Transportation network companies (TNCs), such as Uber and Lyft, have been hypothesized
to both complement and compete with public transit. Existing research on the topic is limited …

The rise of transportation network companies (TNCs) in recent years has revolutionized
urban transportation across the globe. Most noticeably, the increased popularity of TNC …

ABSTRACT 1 Public transit ridership in major US cities has been flat or declining over the
past few years. 2 Several authors have attempted both to explain this trend and to offer …

Recently, there have been growing concerns about the negative impacts of rising
automobile use and road congestion on personal mobility, safety, air quality and climate …

This paper summarizes and updates the findings from an earlier study by the same authors
of transit systems in Houston (all bus) and San Diego (bus and light rail). Both systems …

Public transport ridership has been steadily increasing since the early 2000s in many urban
areas in North America. However, many cities have more recently seen their transit ridership …

What explains transit ridership? The answer to this simple question is both obvious and
complex. Public transit systems carry large shares of person travel in older, larger …

Between 2012 and 2018, bus ridership in the United States declined 15% and rail ridership
declined 3%. These losses are widespread and in contrast to trends in other countries …

Transportation network companies (TNC) provide mobility services that are influencing
travel behavior in unknown ways due to limited TNC trip-level data. How they interact with …

We examine the impact that ridehailing services, such as Uber or Lyft, have had on the
utilization of various modes of public transit in the United States via an agency-level …