Roadway Congestion Index in
US Urban Areas over 1,000,000: 1982-1997

Rank Urban Area 1982 1997 Change
1 Minneapolis-St. Paul MN 0.70 1.13 61.4%
2 Sacramento CA 0.71 1.14 60.6%
3 Las Vegas NV 0.67 1.07 59.7%
4 San Bernardino-Riverside CA 0.73 1.15 57.5%
5 Portland-Vancouver OR-WA 0.79 1.22 54.4%
6 Ft. Lauderdale-Hollywood-Pompano Bch FL 0.70 1.08 54.3%
7 Atlanta GA 0.85 1.23 44.7%
8 San Jose CA 0.76 1.08 42.1%
9 Denver CO 0.77 1.08 40.3%
10 San Diego CA 0.80 1.12 40.0%
11 Boston MA 0.91 1.24 36.3%
12 Chicago IL-Northwestern IN 0.94 1.28 36.2%
13 Kansas City MO-KS 0.56 0.76 35.7%
14 Dallas TX 0.77 1.04 35.1%
15 Cleveland OH 0.75 1.01 34.7%
16 Baltimore MD 0.78 1.05 34.6%
17 Washington DC-MD-VA 0.99 1.33 34.3%
18 Cincinnati OH-KY 0.81 1.08 33.3%
19 Milwaukee WI 0.76 1.01 32.9%
20 Miami-Hialeah FL 0.97 1.26 29.9%
21 San Francisco-Oakland CA 1.04 1.33 27.9%
22 St. Louis MO-IL 0.81 1.03 27.2%
23 San Antonio TX 0.73 0.92 26.0%
24 Fort Worth TX 0.73 0.91 24.7%
25 Detroit MI 0.98 1.18 20.4%
26 Phoenix AZ 0.94 1.13 20.2%
27 Buffalo-Niagara Falls NY 0.60 0.72 20.0%
28 Seattle-Everett WA 1.05 1.26 20.0%
29 New York NY-Northeastern NJ 0.94 1.11 18.1%
30 New Orleans LA 0.89 0.99 11.2%
31 Los Angeles CA 1.39 1.51 8.6%
32 Philadelphia PA-NJ 0.98 1.05 7.1%
33 Pittsburgh PA 0.72 0.76 5.6%
34 Houston TX 1.09 1.07 -1.8%
Source: Calculated from Texas Transportation Institute data
1982 is first year of data series

(c) 2000 www.publicpurpose.com --- Wendell Cox Consultancy --- Permission granted to use with attribution.
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