2009 Top Congested Metros
Rank Metro Area Change* 1. Los Angeles same 2. New York same 3. Chicago same 4. Washington D.C. 5. Dallas/Fort Worth same 6. Houston 7. San Francisco same 8. Boston same 9. Seattle/Tacoma same 10. Philadelphia View All Metro Rankings *Change in congestion rank from 2008
Here is video of the Singapore electronic congestion control.
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