Traffic Volume Trends - Urban
Estimated Vehicle Miles (Millions) and Percent Change
from Same Period Previous Year (Includes Preliminary Data for April 2002)
Year 2001
Urban Interstate | % | Urban Other Arterial | % | Other Urban | % | Total Urban | % | All Systems | % |
Jan | 30,582 | | 3.2 | Jan | 70,266 | | 2.5 | Jan | 28,705 | | 2.4 | Jan | 129,553 | | 2.7 | Jan | 208,821 | | 2.5 |
Feb | 29,193 | | 0.4 | Feb | 66,818 | | 0.3 | Feb | 27,557 | | 0.2 | Feb | 123,568 | | 0.3 | Feb | 199,541 | | 0.0 |
Mar | 33,259 | | -0.4 | Mar | 76,730 | | -0.9 | Mar | 31,419 | | -0.8 | Mar | 141,408 | | -0.8 | Mar | 231,162 | | -0.7 |
Q1 | 93,034 | | 1.0 | Q1 | 213,814 | | 0.6 | Q1 | 87,681 | | 0.5 | Q1 | 394,529 | | 0.7 | Q1 | 639,524 | | 0.5 |
|
Apr | 33,363 | | 2.4 | Apr | 75,222 | | 0.9 | Apr | 31,437 | | 1.5 | Apr | 140,022 | | 1.4 | Apr | 231,086 | | 1.3 |
May | 35,071 | | 0.8 | May | 78,724 | | 0.4 | May | 32,775 | | 0.3 | May | 146,570 | | 0.5 | May | 243,960 | | 0.5 |
Jun | 34,637 | | -0.2 | Jun | 77,971 | | -1.1 | Jun | 32,063 | | -0.8 | Jun | 144,671 | | -0.8 | Jun | 242,334 | | -0.4 |
Q2 | 103,071 | | 1.0 | Q2 | 231,917 | | 0.1 | Q2 | 96,275 | | 0.3 | Q2 | 431,263 | | 0.3 | Q2 | 717,381 | | 0.5 |
1st Half | 196,105 | 1.0 | 1st Half | 445,731 | 0.3 | 1st Half | 183,956 | 0.4 | 1st Half | 825,792 | 0.5 | 1st Half | 1,356,904 | 0.5 |
|
Jul | 34,813 | | 2.2 | Jul | 78,076 | | 1.0 | Jul | 32,398 | | 0.8 | Jul | 145,287 | | 1.3 | Jul | 248,478 | | 1.3 |
Aug | 35,298 | | 1.0 | Aug | 80,447 | | 0.7 | Aug | 33,044 | | 1.5 | Aug | 148,789 | | 1.0 | Aug | 251,263 | | 1.3 |
Sep | 31,944 | | -1.8 | Sep | 71,454 | | -2.5 | Sep | 30,012 | | -1.1 | Sep | 133,410 | | -2.0 | Sep | 224,244 | | -1.5 |
Q3 | 102,055 | | 0.5 | Q3 | 229,977 | | -0.2 | Q3 | 95,454 | | 0.4 | Q3 | 427,486 | | 0.1 | Q3 | 723,985 | | 0.4 |
3 Qs | 298,160 | 0.8 | 3 Qs | 675,708 | 0.1 | 3 Qs | 279,410 | 0.4 | 3 Qs | 1,253,278 | 0.4 | 3 Qs | 2,080,890 | 0.5 |
|
Oct | 34,107 | | 1.0 | Oct | 78,023 | | 0.9 | Oct | 32,021 | | 0.4 | Oct | 144,151 | | 0.8 | Oct | 239,670 | | 1.2 |
Nov | 33,222 | | 2.3 | Nov | 75,351 | | 1.1 | Nov | 30,954 | | 2.8 | Nov | 139,527 | | 1.8 | Nov | 229,222 | | 2.8 |
Dec | 32,934 | | 4.0 | Dec | 75,191 | | 2.2 | Dec | 31,911 | | 3.4 | Dec | 140,036 | | 2.9 | Dec | 227,708 | | 4.1 |
Q4 | 100,263 | | 2.4 | Q4 | 228,565 | | 1.4 | Q4 | 94,886 | | 2.2 | Q4 | 423,714 | | 1.8 | Q4 | 696,600 | | 2.7 |
2nd Half | 202,318 | 1.4 | 2nd Half | 458,542 | 0.6 | 2nd Half | 190,340 | 1.3 | 2nd Half | 851,200 | 1.0 | 2nd Half | 1,420,585 | 1.5 |
|
Year | 398,423 | 1.2 | Year | 904,273 | 0.5 | Year | 374,296 | 0.9 | Year | 1,676,992 | 0.7 | Year | 2,777,489 | 1.0 |