Table 1-65: Annual Roadway Congestion Index
Table 1-65: Annual Roadway Congestion Index
Population group | Urban area | 1982 | 1985 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | Points change | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Short-term 2000-2005 | Long-term 1982-2005 | ||||||||||||||||||||||
Points | Ranka | Points | Ranka | ||||||||||||||||||||
Medium | Akron, OH | 0.50 | 0.54 | 0.68 | 0.69 | 0.71 | 0.76 | 0.79 | 0.78 | 0.81 | 0.84 | 0.85 | 0.85 | 0.86 | 0.85 | 0.85 | 0.86 | 0.89 | 0.87 | 1 | 62 | 37 | 29 |
Medium | Albany-Schenectady, NY | 0.42 | 0.45 | 0.57 | 0.58 | 0.62 | 0.63 | 0.64 | 0.64 | 0.67 | 0.69 | 0.70 | 0.71 | 0.73 | 0.75 | 0.76 | 0.78 | 0.81 | 0.81 | 8 | 15 | 39 | 22 |
Medium | Albuquerque, NM | 0.65 | 0.71 | 0.85 | 0.86 | 0.89 | 0.93 | 0.96 | 0.99 | 1.04 | 1.06 | 1.08 | 1.05 | 1.02 | 1.00 | 0.97 | 0.95 | 0.97 | 0.99 | -3 | 78 | 34 | 38 |
Medium | Allentown-Bethlehem, PA-NJ | 0.64 | 0.68 | 0.76 | 0.78 | 0.83 | 0.87 | 0.90 | 0.92 | 0.96 | 0.98 | 0.98 | 0.98 | 0.97 | 0.95 | 0.93 | 0.92 | 0.95 | 0.95 | -2 | 74 | 31 | 48 |
Small | Anchorage, AK | 0.75 | 0.75 | 0.72 | 0.72 | 0.71 | 0.70 | 0.72 | 0.71 | 0.70 | 0.70 | 0.71 | 0.72 | 0.73 | 0.75 | 0.76 | 0.76 | 0.76 | 0.76 | 3 | 48 | 1 | 85 |
Very large | Atlanta, GA | 0.83 | 0.93 | 1.02 | 1.04 | 1.06 | 1.11 | 1.18 | 1.21 | 1.25 | 1.29 | 1.31 | 1.35 | 1.36 | 1.35 | 1.35 | 1.36 | 1.36 | 1.34 | -2 | 74 | 51 | 9 |
Medium | Austin, TX | 0.74 | 0.81 | 0.90 | 0.90 | 0.88 | 0.88 | 0.90 | 0.93 | 0.98 | 1.00 | 1.03 | 1.06 | 1.11 | 1.15 | 1.14 | 1.14 | 1.14 | 1.16 | 5 | 38 | 42 | 18 |
Small | Bakersfield, CA | 0.50 | 0.57 | 0.65 | 0.67 | 0.69 | 0.68 | 0.70 | 0.71 | 0.72 | 0.74 | 0.77 | 0.78 | 0.75 | 0.76 | 0.78 | 0.78 | 0.81 | 0.83 | 8 | 19 | 33 | 42 |
Large | Baltimore, MD | 0.75 | 0.81 | 0.95 | 0.96 | 0.96 | 0.97 | 0.99 | 1.02 | 1.02 | 1.03 | 1.04 | 1.05 | 1.09 | 1.12 | 1.18 | 1.20 | 1.20 | 1.21 | 12 | 9 | 46 | 15 |
Small | Beaumont, TX | 0.56 | 0.57 | 0.61 | 0.63 | 0.64 | 0.64 | 0.64 | 0.65 | 0.68 | 0.68 | 0.68 | 0.70 | 0.71 | 0.73 | 0.75 | 0.75 | 0.76 | 0.78 | 7 | 22 | 22 | 72 |
