Expert discusses the traffic impacts of Uber, Lyft

When John Zimmer took a city planning course in college, he had an epiphany: We've built our communities entirely around cars. As a result, we have more traffic and pollution and fewer green spaces, sidewalks and parks. Determined ...

Uber and public transit—friends or foes?

Falling transit ridership across big North American cities has raised concern that Uber, Lyft and other ride-hailing services may be leeching passengers.