditation and institutional cyclical reviews, as they underwent an aligned review. The process was developed as a collaborative effort between the academic units, the professional associations and the university’s graduate-level quality assurance office. For each program, a single self-study was developed, a single review panel was constituted, and a single site visit was conducted. The merits and challenges posed by the alignment process are discussed. Findings Initial feedback from the academic units suggests that the alignment of accreditation and program reviews is perceived as reducing the burden on programs with regard to the time and effort invested by faculty, staff and other stakeholders, as well as in terms of financial expenses. Based on this feedback, along with input from reviewers and program evaluation committee members, 14 recommendations emerged for ways in which an aligned review process can be set up for success. Practical implications The results suggest that aligned reviews are not only resource-efficient but also allow reviewers to provide more holistic feedback that faculty may be more willing to engage with for program enhancement. Originality/value The present study contributes to the existing body of knowledge about conducting aligned reviews in response to external accreditation requirements or institutional needs. It summarizes the potential benefits and limitations and offers recommendations for potential best practices for carrying out aligned reviews for policymakers and practitioners.

Sign in / Sign up

Export Citation Format

Share Document