Medium | Birmingham, AL | 0.59 | 0.65 | 0.74 | 0.75 | 0.75 | 0.77 | 0.80 | 0.82 | 0.85 | 0.88 | 0.91 | 0.93 | 0.94 | 0.94 | 0.95 | 0.97 | 0.98 | 1.00 | 6 | 26 | 41 | 19 |
Very large | Boston, MA-NH-RI | 0.81 | 0.90 | 1.05 | 1.05 | 1.06 | 1.05 | 1.05 | 1.06 | 1.07 | 1.08 | 1.10 | 1.11 | 1.11 | 1.11 | 1.10 | 1.10 | 1.11 | 1.11 | 0 | 66 | 30 | 51 |
Small | Boulder, CO | 0.73 | 0.75 | 0.79 | 0.82 | 0.84 | 0.85 | 0.87 | 0.88 | 0.88 | 0.90 | 0.88 | 0.90 | 0.91 | 0.90 | 0.92 | 0.91 | 0.91 | 0.90 | -1 | 70 | 17 | 78 |
Medium | Bridgeport-Stamford, CT-NY | 0.80 | 0.91 | 0.98 | 0.95 | 0.98 | 0.98 | 0.98 | 1.01 | 1.01 | 1.03 | 1.06 | 1.07 | 1.09 | 1.12 | 1.15 | 1.14 | 1.16 | 1.17 | 8 | 20 | 37 | 32 |
Small | Brownsville, TX | 0.53 | 0.53 | 0.62 | 0.62 | 0.64 | 0.67 | 0.66 | 0.69 | 0.71 | 0.71 | 0.74 | 0.78 | 0.81 | 0.81 | 0.83 | 0.82 | 0.84 | 0.78 | -3 | 78 | 25 | 65 |
Large | Buffalo, NY | 0.48 | 0.50 | 0.56 | 0.57 | 0.59 | 0.60 | 0.62 | 0.62 | 0.62 | 0.65 | 0.67 | 0.69 | 0.71 | 0.71 | 0.71 | 0.73 | 0.73 | 0.73 | 2 | 53 | 25 | 65 |
Small | Cape Coral, FL | 0.94 | 0.92 | 0.87 | 0.87 | 0.90 | 0.98 | 1.06 | 1.14 | 1.15 | 1.11 | 1.14 | 1.13 | 1.11 | 1.11 | 1.15 | 1.19 | 1.23 | 1.23 | 12 | 9 | 29 | 56 |
Small | Charleston-North Charleston, SC | 0.85 | 0.89 | 0.94 | 0.95 | 0.98 | 0.99 | 1.02 | 1.01 | 1.00 | 1.01 | 1.04 | 1.04 | 1.05 | 1.03 | 1.05 | 1.08 | 1.08 | 1.08 | 3 | 48 | 23 | 70 |
Medium | Charlotte, NC-SC | 0.78 | 0.89 | 0.91 | 0.91 | 0.90 | 0.87 | 0.86 | 0.86 | 0.93 | 1.00 | 0.99 | 1.03 | 1.07 | 1.08 | 1.10 | 1.09 | 1.10 | 1.11 | 4 | 39 | 33 | 40 |
Very large | Chicago, IL-IN | 0.81 | 0.89 | 1.03 | 1.04 | 1.02 | 1.01 | 1.03 | 1.08 | 1.14 | 1.13 | 1.17 | 1.17 | 1.18 | 1.20 | 1.23 | 1.24 | 1.28 | 1.28 | 10 | 12 | 47 | 13 |
Large | Cincinnati, OH-KY-IN | 0.66 | 0.74 | 0.88 | 0.87 | 0.87 | 0.92 | 0.97 | 0.97 | 1.00 | 1.06 | 1.07 | 1.06 | 1.07 | 1.04 | 1.06 | 1.06 | 1.04 | 1.06 | -1 | 70 | 40 | 20 |
Large | Cleveland, OH | 0.73 | 0.69 | 0.83 | 0.84 | 0.85 | 0.88 | 0.89 | 0.90 | 0.91 | 0.93 | 0.94 | 0.95 | 0.94 | 0.91 | 0.89 | 0.89 | 0.91 | 0.90 | -4 | 81 | 17 | 78 |
