| CBSA | 2007 Pop Rank | 2007 Population | Road Miles Analyzed | Drive Time Congestion Rank | % Congested Compared to Worst (LA) | Travel Time Index (TTI) Rank | Travel Time Index(TTI) | TTI 2007 vs. 2006 (%) | Worst Hour | Worst Hour TTI Rank | Worst Hour TTI | All Hours, All Days Congestion Rank | % Congested Compared To Worst (LA) | Drive Time Contribution to Congestion (%) | Non-Drive Time Contribution to Congestion (%) |
| Los Angeles - Long Beach - Santa Ana CA | 2 | 12875587 | 1507 | 1 | 1 | 2 | 1.45 | 1% | Thursday 5 PM | 3 | 1.78 | 1 | 1 | 0.66 | 0.34 |
| New York-Northern New Jersey-Long Island NY-NJ-PA | 1 | 18815988 | 2055 | 2 | 0.88 | 5 | 1.29 | 7% | Friday 5 PM | 5 | 1.64 | 2 | 0.99 | 0.59 | 0.41 |
| Chicago - Naperville - Joliet IL - IN-WI | 3 | 9524673 | 1305 | 3 | 0.44 | 10 | 1.23 | 2% | Friday 5 PM | 11 | 1.45 | 3 | 0.47 | 0.63 | 0.37 |
| Washington - Arlington - Alexandria DC-VA-MD-WV | 8 | 5306565 | 886 | 4 | 0.37 | 8 | 1.28 | 5% | Friday 5 PM | 7 | 1.56 | 4 | 0.36 | 0.67 | 0.33 |
| Dallas - Fort Worth - Arlington TX | 4 | 6145037 | 1528 | 5 | 0.34 | 22 | 1.15 | 3% | Friday 5 PM | 23 | 1.34 | 5 | 0.35 | 0.65 | 0.35 |
| San Francisco - Oakland - Fremont CA | 12 | 4203898 | 722 | 6 | 0.34 | 4 | 1.31 | 1% | Thursday 5 PM | 6 | 1.6 | 6 | 0.34 | 0.66 | 0.34 |
| Houston - Sugar Land - Baytown TX | 6 | 5628101 | 1173 | 7 | 0.31 | 18 | 1.18 | 3% | Friday 5 PM | 20 | 1.36 | 7 | 0.32 | 0.64 | 0.36 |
| Boston - Cambridge - Quincy MA-NH | 10 | 4482857 | 1032 | 8 | 0.28 | 15 | 1.18 | 4% | Friday 5 PM | 17 | 1.37 | 8 | 0.31 | 0.6 | 0.4 |
| Seattle -Tacoma - Bellevue WA | 15 | 3309347 | 608 | 9 | 0.26 | 6 | 1.29 | 0% | Friday 4 PM | 8 | 1.55 | 10 | 0.25 | 0.69 | 0.31 |
| Atlanta - Sandy Springs - Marietta GA | 9 | 5278904 | 929 | 10 | 0.25 | 17 | 1.18 | -1% | Friday 5 PM | 13 | 1.43 | 11 | 0.25 | 0.67 | 0.33 |
| Miami - Fort Lauderdale - Pompano Beach, FL | 7 | 5413212 | 731 | 11 | 0.22 | 12 | 1.21 | -1% | Friday 5 PM | 22 | 1.34 | 12 | 0.24 | 0.61 | 0.39 |
| Philadelphia - Camden - Wilmington PA -NJ-DE-MD | 5 | 5827962 | 1023 | 12 | 0.22 | 24 | 1.14 | 2% | Friday 5 PM | 25 | 1.32 | 9 | 0.26 | 0.55 | 0.45 |
| Minneapolis - St. Paul - Bloomington MN-WI | 16 | 3208212 | 853 | 13 | 0.21 | 19 | 1.17 | 4% | Thursday 5 PM | 15 | 1.41 | 17 | 0.21 | 0.68 | 0.32 |
| San Diego - Carlsbad - San Marcos CA | 17 | 2974859 | 596 | 14 | 0.21 | 9 | 1.24 | 3% | Thursday 5 PM | 14 | 1.42 | 13 | 0.24 | 0.59 | 0.41 |
| Phoenix - Mesa - Scottsdale AZ | 13 | 4179427 | 1116 | 15 | 0.2 | 29 | 1.12 | 1% | Tuesday 7 AM | 40 | 1.2 | 14 | 0.24 | 0.55 | 0.45 |
