How much would you pay to avoid traffic jams on your daily commute? $10? $20? How about $40?
That's how much a tollway in the Virginia suburbs of Washington, D.C., charged for a short time last week. Outraged commuters call it highway robbery.
But transportation officials say the high-priced toll is less about money and more about changing commuter behavior and reducing congestion, and commuters all across the country might soon see more tolls in the future.