Small | Colorado Springs, CO | 0.50 | 0.56 | 0.61 | 0.60 | 0.62 | 0.64 | 0.66 | 0.70 | 0.72 | 0.77 | 0.80 | 0.83 | 0.86 | 0.88 | 0.87 | 0.85 | 0.81 | 0.88 | 2 | 53 | 38 | 26 |
Small | Columbia, SC | 0.57 | 0.65 | 0.73 | 0.73 | 0.74 | 0.74 | 0.75 | 0.77 | 0.77 | 0.79 | 0.81 | 0.84 | 0.87 | 0.88 | 0.88 | 0.89 | 0.89 | 0.90 | 3 | 48 | 33 | 40 |
Large | Columbus, OH | 0.60 | 0.68 | 0.86 | 0.87 | 0.89 | 0.93 | 0.95 | 0.98 | 1.02 | 1.04 | 1.04 | 1.03 | 1.02 | 1.07 | 1.07 | 1.08 | 1.10 | 1.09 | 7 | 22 | 49 | 10 |
Small | Corpus Christi, TX | 0.55 | 0.63 | 0.68 | 0.67 | 0.66 | 0.64 | 0.65 | 0.65 | 0.67 | 0.71 | 0.71 | 0.71 | 0.70 | 0.71 | 0.71 | 0.72 | 0.75 | 0.75 | 5 | 32 | 20 | 75 |
Very large | Dallas -Fort Worth-Arlington, TX | 0.71 | 0.82 | 0.95 | 0.96 | 0.96 | 0.96 | 0.96 | 0.96 | 0.97 | 1.02 | 1.04 | 1.07 | 1.11 | 1.13 | 1.13 | 1.18 | 1.20 | 1.26 | 15 | 3 | 55 | 6 |
Medium | Dayton, OH | 0.80 | 0.79 | 0.85 | 0.85 | 0.84 | 0.88 | 0.82 | 0.89 | 0.90 | 0.91 | 0.91 | 0.90 | 0.89 | 0.89 | 0.89 | 0.90 | 0.95 | 0.93 | 4 | 39 | 13 | 81 |
Large | Denver-Aurora, CO | 0.82 | 0.83 | 0.89 | 0.91 | 0.92 | 0.95 | 0.98 | 1.03 | 1.07 | 1.09 | 1.13 | 1.16 | 1.17 | 1.17 | 1.15 | 1.16 | 1.13 | 1.18 | 1 | 62 | 36 | 33 |
Very large | Detroit, MI | 0.91 | 0.96 | 1.06 | 1.08 | 1.12 | 1.13 | 1.12 | 1.13 | 1.15 | 1.15 | 1.16 | 1.17 | 1.19 | 1.21 | 1.22 | 1.23 | 1.23 | 1.24 | 5 | 32 | 33 | 42 |
Medium | El Paso, TX-NM | 0.60 | 0.66 | 0.71 | 0.76 | 0.80 | 0.81 | 0.83 | 0.83 | 0.83 | 0.84 | 0.87 | 0.91 | 0.94 | 0.97 | 0.99 | 1.01 | 1.05 | 1.07 | 13 | 6 | 47 | 12 |
Small | Eugene, OR | 0.69 | 0.70 | 0.75 | 0.75 | 0.75 | 0.79 | 0.78 | 0.80 | 0.82 | 0.83 | 0.85 | 0.88 | 0.91 | 0.88 | 0.88 | 0.92 | 0.92 | 0.93 | 2 | 53 | 24 | 67 |
Medium | Fresno, CA | 0.68 | 0.73 | 0.80 | 0.81 | 0.82 | 0.83 | 0.82 | 0.84 | 0.86 | 0.87 | 0.90 | 0.91 | 0.94 | 0.91 | 0.92 | 0.91 | 0.91 | 0.94 | 0 | 66 | 26 | 64 |
Medium | Grand Rapids, MI | 0.56 | 0.61 | 0.71 | 0.74 | 0.80 | 0.86 | 0.85 | 0.84 | 0.84 | 0.86 | 0.88 | 0.87 | 0.86 | 0.86 | 0.85 | 0.84 | 0.84 | 0.85 | -1 | 70 | 29 | 58 |