| Riverside - San Bernardino - Ontario CA | 14 | 4081371 | 615 | 16 | 0.19 | 13 | 1.2 | 0% | Friday 4 PM | 12 | 1.43 | 15 | 0.23 | 0.55 | 0.45 |
| Detroi - Warren - Livonia MI | 11 | 4467592 | 784 | 17 | 0.17 | 23 | 1.15 | 6% | Friday 5 PM | 31 | 1.26 | 16 | 0.21 | 0.53 | 0.47 |
| Denver-Aurora CO | 21 | 2464866 | 927 | 18 | 0.15 | 33 | 1.11 | 1% | Friday 4 PM | 35 | 1.22 | 18 | 0.19 | 0.54 | 0.46 |
| Baltimore -Towson MD | 20 | 2668056 | 682 | 19 | 0.14 | 25 | 1.14 | 4% | Friday 5 PM | 27 | 1.31 | 19 | 0.15 | 0.61 | 0.39 |
| San Jose - Sunnyvale - Santa Clara CA | 31 | 1803643 | 361 | 20 | 0.12 | 11 | 1.22 | 1% | Friday 5 PM | 10 | 1.47 | 23 | 0.12 | 0.65 | 0.35 |
| Portland - Vancouver - Beaverton OR-WA | 23 | 2175113 | 385 | 21 | 0.11 | 14 | 1.2 | 1% | Friday 5 PM | 9 | 1.51 | 26 | 0.1 | 0.74 | 0.26 |
| Bridgeport- Stamford - Norwalk CT | 56 | 895015 | 233 | 22 | 0.11 | 3 | 1.32 | 3% | Friday 5 PM | 2 | 1.83 | 25 | 0.1 | 0.7 | 0.3 |
| St. Louis MO-IL | 18 | 2803707 | 950 | 23 | 0.11 | 47 | 1.08 | 1% | Thursday 5 PM | 44 | 1.17 | 20 | 0.13 | 0.53 | 0.47 |
| Sacramento -- Arden-Arcade -- Roseville CA | 26 | 2091120 | 659 | 24 | 0.1 | 35 | 1.1 | 0% | Friday 5 PM | 37 | 1.21 | 21 | 0.13 | 0.52 | 0.48 |
| San Antonio TX | 28 | 1990675 | 727 | 25 | 0.1 | 42 | 1.09 | 2% | Friday 5 PM | 34 | 1.22 | 24 | 0.11 | 0.59 | 0.41 |
| Austin-Round Rock TX | 37 | 1598161 | 220 | 26 | 0.09 | 7 | 1.28 | 5% | Thursday 5 PM | 4 | 1.72 | 33 | 0.08 | 0.74 | 0.26 |
| Kansas City MO-KS | 29 | 1985429 | 1048 | 27 | 0.09 | 62 | 1.06 | 2% | Wednesday 5 PM | 67 | 1.11 | 22 | 0.13 | 0.46 | 0.54 |
| Charlotte - Gastonia - Concord NC-SC | 35 | 1651568 | 439 | 28 | 0.09 | 26 | 1.13 | 0% | Friday 5 PM | 24 | 1.33 | 28 | 0.1 | 0.56 | 0.44 |
| Pittsburgh PA | 22 | 2355712 | 538 | 29 | 0.08 | 36 | 1.1 | 2% | Wednesday 8 AM | 43 | 1.18 | 29 | 0.1 | 0.57 | 0.43 |
| Tampa - St. Petersburg - Clearwater FL | 19 | 2723949 | 427 | 30 | 0.08 | 28 | 1.12 | 0% | Friday 5 PM | 33 | 1.25 | 32 | 0.09 | 0.59 | 0.41 |
| Nashville - Davidson -- Murfreesboro -- Franklin, TN | 39 | 1521437 | 307 | 31 | 0.08 | 20 | 1.17 | 5% | Thursday 5 PM | 19 | 1.36 | 36 | 0.08 | 0.66 | 0.34 |
| Virginia Beach - Norfolk - Newport News VA-NC | 34 | 1658754 | 307 | 32 | 0.07 | 21 | 1.15 | 3% | Friday 4 PM | 16 | 1.38 | 37 | 0.08 | 0.61 | 0.39 |
| Cincinnati - Middletown OH-KY-IN | 24 | 2133678 | 620 | 33 | 0.07 | 49 | 1.07 | 2% | Friday 5 PM | 51 | 1.15 | 34 | 0.08 | 0.55 | 0.45 |
| Jacksonville FL | 40 | 1300823 | 479 | 34 | 0.07 | 41 | 1.1 | 0% | Thursday 5 PM | 50 | 1.15 | 30 | 0.09 | 0.48 | 0.52 |
