Shared Mobility

Zero-emission vehicle exposure within U.S. carsharing fleets and impacts on sentiment toward electric-drive vehicles

Susan Shaheen, PhD, Elliot Martin, and Hannah Totte

Reducing carbon emissions from the United States (U.S.) transportation sector has emerged as a priority action to combat climate changeCarsharing and zeroemission vehicles (ZEVs) could be integral to creating a more sustainable transportation system. This paper presents the results of a study that evaluated the impacts of ZEV...

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

Susan Shaheen, PhD, Elliot Martin, PhD, and Mikaela Hoffman-Stapleton

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 in 2014 (n = 1,151). Eleven per cent of respondents used carpooling/ridesharing more, and 19% avoided a vehicle purchase due to P2P vehicle access in urban areas. Nevertheless, P2P carsharing has the potential to operate in a range of land-use environments and could be an important strategy to further deemphasize car ownership. Additionally, as the deployment of automated vehicles (AVs) is...

Carsharing's Impact and Future

Susan Shaheen, PhD, Adam Cohen, and Emily Farrar

Carsharing provides members access to a fleet of autos for short-term use throughout the day, reducing the need for one or more personal vehicles. This chapter reviews key terms and definitions for carsharing, common carsharing business models, and existing impact studies. Next, the chapter discusses the commodification and aggregation of mobility services and the role of Mobility on Demand (MOD) and Mobility as a Service (MaaS) on carsharing. Finally, the chapter concludes with a discussion of how the convergence of electrification and automation is changing carsharing, leading to...

Innovative Mobility Carsharing Outlook - Winter 2020

Susan Shaheen, PhD and Adam Cohen

Since 1998, 94 carsharing programs have been deployed in North America - 40 are operational and 52 are defunct. As of January 1, 2018, there were 18 active programs in Canada, 21 in the United States (U.S.), and one program in Mexico. In North America, carsharing membership totaled approximately 2,110,111 members sharing 23,376 vehicles. The three largest carsharing operators in the U.S. and Canada accounted for 91% and 86% of the total membership, respectively. Only one operator provided service in Mexico as of January 2018.

Innovative Mobility Carsharing Outlook - Spring 2020

Susan Shaheen, PhD and Adam Cohen

Worldwide carsharing market overview, analysis and trends up to Spring 2020.

Roundtrip Carsharing in New York City: An Evaluation of a Pilot Program and System Impacts

Elliot Martin, Adam Stocker, Aqshems Nichols, Susan Shaheen

The study found that roundtrip carsharing in NYC mostly serves as a substitute for car rental, other personal vehicle modes, and personal vehicle ownership. The analysis showed that the broader pilot program had a modest impact on user behavior through carsharing (i.e., reduced vehicle ownership, reduced VMT, and mode shift). It also found that the pilot program likely expanded the membership base of carsharing to demographic cohorts that are traditionally underrepresented in carsharing populations (i.e., increased participation by lower education levels, lower household incomes,...

Evaluating Public Transit Modal Shift Dynamics In Response to Bikesharing: A Tale of Two U.S. Cities

Elliot Martin, PhD
Susan Shaheen, PhD

Public bikesharing—the shared use of a bicycle fleet—has recently emerged in major North American cities. Bikesharing has been found to decrease driving and increase bicycling. But shifts in public transit have been mixed. The authors evaluate survey data from two U.S. cities to explore who is shifting toward and away from public transit as a result of bikesharing. The authors explore this question by mapping geocoded home and work locations of respondents within Washington DC and Minneapolis. Respondents were mapped by their modal shift toward or away from bus and rail transit. The...

Tercer Informe Anual del Estado de al Industria de La Micromovilidad Compartida

La Asociación Norteamericana de Bicicletas y Monopatines Compartidos (North American Bikeshare & Scootershare Association – NABSA)

La Asociación Norteamericana de Bicicletas y Monopatines Compartidos (North American Bikeshare & Scootershare Association – NABSA) se complace en presentar nuestro tercer informe anual sobre el estado del sector de la micromovilidad compartida. En 2021, el sector continuó respondiendo a la pandemia del COVID-19, y la micromovilidad compartida cubrió vacíos críticos en la movilidad esencial. El sector siguió recuperándose y demostrando una enorme resiliencia, con un número de sistemas que supera los niveles anteriores a la pandemia. Este informe hace un
seguimiento de este progreso y...

3rd Annual Shared Micromobility State of the Industry Report

North American Bikeshare & Scootershare Association

NABSA is pleased to present our third annual Shared Micromobility State of the Industry Report. In 2021, the industry continued to respond to the COVID-19 pandemic with shared micromobility filling critical gaps in essential mobility. The industry continued to rebound and demonstrate tremendous resilience, with the number of systems growing past pre-pandemic levels. This report tracks that progress and the trends that are emerging in the industry.

To inform this report, we have collected data across a wide variety of topics, including ridership metrics, user profiles, employment,...

Shared Micromobility: Policy, Practices, and Emerging Futures

Susan Shaheen, Adam Cohen, Jacquelyn Broader

Shared micromobility services provide travelers with short-term access to shared devices, such as bikes and scooters. Common shared micromobility services include bikesharing and scooter sharing, services that allow these devices to be used for on-demand one-way or roundtrip travel. Advances in internet technology (IT)-based systems led to the growth of shared micromobility since its advent with bikesharing in Europe in the 1960s. However, shared micromobility ridership began to decrease during 2019, in part due to challenges like improper device parking. Generally, shared micromobility...