Medium | Hartford, CT | 0.58 | 0.63 | 0.70 | 0.73 | 0.87 | 0.78 | 0.79 | 0.81 | 0.82 | 0.84 | 0.86 | 0.89 | 0.92 | 0.92 | 0.93 | 0.93 | 0.94 | 0.95 | 3 | 52 | 37 | 29 |
Medium | Honolulu, HI | 0.82 | 0.88 | 1.04 | 1.04 | 1.06 | 1.06 | 1.08 | 1.08 | 1.08 | 1.06 | 1.06 | 1.06 | 1.04 | 1.04 | 1.04 | 1.06 | 1.07 | 1.08 | 4 | 39 | 26 | 62 |
Very large | Houston, TX | 0.99 | 1.05 | 1.00 | 0.96 | 0.95 | 0.97 | 0.99 | 1.02 | 1.04 | 1.07 | 1.10 | 1.14 | 1.13 | 1.21 | 1.28 | 1.29 | 1.25 | 1.27 | 14 | 4 | 28 | 59 |
Large | Indianapolis, IN | 0.80 | 0.83 | 0.94 | 0.97 | 1.02 | 1.05 | 1.11 | 1.17 | 1.17 | 1.20 | 1.17 | 1.17 | 1.18 | 1.19 | 1.18 | 1.18 | 1.18 | 1.16 | -2 | 74 | 36 | 35 |
Medium | Jacksonville, FL | 0.79 | 0.83 | 0.94 | 0.94 | 0.95 | 0.95 | 0.97 | 0.98 | 1.01 | 1.00 | 1.00 | 1.00 | 1.02 | 1.01 | 1.03 | 1.06 | 1.09 | 1.10 | 8 | 15 | 31 | 46 |
Large | Kansas City, MO-KS | 0.53 | 0.64 | 0.74 | 0.74 | 0.76 | 0.80 | 0.81 | 0.82 | 0.83 | 0.81 | 0.81 | 0.82 | 0.82 | 0.82 | 0.82 | 0.81 | 0.79 | 0.80 | -2 | 73 | 27 | 61 |
Small | Laredo, TX | 0.41 | 0.45 | 0.47 | 0.50 | 0.51 | 0.52 | 0.54 | 0.58 | 0.64 | 0.63 | 0.63 | 0.67 | 0.66 | 0.71 | 0.71 | 0.74 | 0.74 | 0.76 | 10 | 14 | 35 | 36 |
Large | Las Vegas, NV | 0.69 | 0.66 | 0.94 | 0.97 | 1.02 | 1.09 | 1.09 | 1.10 | 1.11 | 1.08 | 1.09 | 1.14 | 1.18 | 1.16 | 1.20 | 1.24 | 1.28 | 1.31 | 13 | 6 | 62 | 3 |
Small | Little Rock, AR | 0.54 | 0.60 | 0.70 | 0.73 | 0.71 | 0.72 | 0.75 | 0.77 | 0.79 | 0.79 | 0.82 | 0.85 | 0.83 | 0.86 | 0.82 | 0.83 | 0.87 | 0.88 | 5 | 32 | 34 | 38 |
Very large | Los Angeles-Long Beach-Santa Ana, CA | 1.21 | 1.25 | 1.57 | 1.56 | 1.54 | 1.52 | 1.49 | 1.51 | 1.54 | 1.53 | 1.53 | 1.53 | 1.54 | 1.54 | 1.55 | 1.55 | 1.58 | 1.58 | 4 | 39 | 37 | 28 |
Medium | Louisville, KY-IN | 0.83 | 0.82 | 0.83 | 0.89 | 0.94 | 0.98 | 1.01 | 1.02 | 1.04 | 1.07 | 1.09 | 1.10 | 1.10 | 1.09 | 1.12 | 1.14 | 1.16 | 1.14 | 4 | 47 | 31 | 48 |