| Orlando- Kissimmee FL | 27 | 2032496 | 567 | 35 | 0.07 | 46 | 1.08 | 0% | Friday 5 PM | 47 | 1.16 | 31 | 0.09 | 0.48 | 0.52 |
| Cleveland-Elyria-Mentor OH | 25 | 2096471 | 608 | 36 | 0.06 | 56 | 1.06 | 2% | Tuesday 5 PM | 61 | 1.13 | 40 | 0.07 | 0.57 | 0.43 |
| Las Vegas-Paradise NV | 30 | 1836333 | 518 | 37 | 0.06 | 48 | 1.07 | -1% | Thursday 5 PM | 56 | 1.14 | 35 | 0.08 | 0.49 | 0.51 |
| Honolulu HI | 54 | 905601 | 80 | 38 | 0.06 | 1 | 1.47 | 5% | Thursday 5 PM | 1 | 1.88 | 55 | 0.04 | 0.84 | 0.16 |
| Providence - New Bedford - Fall River RI-MA | 36 | 1600856 | 375 | 39 | 0.05 | 40 | 1.1 | 1% | Thursday 5 PM | 38 | 1.2 | 39 | 0.07 | 0.51 | 0.49 |
| Oklahoma City OK | 44 | 1192989 | 722 | 40 | 0.05 | 70 | 1.05 | 2% | Friday 5 PM | 71 | 1.1 | 27 | 0.1 | 0.34 | 0.66 |
| Hartford - West Hartford - East Hartford CT | 45 | 1189113 | 342 | 41 | 0.05 | 37 | 1.1 | 3% | Friday 5 PM | 30 | 1.27 | 46 | 0.06 | 0.58 | 0.42 |
| New Orleans - Metairie - Kenner LA | 51 | 1030363 | 351 | 42 | 0.05 | 39 | 1.1 | 0% | Thursday 5 PM | 45 | 1.17 | 44 | 0.06 | 0.54 | 0.46 |
| Louisville/Jefferson County, KY-IN | 42 | 1233735 | 577 | 43 | 0.05 | 66 | 1.05 | 1% | Thursday 5 PM | 65 | 1.11 | 45 | 0.06 | 0.51 | 0.49 |
| New Haven-Milford CT | 58 | 845494 | 252 | 44 | 0.04 | 31 | 1.12 | 2% | Friday 5 PM | 21 | 1.35 | 47 | 0.06 | 0.51 | 0.49 |
| Indianapolis - Carmel, IN | 33 | 1695037 | 555 | 45 | 0.04 | 69 | 1.05 | 3% | Friday 5 PM | 48 | 1.16 | 43 | 0.06 | 0.45 | 0.55 |
| Milwaukee - Waukesha - West Allis WI | 38 | 1544398 | 347 | 46 | 0.04 | 45 | 1.08 | 1% | Friday 5 PM | 46 | 1.17 | 53 | 0.05 | 0.59 | 0.41 |
| Baton Rouge LA | 67 | 770037 | 228 | 47 | 0.04 | 30 | 1.12 | 3% | Friday 5 PM | 29 | 1.29 | 54 | 0.04 | 0.59 | 0.41 |
| Columbus OH | 32 | 1754337 | 520 | 48 | 0.04 | 68 | 1.05 | 2% | Thursday 5 PM | 55 | 1.14 | 48 | 0.05 | 0.47 | 0.53 |
| Allentown - Bethlehem - Easton PA-NJ | 62 | 803844 | 385 | 49 | 0.04 | 53 | 1.07 | 1% | Friday 4 PM | 63 | 1.13 | 38 | 0.07 | 0.35 | 0.65 |
| Salt Lake City UT | 48 | 1099973 | 524 | 50 | 0.04 | 72 | 1.05 | 2% | Thursday 5 PM | 54 | 1.14 | 42 | 0.06 | 0.39 | 0.61 |
| Birmingham-Hoover AL | 47 | 1108210 | 509 | 51 | 0.03 | 75 | 1.04 | 1% | Friday 5 PM | 66 | 1.11 | 52 | 0.05 | 0.44 | 0.56 |
| Jackson MS | 93 | 534047 | 347 | 52 | 0.03 | 54 | 1.07 | 4% | Tuesday 7 AM | 74 | 1.1 | 49 | 0.05 | 0.4 | 0.6 |
| Oxnard - Thousand Oaks - Ventura CA | 63 | 798364 | 121 | 53 | 0.03 | 16 | 1.18 | 3% | Friday 5 PM | 18 | 1.37 | 61 | 0.04 | 0.54 | 0.46 |
| Memphis TN-MS-AR | 41 | 1280533 | 370 | 54 | 0.03 | 59 | 1.06 | 0% | Wednesday 5 PM | 59 | 1.13 | 59 | 0.04 | 0.5 | 0.5 |
