News bites: Highway headaches

Your morning transportation speed-read:

The Washington, D.C. metro area's new intercounty highway is drawing criticism for its lack of use.
 
Officials in Phoenix are proposing a new light rail.

The panel overseeing the development of a controversial proposed high-speed railway in California has a new CEO.

An expansion of the terminal at Houston's Hobby Airport to make way for international flights has been approved.