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September 2008 Traffic Volume Trends

Changes on Urban Arterial Roads by Region and State

Table - 4. Changes on Urban Arterial Roads by Region and State**
Region And State September August
Number of Stations Vehicle-Miles (Millions) Percent Change Number of Stations Vehicle-Miles (Millions) Percent Change
2008 (Preliminary) 2007 2008 (Revised) 2007
Northeast
Connecticut 18 1,805 1,887 -4.3 16 1,946 2,036 -4.4
Maine 12 208 221 -5.9 12 234 247 -5.2
Massachusetts 63 3,129 3,250 -3.7 68 3,489 3,628 -3.8
New Hampshire 23 447 484 -7.5 23 505 535 -5.7
New Jersey - 4,409 4,510 -2.3 30 4,193 4,442 -5.6
New York 87 6,637 6,840 -3.0 86 6,884 7,133 -3.5
Pennsylvania 13 4,478 4,530 -1.2 13 4,717 4,879 -3.3
Rhode Island 40 736 753 -2.3 39 624 641 -2.7
Vermont 16 103 109 -5.1 10 114 122 -6.1
Subtotal   21,952 22,584 -2.8   22,706 23,663 -4.0
South Atlantic
Delaware - 391 397 -1.4 - 426 445 -4.2
District of Columbia 2 224 213 4.8 1 239 231 3.2
Florida 110 8,244 8,635 -4.5 110 8,440 9,365 -9.9
Georgia 62 3,830 4,065 -5.8 68 4,294 4,664 -7.9
Maryland 26 2,533 2,624 -3.5 26 3,126 3,275 -4.5
North Carolina - 3,160 3,340 -5.4 - 3,592 3,844 -6.6
South Carolina 51 1,530 1,617 -5.4 48 1,607 1,719 -6.6
Virginia 145 3,182 3,337 -4.6 152 3,488 3,662 -4.7
West Virginia - 573 590 -2.8 - 581 606 -4.1
Subtotal   23,667 24,818 -4.6   25,793 27,811 -7.3
North Central
Illinois - 4,566 4,667 -2.2 17 4,544 4,777 -4.9
Indiana 32 1,935 1,968 -1.7 29 1,981 2,123 -6.7
Iowa - 775 790 -1.9 28 812 838 -3.2
Kansas 17 926 948 -2.3 18 983 1,046 -5.9
Michigan 38 4,521 4,649 -2.8 40 4,764 5,024 -5.2
Minnesota 29 1,837 1,884 -2.5 29 1,927 2,048 -5.9
Missouri 52 2,320 2,356 -1.5 50 2,317 2,446 -5.3
Nebraska 12 518 528 -1.9 13 538 563 -4.5
North Dakota 8 124 122 1.7 7 126 133 -5.4
Ohio 93 4,319 4,440 -2.7 95 4,592 4,780 -3.9
South Dakota 7 161 165 -2.8 7 166 177 -6.3
Wisconsin 57 1,839 1,885 -2.5 53 1,978 2,099 -5.8
Subtotal   23,841 24,402 -2.3   24,728 26,054 -5.1
South Gulf
Alabama - 1,648 1,736 -5.1 - 1,756 1,924 -8.8
Arkansas 11 750 783 -4.2 10 848 916 -7.5
Kentucky 26 1,271 1,334 -4.7 16 1,405 1,507 -6.8
Louisiana - 1,722 1,788 -3.7 - 1,873 1,964 -4.6
Mississippi - 820 868 -5.5 - 881 947 -7.0
Oklahoma - 1,583 1,641 -3.6 - 1,734 1,819 -4.7
Tennessee 4 2,418 2,566 -5.8 5 2,558 2,746 -6.8
Texas 49 10,210 10,656 -4.2 51 10,683 11,198 -4.6
Subtotal   20,422 21,372 -4.4   21,738 23,021 -5.6
West
Alaska 44 158 158 0.3 44 167 178 -5.9
Arizona 7 2,339 2,447 -4.4 7 2,298 2,471 -7.0
California 7 16,498 16,798 -1.8 7 19,801 20,604 -3.9
Colorado 20 2,065 2,127 -2.9 19 2,288 2,425 -5.7
Hawaii 10 524 548 -4.4 8 377 394 -4.3
Idaho - 367 383 -4.4 - 394 420 -6.1
Montana - 147 149 -0.9 - 178 190 -6.0
Nevada 27 919 959 -4.1 27 935 1,009 -7.3
New Mexico 35 703 708 -0.8 33 690 722 -4.4
Oregon - 1,199 1,230 -2.6 20 1,276 1,357 -5.9
Utah 34 970 1,017 -4.6 24 1,113 1,215 -8.4
Washington 34 2,728 2,828 -3.5 43 2,965 3,100 -4.3
Wyoming - 144 149 -3.6 - 148 158 -6.7
Subtotal   28,761 29,501 -2.5   32,630 34,243 -4.7
Totals 1,321 118,643 122,677 -3.3 1,402 127,595 134,792 -5.3

Note: Where Number of STATIONS are shown as dashes, the values for the Vehicle-Miles and Percent Change are derived from the estimated VMT based on data from surrounding States or the nationwide average VMT.


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United States Department of Transportation - Federal Highway Administration