Urban public transit agencies spend billions of dollars each year on workers, durable capital and energy to supply transportation services. During a time of rising concern about climate change, the urban public transit sector has not significantly reduced its carbon footprint. Using data for the...

This paper describes the evolution of high-occupancy vehicle lanes (HOV) and high-occupancy toll lanes (HOT) lanes in the United States. It evaluates their performance and analyses the impact on carpooling and public transport. The demographics of HOV and HOT lane users and the implications for...

As vital organs of the city, streets and sidewalks not only move people but bring them together. When well designed and operated, they support commerce, encourage social capital, enable healthy behaviors such as biking and walking, and produce cleaner air. Conversely, these vital organs, when...

As new innovations in mobility have entered the marketplace, local government leaders have struggled to adapt their regulatory framework to adequately address new challenges or the needs of the consumers of these new services. The good news is that the technology driving this rapid change also...