Medium | Memphis, TN-MS-AR | 0.74 | 0.69 | 0.82 | 0.81 | 0.83 | 0.85 | 0.88 | 0.90 | 0.91 | 0.90 | 0.91 | 0.92 | 0.93 | 0.95 | 0.96 | 0.97 | 0.97 | 0.95 | 2 | 61 | 21 | 73 |
Very Large | Miami, FL | 0.76 | 0.82 | 0.99 | 1.00 | 1.04 | 1.06 | 1.09 | 1.13 | 1.14 | 1.17 | 1.21 | 1.26 | 1.33 | 1.34 | 1.36 | 1.38 | 1.38 | 1.39 | 6 | 31 | 63 | 2 |
Large | Milwaukee, WI | 0.65 | 0.75 | 0.89 | 0.90 | 0.90 | 0.88 | 0.88 | 0.91 | 0.94 | 0.95 | 0.96 | 0.99 | 1.00 | 0.98 | 0.96 | 0.97 | 0.98 | 0.95 | -5 | 82 | 30 | 54 |
Large | Minneapolis-St. Paul, MN | 0.65 | 0.73 | 0.85 | 0.87 | 0.90 | 0.93 | 1.00 | 1.02 | 1.03 | 1.08 | 1.11 | 1.14 | 1.16 | 1.19 | 1.17 | 1.18 | 1.16 | 1.17 | 1 | 62 | 52 | 8 |
Medium | Nashville-Davidson, TN | 0.82 | 0.80 | 0.85 | 0.84 | 0.85 | 0.84 | 0.90 | 0.92 | 0.91 | 0.93 | 0.92 | 0.93 | 0.95 | 0.97 | 0.98 | 1.01 | 1.02 | 1.01 | 6 | 26 | 19 | 76 |
Medium | New Haven, CT | 0.63 | 0.68 | 0.80 | 0.79 | 0.83 | 0.83 | 0.81 | 0.81 | 0.81 | 0.85 | 0.88 | 0.92 | 0.94 | 0.97 | 1.00 | 0.99 | 0.98 | 1.00 | 6 | 26 | 37 | 29 |
Large | New Orleans, LA | 0.86 | 0.91 | 0.89 | 0.89 | 0.89 | 0.88 | 0.93 | 0.94 | 0.91 | 0.92 | 0.96 | 0.96 | 0.94 | 0.93 | 0.94 | 0.94 | 0.95 | 0.96 | 2 | 53 | 10 | 83 |
Very large | New York-Newark, NY-NJ-CT | 0.73 | 0.80 | 0.91 | 0.90 | 0.90 | 0.92 | 0.93 | 0.95 | 0.97 | 1.01 | 1.02 | 1.05 | 1.06 | 1.06 | 1.08 | 1.13 | 1.14 | 1.13 | 7 | 25 | 40 | 21 |
Large | Oklahoma City, OK | 0.63 | 0.69 | 0.70 | 0.72 | 0.73 | 0.77 | 0.77 | 0.81 | 0.83 | 0.85 | 0.86 | 0.88 | 0.87 | 0.89 | 0.89 | 0.89 | 0.89 | 0.89 | 2 | 53 | 26 | 63 |
Medium | Omaha, NE-IA | 0.61 | 0.66 | 0.75 | 0.75 | 0.80 | 0.80 | 0.80 | 0.81 | 0.84 | 0.83 | 0.85 | 0.87 | 0.89 | 0.91 | 0.94 | 0.94 | 0.93 | 0.93 | 4 | 39 | 32 | 44 |
Large | Orlando, FL | 0.72 | 0.83 | 0.96 | 0.99 | 0.98 | 0.96 | 0.98 | 1.00 | 1.03 | 1.07 | 1.10 | 1.12 | 1.16 | 1.22 | 1.20 | 1.20 | 1.20 | 1.20 | 4 | 39 | 48 | 11 |
Medium | Oxnard-Ventura, CA | 0.83 | 0.97 | 1.15 | 1.13 | 1.14 | 1.15 | 1.20 | 1.20 | 1.21 | 1.20 | 1.20 | 1.22 | 1.22 | 1.26 | 1.26 | 1.26 | 1.26 | 1.26 | 4 | 39 | 43 | 16 |
