Round-the-clock service for Uber's new Express Pool has rolled out in LA, Philadelphia, Washington, Miami, San Diego and Denver.
Ride-hailing apps add traffic to streets. But they also help ease parking woes.
The ride-sharing service grew more than 300 percent in Colorado over the last year, according to a new report.
The Public Utilities Commission is looking to limit driver hours on the road and ensure proper vehicle inspections.