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![](https://webarchive.library.unt.edu/eot2008/20081006001822im_/http://www.bts.gov/images/spacer.gif) |
TABLE D-1 Travel Time Index by Metro Area: 1993 and 2003
The Travel Time Index (TTI) is the ratio of peak period travel time to free-flow travel time. It expresses the average amount of extra time it takes to travel in the peak period relative to free-flow travel.
Excel | CSV
Akron, OH |
1.06 |
1.07 |
1.06 |
1.09 |
1.11 |
1.11 |
1.11 |
1.10 |
1.10 |
1.09 |
1.09 |
Albany-Schenectady, NY |
1.04 |
1.04 |
1.04 |
1.05 |
1.05 |
1.05 |
1.06 |
1.06 |
1.06 |
1.07 |
1.08 |
Albuquerque, NM |
1.14 |
1.18 |
1.21 |
1.23 |
1.24 |
1.26 |
1.24 |
1.21 |
1.20 |
1.17 |
1.17 |
Allentown-Bethlehem, PA-NJ |
1.12 |
1.13 |
1.13 |
1.15 |
1.15 |
1.15 |
1.14 |
1.15 |
1.15 |
1.15 |
1.14 |
Anchorage, AK |
1.03 |
1.04 |
1.03 |
1.03 |
1.03 |
1.04 |
1.04 |
1.04 |
1.05 |
1.05 |
1.05 |
Atlanta, GA |
1.18 |
1.24 |
1.26 |
1.29 |
1.31 |
1.34 |
1.32 |
1.35 |
1.40 |
1.42 |
1.46 |
Austin, TX |
1.14 |
1.17 |
1.20 |
1.23 |
1.26 |
1.24 |
1.26 |
1.26 |
1.30 |
1.31 |
1.33 |
Bakersfield, CA |
1.04 |
1.04 |
1.04 |
1.05 |
1.05 |
1.06 |
1.05 |
1.06 |
1.06 |
1.06 |
1.07 |
Baltimore, MD |
1.20 |
1.22 |
1.24 |
1.24 |
1.26 |
1.25 |
1.26 |
1.27 |
1.30 |
1.35 |
1.37 |
Beaumont, TX |
1.04 |
1.03 |
1.04 |
1.04 |
1.04 |
1.05 |
1.06 |
1.05 |
1.06 |
1.07 |
1.07 |
Birmingham, AL |
1.08 |
1.10 |
1.11 |
1.12 |
1.13 |
1.15 |
1.15 |
1.15 |
1.15 |
1.16 |
1.17 |
Boston, MA-NH-RI |
1.26 |
1.27 |
1.25 |
1.26 |
1.29 |
1.30 |
1.29 |
1.30 |
1.30 |
1.35 |
1.34 |
Boulder, CO |
1.05 |
1.05 |
1.06 |
1.06 |
1.07 |
1.07 |
1.08 |
1.09 |
1.08 |
1.09 |
1.08 |
Bridgeport-Stamford, CT-NY |
1.15 |
1.17 |
1.19 |
1.18 |
1.21 |
1.24 |
1.28 |
1.27 |
1.27 |
1.30 |
1.29 |
Brownsville, TX |
1.04 |
1.05 |
1.05 |
1.05 |
1.06 |
1.07 |
1.07 |
1.08 |
1.08 |
1.07 |
1.06 |
Buffalo, NY |
1.04 |
1.04 |
1.04 |
1.04 |
1.04 |
1.05 |
1.07 |
1.08 |
1.08 |
1.08 |
1.10 |
Cape Coral, FL |
1.11 |
1.12 |
1.12 |
1.13 |
1.14 |
1.14 |
1.14 |
1.14 |
1.14 |
1.17 |
1.18 |
Charleston-North Charleston, SC |
1.15 |
1.14 |
1.14 |
1.13 |
1.15 |
1.17 |
1.17 |
1.18 |
1.17 |
1.18 |
1.20 |
Charlotte, NC-SC |
1.17 |
1.16 |
1.17 |
1.19 |
1.23 |
1.23 |
1.24 |
1.26 |
1.26 |
1.31 |
1.31 |
Chicago, IL-IN |
1.34 |
1.33 |
1.38 |
1.44 |
1.43 |
1.47 |
1.47 |
1.44 |
1.47 |
1.54 |
1.57 |
Cincinnati, OH-KY-IN |
1.15 |
1.18 |
1.18 |
1.20 |
1.22 |