Small | Pensacola, FL-AL | 0.71 | 0.74 | 0.86 | 0.83 | 0.88 | 0.91 | 0.92 | 0.97 | 0.99 | 1.03 | 0.99 | 1.00 | 1.01 | 0.99 | 1.02 | 1.05 | 1.07 | 1.09 | 8 | 15 | 38 | 25 |
Very large | Philadelphia, PA-NJ-DE-MD | 0.83 | 0.85 | 0.95 | 0.92 | 0.94 | 0.92 | 0.94 | 0.95 | 0.95 | 0.99 | 1.01 | 1.03 | 1.04 | 1.07 | 1.09 | 1.09 | 1.10 | 1.12 | 8 | 15 | 29 | 55 |
Very large | Phoenix, AZ | 1.03 | 1.02 | 1.01 | 1.00 | 1.03 | 1.04 | 1.03 | 1.07 | 1.11 | 1.10 | 1.14 | 1.19 | 1.25 | 1.26 | 1.23 | 1.25 | 1.30 | 1.32 | 7 | 22 | 29 | 56 |
Large | Pittsburgh, PA | 0.67 | 0.69 | 0.76 | 0.75 | 0.74 | 0.73 | 0.73 | 0.75 | 0.75 | 0.75 | 0.76 | 0.77 | 0.77 | 0.78 | 0.79 | 0.80 | 0.80 | 0.79 | 2 | 53 | 12 | 82 |
Large | Portland, OR-WA | 0.87 | 0.89 | 1.00 | 1.01 | 1.03 | 1.05 | 1.07 | 1.11 | 1.15 | 1.18 | 1.18 | 1.20 | 1.21 | 1.20 | 1.20 | 1.20 | 1.22 | 1.23 | 2 | 53 | 36 | 33 |
Large | Providence, RI-MA | 0.55 | 0.54 | 0.70 | 0.70 | 0.70 | 0.72 | 0.73 | 0.75 | 0.77 | 0.78 | 0.85 | 0.87 | 0.88 | 0.91 | 0.91 | 0.93 | 0.94 | 0.94 | 6 | 30 | 39 | 23 |
Medium | Raleigh-Durham, NC | 0.63 | 0.75 | 0.85 | 0.85 | 0.87 | 0.86 | 0.88 | 0.92 | 0.92 | 0.95 | 0.94 | 0.94 | 0.96 | 0.96 | 0.98 | 0.97 | 0.99 | 1.01 | 5 | 32 | 38 | 26 |
Medium | Richmond, VA | 0.61 | 0.58 | 0.75 | 0.78 | 0.81 | 0.79 | 0.84 | 0.86 | 0.84 | 0.80 | 0.77 | 0.75 | 0.77 | 0.77 | 0.79 | 0.81 | 0.82 | 0.82 | 5 | 36 | 21 | 73 |
Large | Riverside-San Bernardino, CA | 0.76 | 0.89 | 1.14 | 1.17 | 1.16 | 1.14 | 1.11 | 1.16 | 1.17 | 1.15 | 1.19 | 1.24 | 1.26 | 1.29 | 1.36 | 1.43 | 1.45 | 1.44 | 18 | 1 | 68 | 1 |
Medium | Rochester, NY | 0.48 | 0.52 | 0.63 | 0.64 | 0.66 | 0.66 | 0.68 | 0.71 | 0.71 | 0.70 | 0.70 | 0.72 | 0.74 | 0.73 | 0.73 | 0.74 | 0.78 | 0.78 | 4 | 39 | 30 | 51 |
Large | Sacramento, CA | 0.75 | 0.88 | 1.10 | 1.10 | 1.08 | 1.08 | 1.10 | 1.12 | 1.16 | 1.13 | 1.17 | 1.19 | 1.23 | 1.26 | 1.29 | 1.31 | 1.35 | 1.36 | 13 | 6 | 61 | 4 |
Small | Salem, OR | 0.58 | 0.66 | 0.82 | 0.84 | 0.84 | 0.85 | 0.85 | 0.84 | 0.83 | 0.85 | 0.88 | 0.88 | 0.89 | 0.89 | 0.91 | 0.88 | 0.87 | 0.89 | 0 | 66 | 31 | 46 |
