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  1. Crowd sourcing reveals worst traffic in the United States

    by , 12-08-2009 at 09:42 AM
    TomTom and TeleAtlas use their crowd sourced contributors to plot worst congestion in the United States.
    Congestion is considered traffic that is 70% or less of the posted speed limit.
    TeleAtlas has an audio podcast on this here and a full press release here.

    Rank CITY/REGION % of congested roadways
    1 Seattle, WA 43%
    2 Los Angeles, CA 38%
    3 Chicago, IL 37%
    4 Montgomery County, MD 37%
    5 San Francisco, CA 35%
    6 New York, NY 31%
    7 Washington, DC 30%
    8 San Jose, CA 29%
    9 Alexandria, VA 28%
    10 Oakland, CA (Alameda County) 28% (read more for #20-30)

    11 Atlanta, GA (Cobb County) 27%
    12 Boston, MA 27%
    13 Fairfax County, VA 26%
    14 Philadelphia, PA 25%
    15 Austin, TX 25%
    16 Phoenix, AZ 25%
    17 Long Island, NY (Nassau County) 24%
    18 San Juan, Puerto Rico 24%
    19 Portland, OR 23%
    20 Houston, TX 23%
    21 Contra Costa County, CA 23%
    22 Arlington, VA 23%
    23 Orange County, CA 20%
    24 New Orleans, LA 20%
    25 Norfolk County, MA 20%
    26 Denver, CO 20%
    27 Morris County, NJ 20%
    28 Miami-Dade, FL 20%
    29 Dallas, TX 20%
    30 Charlottesville, VA 19%

    Updated 12-08-2009 at 10:03 AM by optikalefx

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