1.22 |
1.21 |
1.23 |
1.22 |
1.22 |
1.22 |
Cleveland, OH |
1.08 |
1.10 |
1.13 |
1.15 |
1.17 |
1.15 |
1.15 |
1.13 |
1.12 |
1.10 |
1.09 |
Colorado Springs, CO |
1.07 |
1.08 |
1.10 |
1.11 |
1.13 |
1.16 |
1.18 |
1.21 |
1.22 |
1.21 |
1.19 |
Columbia, SC |
1.04 |
1.04 |
1.04 |
1.04 |
1.04 |
1.04 |
1.05 |
1.05 |
1.05 |
1.05 |
1.06 |
Columbus, OH |
1.14 |
1.17 |
1.18 |
1.20 |
1.21 |
1.21 |
1.22 |
1.19 |
1.18 |
1.19 |
1.19 |
Corpus Christi, TX |
1.03 |
1.03 |
1.03 |
1.03 |
1.03 |
1.04 |
1.05 |
1.04 |
1.05 |
1.04 |
1.05 |
Dallas-Fort Worth-Arlington, TX |
1.20 |
1.20 |
1.21 |
1.22 |
1.24 |
1.27 |
1.31 |
1.32 |
1.33 |
1.35 |
1.36 |
Dayton, OH |
1.07 |
1.08 |
1.10 |
1.11 |
1.12 |
1.12 |
1.12 |
1.12 |
1.10 |
1.09 |
1.08 |
Denver-Aurora, CO |
1.24 |
1.24 |
1.30 |
1.33 |
1.37 |
1.39 |
1.38 |
1.41 |
1.45 |
1.40 |
1.40 |
Detroit, MI |
1.36 |
1.33 |
1.32 |
1.33 |
1.35 |
1.36 |
1.35 |
1.33 |
1.35 |
1.36 |
1.38 |
El Paso, TX-NM |
1.07 |
1.09 |
1.08 |
1.07 |
1.09 |
1.10 |
1.14 |
1.16 |
1.17 |
1.17 |
1.17 |
Eugene, OR |
1.05 |
1.05 |
1.05 |
1.06 |
1.06 |
1.07 |
1.09 |
1.12 |
1.11 |
1.10 |
1.11 |
Fresno, CA |
1.12 |
1.11 |
1.13 |
1.13 |
1.16 |
1.18 |
1.20 |
1.19 |
1.16 |
1.15 |
1.14 |
Grand Rapids, MI |
1.11 |
1.11 |
1.10 |
1.11 |
1.12 |
1.16 |
1.15 |
1.14 |
1.13 |
1.13 |
1.14 |
Hartford, CT |
1.07 |
1.07 |
1.08 |
1.08 |
1.10 |
1.11 |
1.11 |
1.11 |
1.12 |
1.12 |
1.11 |
Honolulu, HI |
1.21 |
1.22 |
1.23 |
1.23 |
1.20 |
1.21 |
1.21 |
1.19 |
1.19 |
1.18 |
1.19 |
Houston, TX |
1.24 |
1.27 |
1.28 |
1.32 |
1.35 |
1.34 |
1.37 |
1.36 |
1.38 |
1.41 |
1.42 |
Indianapolis, IN |
1.16 |
1.20 |
1.22 |
1.25 |
1.26 |
1.22 |
1.23 |
1.24 |
1.26 |
1.24 |
1.24 |
Jacksonville, FL |
1.14 |
1.14 |
1.18 |
1.17 |
1.16 |
1.14 |
1.14 |
1.15 |
1.15 |
1.16 |
1.18 |
Kansas City, MO-KS |
1.06 |
1.07 |
1.06 |
1.08 |
1.09 |
1.09 |
1.11 |
1.10 |
1.10 |
1.10 |
1.11 |
Laredo, TX |
1.04 |
1.04 |
1.05 |
1.06 |
1.07 |
1.07 |
1.07 |
1.07 |
1.08 |
1.07 |
1.08 |
Las Vegas, NV |
1.24 |
1.28 |
1.27 |
1.30 |
1.33 |
1.33 |
1.34 |
1.34 |
1.35 |
1.36 |
1.39 |
Little Rock, AK |
1.03 |
1.03 |
1.03 |
1.04 |
1.04 |
1.05 |
1.06 |
1.05 |
1.07 |
1.06 |
1.06 |
Los Angeles-Long Beach-Santa Ana, CA |
1.73 |
1.64 |
1.72 |
1.78 |
1.77 |
1.83 |
1.80 |
1.76 |
1.78 |
1.77 |
1.75 |
Louisville, KY-IN |
1.15 |
1.16 |
1.16 |
1.19 |
1.21 |
1.22 |
1.24 |
1.23 |
1.22 |
1.24 |
1.24 |
Memphis, TN-MS-AR |
1.11 |
1.14 |
1.17 |
1.18 |
1.19 |
1.19 |
1.19 |
