Avoidable Chaos? (IMAGE)
Caption
This 2009 photo shows a Houston Fire Department truck ladder flipped on its side and crushing a car. Smart traffic control systems like the one being tested by UA engineers in Arizona's Maricopa County could make scenes like this a thing of the past.
Credit
Photo courtesy KTRK-TV Houston
Usage Restrictions
Please attribute to KTRK-TV Houston
License
Licensed content