Medium | Salt Lake City, UT | 0.72 | 0.77 | 0.88 | 0.92 | 0.95 | 0.99 | 1.05 | 1.07 | 1.07 | 1.03 | 1.01 | 1.00 | 1.05 | 1.06 | 1.07 | 1.07 | 1.07 | 1.06 | 1 | 62 | 34 | 37 |
Large | San Antonio, TX | 0.68 | 0.78 | 0.75 | 0.75 | 0.77 | 0.78 | 0.82 | 0.86 | 0.89 | 0.92 | 0.96 | 1.01 | 1.04 | 1.03 | 1.05 | 1.06 | 1.10 | 1.10 | 6 | 26 | 42 | 17 |
Large | San Diego, CA | 0.83 | 0.93 | 1.23 | 1.22 | 1.22 | 1.20 | 1.21 | 1.22 | 1.22 | 1.22 | 1.23 | 1.28 | 1.33 | 1.37 | 1.37 | 1.37 | 1.42 | 1.41 | 8 | 20 | 58 | 5 |
Very large | San Francisco-Oakland, CA | 1.01 | 1.13 | 1.31 | 1.30 | 1.29 | 1.30 | 1.29 | 1.31 | 1.32 | 1.33 | 1.34 | 1.36 | 1.38 | 1.35 | 1.39 | 1.40 | 1.39 | 1.40 | 2 | 53 | 39 | 23 |
Large | San Jose, CA | 1.03 | 1.10 | 1.23 | 1.23 | 1.20 | 1.16 | 1.18 | 1.19 | 1.19 | 1.18 | 1.19 | 1.23 | 1.35 | 1.37 | 1.36 | 1.36 | 1.33 | 1.33 | -2 | 74 | 30 | 51 |
Medium | Sarasota-Bradenton, FL | 0.77 | 0.86 | 0.87 | 0.89 | 0.89 | 0.91 | 0.92 | 0.94 | 0.98 | 1.01 | 1.02 | 1.10 | 1.13 | 1.14 | 1.16 | 1.18 | 1.21 | 1.24 | 11 | 11 | 47 | 13 |
Large | Seattle, WA | 0.84 | 0.94 | 1.14 | 1.15 | 1.17 | 1.19 | 1.19 | 1.17 | 1.17 | 1.17 | 1.17 | 1.18 | 1.18 | 1.18 | 1.18 | 1.18 | 1.16 | 1.15 | -3 | 78 | 31 | 48 |
Small | Spokane, WA | 0.53 | 0.59 | 0.64 | 0.67 | 0.71 | 0.75 | 0.75 | 0.75 | 0.75 | 0.76 | 0.77 | 0.77 | 0.76 | 0.76 | 0.75 | 0.76 | 0.73 | 0.70 | -6 | 84 | 17 | 80 |
Medium | Springfield, MA-CT | 0.60 | 0.63 | 0.69 | 0.70 | 0.72 | 0.73 | 0.73 | 0.74 | 0.74 | 0.75 | 0.77 | 0.79 | 0.79 | 0.78 | 0.81 | 0.81 | 0.83 | 0.84 | 5 | 36 | 24 | 68 |
Large | St. Louis, MO-IL | 0.84 | 0.89 | 0.86 | 0.84 | 0.88 | 0.92 | 0.99 | 1.04 | 1.05 | 1.05 | 1.03 | 1.03 | 1.02 | 1.01 | 1.00 | 0.96 | 0.94 | 0.91 | -11 | 85 | 7 | 84 |
Large | Tampa-St. Petersburg, FL | 1.04 | 1.09 | 1.13 | 1.18 | 1.17 | 1.18 | 1.18 | 1.16 | 1.14 | 1.14 | 1.13 | 1.12 | 1.13 | 1.17 | 1.20 | 1.21 | 1.26 | 1.27 | 14 | 4 | 23 | 71 |
Medium | Toledo, OH-MI | 0.54 | 0.61 | 0.65 | 0.64 | 0.68 | 0.72 | 0.78 | 0.81 | 0.86 | 0.88 | 0.89 | 0.89 | 0.91 | 0.91 | 0.90 | 0.87 | 0.88 | 0.86 | -5 | 82 | 32 | 45 |