1.19 |
1.20 |
1.22 |
1.22 |
Miami, FL |
1.26 |
1.26 |
1.28 |
1.29 |
1.30 |
1.31 |
1.34 |
1.35 |
1.37 |
1.40 |
1.42 |
Milwaukee, WI |
1.17 |
1.16 |
1.19 |
1.20 |
1.20 |
1.22 |
1.25 |
1.24 |
1.23 |
1.23 |
1.21 |
Minneapolis-St. Paul, MN |
1.16 |
1.20 |
1.22 |
1.23 |
1.30 |
1.32 |
1.35 |
1.32 |
1.34 |
1.34 |
1.34 |
Nashville-Davidson, TN |
1.09 |
1.12 |
1.13 |
1.14 |
1.16 |
1.15 |
1.17 |
1.18 |
1.17 |
1.19 |
1.18 |
New Haven, CT |
1.08 |
1.09 |
1.09 |
1.07 |
1.09 |
1.12 |
1.13 |
1.14 |
1.15 |
1.14 |
1.13 |
New Orleans, LA |
1.16 |
1.20 |
1.20 |
1.20 |
1.19 |
1.19 |
1.20 |
1.18 |
1.17 |
1.18 |
1.19 |
New York-Newark, NY-NJ-CT |
1.28 |
1.31 |
1.33 |
1.34 |
1.36 |
1.36 |
1.40 |
1.38 |
1.38 |
1.40 |
1.39 |
Oklahoma City, OK |
1.04 |
1.04 |
1.06 |
1.07 |
1.09 |
1.09 |
1.11 |
1.09 |
1.10 |
1.11 |
1.10 |
Omaha, NE-IA |
1.10 |
1.12 |
1.12 |
1.14 |
1.13 |
1.14 |
1.15 |
1.15 |
1.16 |
1.17 |
1.18 |
Orlando, FL |
1.21 |
1.20 |
1.21 |
1.22 |
1.24 |
1.27 |
1.27 |
1.28 |
1.30 |
1.31 |
1.30 |
Oxnard-Ventura, CA |
1.10 |
1.14 |
1.15 |
1.16 |
1.14 |
1.15 |
1.19 |
1.19 |
1.21 |
1.21 |
1.23 |
Pensacola, FL-AL |
1.11 |
1.10 |
1.11 |
1.10 |
1.12 |
1.12 |
1.12 |
1.14 |
1.12 |
1.12 |
1.12 |
Philadelphia, PA-NJ-DE-MD |
1.20 |
1.21 |
1.24 |
1.27 |
1.27 |
1.33 |
1.33 |
1.31 |
1.35 |
1.35 |
1.32 |
Phoenix, AZ |
1.27 |
1.28 |
1.24 |
1.30 |
1.33 |
1.31 |
1.38 |
1.38 |
1.40 |
1.35 |
1.35 |
Pittsburgh, PA |
1.09 |
1.09 |
1.10 |
1.10 |
1.10 |
1.11 |
1.12 |
1.10 |
1.10 |
1.10 |
1.10 |
Portland, OR-WA |
1.24 |
1.25 |
1.28 |
1.31 |
1.35 |
1.34 |
1.37 |
1.37 |
1.39 |
1.38 |
1.37 |
Providence, RI-MA |
1.11 |
1.11 |
1.12 |
1.14 |
1.12 |
1.13 |
1.14 |
1.15 |
1.15 |
1.18 |
1.19 |
Raleigh-Durham, NC |
1.12 |
1.13 |
1.14 |
1.13 |
1.15 |
1.15 |
1.14 |
1.16 |
1.19 |
1.18 |
1.19 |
Richmond, VA |
1.07 |
1.08 |
1.11 |
1.11 |
1.09 |
1.09 |
1.09 |
1.07 |
1.07 |
1.08 |
1.09 |
Riverside-San Bernardino, CA |
1.27 |
1.23 |
1.26 |
1.28 |
1.27 |
1.31 |
1.33 |
1.33 |
1.32 |
1.34 |
1.37 |
Rochester, NY |
1.04 |
1.04 |
1.05 |
1.05 |
1.06 |
1.05 |
1.06 |
1.06 |
1.06 |
1.06 |
1.07 |
Sacramento, CA |
1.19 |
1.22 |
1.21 |
1.24 |
1.23 |
1.25 |
1.27 |
1.29 |
1.32 |
1.34 |
1.37 |
Salem, OR |
1.06 |
1.07 |
1.06 |
1.07 |
1.07 |
1.08 |
1.08 |
1.08 |
1.09 |
1.11 |
1.11 |
Salt Lake City, UT |
1.13 |
1.15 |
1.17 |
1.17 |
1.15 |
1.16 |
1.17 |
1.18 |
1.23 |
1.26 |
1.28 |
San Antonio, TX |
1.07 |
1.08 |
1.12 |
1.12 |
1.13 |
1.16 |
1.22 |
