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August 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 August July
Number of Stations Vehicle-Miles (Millions) Percent Change Number of Stations Vehicle-Miles (Millions) Percent Change
2008 (Preliminary) 2007 2008 (Revised) 2007
Northeast
Connecticut 16 1,946 2,036 -4.4 18 1,964 2,015 -2.5
Maine 12 234 247 -5.2 - 249 254 -1.9
Massachusetts 68 3,489 3,628 -3.8 67 3,606 3,691 -2.3
New Hampshire 23 505 535 -5.7 25 496 509 -2.7
New Jersey 30 4,193 4,442 -5.6 34 4,217 4,316 -2.3
New York 86 6,884 7,133 -3.5 83 6,785 7,007 -3.2
Pennsylvania 13 4,717 4,879 -3.3 13 4,674 4,652 0.5
Rhode Island 39 624 641 -2.7 38 586 583 0.5
Vermont 10 114 122 -6.1 - 114 117 -2.7
Subtotal   22,706 23,663 -4.0   22,691 23,144 -2.0
South Atlantic
Delaware - 426 445 -4.2 - 419 425 -1.4
District of Columbia 1 239 231 3.2 1 265 246 7.6
Florida 110 8,440 9,365 -9.9 109 8,639 9,102 -5.1
Georgia 68 4,294 4,664 -7.9 74 3,993 4,181 -4.5
Maryland 26 3,126 3,275 -4.5 26 3,012 3,098 -2.8
North Carolina - 3,592 3,844 -6.6 - 3,685 3,822 -3.6
South Carolina 48 1,607 1,719 -6.6 49 1,627 1,677 -3.0
Virginia 152 3,488 3,662 -4.7 154 3,512 3,589 -2.2
West Virginia - 581 606 -4.1 - 584 594 -1.6
Subtotal   25,793 27,811 -7.3   25,736 26,734 -3.7
North Central
Illinois 17 4,544 4,777 -4.9 15 4,703 4,742 -0.8
Indiana 29 1,981 2,123 -6.7 33 2,049 2,100 -2.5
Iowa 28 812 838 -3.2 28 802 810 -1.0
Kansas 18 983 1,046 -5.9 17 979 1,012 -3.2
Michigan 39 4,765 5,024 -5.2 44 4,778 4,965 -3.8
Minnesota 29 1,927 2,048 -5.9 29 1,886 1,981 -4.8
Missouri 50 2,317 2,446 -5.3 49 2,280 2,338 -2.5
Nebraska 13 538 563 -4.5 13 537 542 -0.9
North Dakota 7 126 133 -5.4 7 136 141 -3.6
Ohio 95 4,592 4,780 -3.9 94 4,509 4,588 -1.7
South Dakota 7 166 177 -6.3 8 161 167 -4.0
Wisconsin 53 1,978 2,099 -5.8 51 1,942 2,006 -3.2
Subtotal   24,729 26,054 -5.1   24,762 25,392 -2.5
South Gulf
Alabama - 1,756 1,924 -8.8 - 1,699 1,784 -4.8
Arkansas 10 848 916 -7.5 11 910 937 -2.9
Kentucky 16 1,405 1,507 -6.8 19 1,360 1,410 -3.5
Louisiana - 1,873 1,964 -4.6 - 1,814 1,853 -2.1
Mississippi - 881 947 -7.0 - 918 957 -4.1
Oklahoma - 1,734 1,819 -4.7 - 1,665 1,700 -2.1
Tennessee 5 2,558 2,746 -6.8 4 2,739 2,862 -4.3
Texas 51 10,683 11,198 -4.6 50 10,380 10,576 -1.9
Subtotal   21,738 23,021 -5.6   21,485 22,079 -2.7
West
Alaska 44 167 178 -5.9 42 169 177 -4.1
Arizona 7 2,298 2,471 -7.0 15 2,568 2,627 -2.2
California 7 19,801 20,604 -3.9 28 19,494 20,330 -4.1
Colorado 19 2,288 2,425 -5.7 17 1,999 2,086 -4.1
Hawaii - 379 394 -3.8 9 392 403 -2.6
Idaho - 394 420 -6.1 49 386 410 -5.9
Montana - 178 190 -6.0 - 186 196 -5.5
Nevada 27 935 1,009 -7.3 29 927 987 -6.1
New Mexico 33 690 722 -4.4 34 721 732 -1.6
Oregon 20 1,276 1,357 -5.9 22 1,247 1,304 -4.3
Utah 24 1,113 1,215 -8.4 24 1,034 1,088 -5.0
Washington 31 2,957 3,100 -4.6 31 2,934 3,007 -2.4
Wyoming - 148 158 -6.7 - 144 151 -4.9
Subtotal   32,624 34,243 -4.7   32,201 33,498 -3.9
Totals 1,381 127,590 134,792 -5.3 1,463 126,875 130,847 -3.0

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