Medium | Tucson, AZ | 0.89 | 0.91 | 0.93 | 0.93 | 0.94 | 0.93 | 0.91 | 0.91 | 0.93 | 0.98 | 0.99 | 1.00 | 1.01 | 1.04 | 1.06 | 1.10 | 1.12 | 1.17 | 16 | 2 | 28 | 60 |
Medium | Tulsa, OK | 0.62 | 0.74 | 0.75 | 0.75 | 0.76 | 0.76 | 0.76 | 0.79 | 0.82 | 0.81 | 0.81 | 0.81 | 0.81 | 0.81 | 0.81 | 0.83 | 0.80 | 0.81 | 0 | 66 | 19 | 76 |
Large | Virginia Beach, VA | 0.78 | 0.82 | 0.85 | 0.83 | 0.83 | 0.84 | 0.87 | 0.89 | 0.92 | 0.95 | 0.96 | 0.98 | 0.99 | 0.99 | 1.02 | 1.02 | 1.02 | 1.02 | 3 | 48 | 24 | 68 |
Very large | Washington, DC-VA-MD | 0.83 | 1.01 | 1.05 | 1.06 | 1.12 | 1.15 | 1.21 | 1.22 | 1.24 | 1.24 | 1.25 | 1.24 | 1.25 | 1.28 | 1.31 | 1.34 | 1.34 | 1.35 | 10 | 12 | 52 | 7 |
NA | 85-Area Averageb | 0.78 | 0.84 | 0.96 | 0.96 | 0.98 | 0.99 | 1.00 | 1.02 | 1.04 | 1.06 | 1.07 | 1.09 | 1.10 | 1.11 | 1.12 | 1.14 | 1.14 | 1.15 | 5 | NA | 37 | NA |
KEY: NA = not applicable.
Very large urban areas - over 3 million population.
Large urban areas - over 1 million and less than 3 million population.
Medium urban areas - over 500,000 and less than 1 million population.
Small urban areas - less than 500,000 population.
a Rank is based on the calculated point change with the highest number corresponding to a rank of 1.
b Average weighted by vehicle miles travled in city.
NOTE
The Roadway Congestion Index (RCI) is a measure of vehicle travel density on major roadways in an urban area. An RCI exceeding 1.0 indicates an undesirable congestion level, on an average, on the freeways and principal arterial street systems during the peak period. The urban areas included are those containing over 500,000 people and several smaller places mostly chosen by previous sponsors of the Texas Transportation Institute study on mobility.
Methodology and data sources have been changed in 2007 and applied retroactively to past years, these figures are not comparable to those in past editions of NTS.
SOURCE
Texas Transportation Institute, The 2007 Annual Urban Mobility Report (College Station, TX: 2007), Internet site http://mobility.tamu.edu as of Nov. 20, 2007.