1.24 |
1.22 |
1.23 |
1.22 |
San Diego, CA |
1.22 |
1.22 |
1.22 |
1.23 |
1.25 |
1.26 |
1.32 |
1.32 |
1.32 |
1.40 |
1.41 |
San Francisco-Oakland, CA |
1.44 |
1.40 |
1.45 |
1.45 |
1.42 |
1.47 |
1.49 |
1.54 |
1.54 |
1.55 |
1.54 |
San Jose, CA |
1.34 |
1.33 |
1.34 |
1.33 |
1.30 |
1.34 |
1.39 |
1.42 |
1.43 |
1.39 |
1.37 |
Sarasota-Bradenton, FL |
1.18 |
1.19 |
1.16 |
1.19 |
1.19 |
1.20 |
1.24 |
1.22 |
1.22 |
1.25 |
1.25 |
Seattle, WA |
1.35 |
1.34 |
1.36 |
1.36 |
1.40 |
1.39 |
1.40 |
1.35 |
1.35 |
1.36 |
1.38 |
Spokane, WA |
1.08 |
1.08 |
1.06 |
1.06 |
1.07 |
1.08 |
1.08 |
1.08 |
1.07 |
1.07 |
1.08 |
Springfield, MA-CT |
1.06 |
1.05 |
1.06 |
1.06 |
1.06 |
1.06 |
1.07 |
1.07 |
1.06 |
1.07 |
1.06 |
St. Louis, MO-IL |
1.18 |
1.19 |
1.21 |
1.21 |
1.24 |
1.24 |
1.25 |
1.25 |
1.23 |
1.24 |
1.22 |
Tampa-St. Petersburg, FL |
1.30 |
1.32 |
1.32 |
1.31 |
1.29 |
1.28 |
1.29 |
1.27 |
1.31 |
1.31 |
1.33 |
Toledo, OH-MI |
1.04 |
1.05 |
1.06 |
1.06 |
1.07 |
1.08 |
1.09 |
1.10 |
1.11 |
1.11 |
1.10 |
Tucson, AZ |
1.14 |
1.15 |
1.15 |
1.15 |
1.19 |
1.20 |
1.20 |
1.19 |
1.22 |
1.28 |
1.31 |
Tulsa, OK |
1.05 |
1.05 |
1.06 |
1.07 |
1.08 |
1.08 |
1.09 |
1.10 |
1.10 |
1.10 |
1.10 |
Virginia Beach, VA |
1.13 |
1.15 |
1.16 |
1.18 |
1.18 |
1.19 |
1.19 |
1.16 |
1.18 |
1.20 |
1.21 |
Washington, DC-VA-MD |
1.38 |
1.37 |
1.40 |
1.44 |
1.43 |
1.46 |
1.47 |
1.44 |
1.46 |
1.50 |
1.51 |
85-Area Average |
1.28 |
1.27 |
1.29 |
1.31 |
1.32 |
1.34 |
1.35 |
1.34 |
1.35 |
1.37 |
1.37 |
Very Large Area Average |
1.38 |
1.37 |
1.40 |
1.43 |
1.43 |
1.46 |
1.46 |
1.45 |
1.47 |
1.49 |
1.48 |
Large Area Average |
1.19 |
1.20 |
1.21 |
1.23 |
1.24 |
1.25 |
1.26 |
1.26 |
1.27 |
1.28 |
1.28 |
Medium Area Average |
1.11 |
1.12 |
1.13 |
1.14 |
1.15 |
1.15 |
1.16 |
1.16 |
1.17 |
1.18 |
1.18 |
Small Area Average |
1.06 |
1.06 |
1.07 |
1.07 |
1.08 |
1.08 |
1.09 |
1.10 |
1.10 |
1.10 |
1.10 |
NOTE: To determine the increased travel time, a TTI of 1.3, for example, indicates a 20-minute free-flow trip will take 26 minutes during the peak travel time periods, a 6-minute (30 percent) travel time penalty.
SOURCE: Texas A&M University, Texas Transportation Institute, 2005 Urban Mobility Report (College Station, TX: 2005), also available at http://tti.tamu.edu/, as of July 2006.
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![](https://webarchive.library.unt.edu/eot2008/20081006001822im_/http://www.bts.gov/images/spacer.gif) |