| Worcester MA | 65 | 781352 | 301 | 55 | 0.03 | 51 | 1.07 | 1% | Wednesday 5 PM | 36 | 1.15 | 41 | 0.06 | 0.33 | 0.67 |
| Richmond VA | 43 | 1212977 | 630 | 56 | 0.03 | 87 | 1.03 | 1% | Friday 5 PM | 91 | 1.06 | 51 | 0.05 | 0.36 | 0.64 |
| Albuquerque NM | 60 | 835120 | 262 | 57 | 0.03 | 50 | 1.07 | 3% | Wednesday 5 PM | 52 | 1.15 | 60 | 0.04 | 0.45 | 0.55 |
| Harrisburg-Carlisle PA | 94 | 528892 | 337 | 58 | 0.03 | 63 | 1.06 | 1% | Friday 4 PM | 62 | 1.13 | 63 | 0.04 | 0.49 | 0.51 |
| Little Rock - North Little Rock - Conway, AR | 78 | 666401 | 470 | 59 | 0.03 | 81 | 1.04 | 1% | Wednesday 7 AM | 83 | 1.08 | 68 | 0.03 | 0.54 | 0.46 |
| Raleigh-Cary NC | 49 | 1047629 | 288 | 60 | 0.03 | 57 | 1.06 | 1% | Friday 5 PM | 58 | 1.13 | 67 | 0.03 | 0.53 | 0.47 |
| Scranton - Wilkes - Barre PA | 90 | 549430 | 325 | 61 | 0.03 | 64 | 1.06 | 3% | Thursday 8 AM | 70 | 1.09 | 56 | 0.04 | 0.41 | 0.59 |
| Tulsa OK | 53 | 905755 | 588 | 62 | 0.03 | 92 | 1.03 | 0% | Wednesday 5 PM | 86 | 1.07 | 58 | 0.04 | 0.4 | 0.6 |
| Stockton CA | 76 | 670990 | 261 | 63 | 0.03 | 55 | 1.06 | 2% | Friday 4 PM | 49 | 1.15 | 57 | 0.04 | 0.39 | 0.61 |
| Ogden-Clearfield UT | 96 | 518349 | 144 | 64 | 0.02 | 32 | 1.11 | 1% | Thursday 5 PM | 28 | 1.3 | 79 | 0.02 | 0.64 | 0.36 |
| Akron OH | 71 | 699356 | 317 | 65 | 0.02 | 74 | 1.05 | 1% | Wednesday 7 AM | 77 | 1.09 | 69 | 0.03 | 0.48 | 0.52 |
| Dayton OH | 59 | 835537 | 309 | 66 | 0.02 | 73 | 1.05 | 2% | Friday 5 PM | 75 | 1.09 | 62 | 0.04 | 0.38 | 0.62 |
| Rochester NY | 50 | 1030495 | 369 | 67 | 0.02 | 82 | 1.04 | 1% | Tuesday 8 AM | 85 | 1.07 | 72 | 0.03 | 0.49 | 0.51 |
| Buffalo - Niagara Falls NY | 46 | 1128183 | 323 | 68 | 0.02 | 76 | 1.04 | 1% | Friday 5 PM | 80 | 1.08 | 71 | 0.03 | 0.49 | 0.51 |
| El Paso TX | 68 | 734669 | 138 | 69 | 0.02 | 38 | 1.1 | 6% | Wednesday 5 PM | 57 | 1.13 | 77 | 0.03 | 0.51 | 0.49 |
| Tucson AZ | 52 | 967089 | 194 | 70 | 0.02 | 52 | 1.07 | 4% | Thursday 7 AM | 69 | 1.09 | 66 | 0.03 | 0.38 | 0.62 |
| Charleston- North Charleston SC | 81 | 630100 | 97 | 71 | 0.02 | 27 | 1.13 | 1% | Thursday 5 PM | 26 | 1.31 | 94 | 0.02 | 0.69 | 0.31 |
| Albany - Schenectady - Troy NY | 57 | 853358 | 299 | 72 | 0.02 | 79 | 1.04 | 1% | Thursday 5 PM | 73 | 1.1 | 78 | 0.03 | 0.48 | 0.52 |
| Madison WI | 89 | 555626 | 387 | 73 | 0.02 | 88 | 1.03 | 1% | Wednesday 5 PM | 88 | 1.06 | 74 | 0.03 | 0.44 | 0.56 |
| Lakeland FL | 87 | 574746 | 205 | 74 | 0.02 | 60 | 1.06 | 0% | Tuesday 6 PM | 39 | 1.11 | 50 | 0.05 | 0.21 | 0.79 |
| Columbia SC | 69 | 716030 | 322 |