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August 2011 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
2011 (Preliminary) 2010 2011 (Revised) 2010
Northeast
Connecticut 22 1,959 2,045 -4.2 24 2,022 2,057 -1.7
Maine 7 224 227 -1.0 7 238 242 -1.7
Massachusetts 57 3,537 3,645 -3.0 56 3,663 3,744 -2.2
New Hampshire 22 496 510 -2.8 25 503 510 -1.4
New Jersey 76 4,302 4,423 -2.7 76 4,330 4,393 -1.4
New York 6,706 6,790 -1.2 88 6,507 6,721 -3.2
Pennsylvania 14 4,609 4,643 -0.7 14 4,529 4,584 -1.2
Rhode Island 39 628 646 -2.9 41 586 600 -2.4
Vermont 114 116 -1.3 15 114 115 -0.9
Subtotal   22,575 23,045 -2.0   22,492 22,966 -2.1
South Atlantic
Delaware 17 420 425 -1.2 16 451 440 2.3
District of Columbia 254 257 -1.3 169 174 -2.7
Florida 136 8,805 8,889 -0.9 132 8,731 8,909 -2.0
Georgia 106 4,347 4,371 -0.5 101 4,007 4,139 -3.2
Maryland 38 3,159 3,225 -2.0 38 3,040 3,100 -1.9
North Carolina 19 3,954 4,023 -1.7 20 4,067 4,206 -3.3
South Carolina 38 1,599 1,623 -1.5 33 1,616 1,661 -2.7
Virginia 294 3,581 3,695 -3.1 293 3,596 3,765 -4.5
West Virginia 559 566 -1.3 621 637 -2.4
Subtotal   26,678 27,074 -1.5   26,298 27,031 -2.7
North Central
Illinois 5,216 5,283 -1.3 5,009 5,137 -2.5
Indiana 30 2,545 2,533 0.5 36 2,535 2,542 -0.3
Iowa 33 826 836 -1.1 32 790 829 -4.7
Kansas 16 975 1,007 -3.2 15 965 997 -3.3
Michigan 46 4,607 4,621 -0.3 44 4,551 4,659 -2.3
Minnesota 26 2,394 2,297 4.2 26 2,300 2,258 1.9
Missouri 60 2,506 2,578 -2.8 61 2,466 2,580 -4.4
Nebraska 11 587 624 -5.9 11 587 596 -1.5
North Dakota 7 148 145 2.2 8 153 149 2.8
Ohio 83 4,790 4,839 -1.0 86 4,568 4,713 -3.1
South Dakota 9 240 255 -6.0 10 213 241 -11.4
Wisconsin 61 2,418 2,436 -0.7 62 2,291 2,323 -1.4
Subtotal   27,252 27,454 -0.7   26,428 27,024 -2.2
South Gulf
Alabama 22 1,569 1,601 -2.0 19 1,464 1,530 -4.3
Arkansas 10 963 1,010 -4.6 10 1,017 1,072 -5.1
Kentucky 5 1,482 1,487 -0.4 6 1,187 1,199 -1.0
Louisiana 2 1,755 1,821 -3.6 9 1,635 1,692 -3.4
Mississippi 20 978 1,002 -2.4 18 995 1,038 -4.2
Oklahoma 1,771 1,794 -1.3 1,695 1,740 -2.6
Tennessee 6 2,678 2,735 -2.1 8 2,812 2,908 -3.3
Texas 87 11,728 11,869 -1.2 88 11,313 11,594 -2.4
Subtotal   22,924 23,319 -1.7   22,118 22,773 -2.9
West
Alaska 35 185 189 -2.1 43 182 188 -3.2
Arizona 2,331 2,360 -1.2 2,630 2,703 -2.7
California 33 20,642 20,772 -0.6 46 19,662 19,954 -1.5
Colorado 23 2,371 2,400 -1.2 22 2,003 2,071 -3.3
Hawaii 25 369 364 1.2 27 407 408 -0.2
Idaho 53 436 434 0.4 57 417 426 -2.0
Montana 5 234 229 2.1 4 240 239 0.5
Nevada 30 962 940 2.3 30 938 947 -0.9
New Mexico 673 682 -1.3 722 740 -2.5
Oregon 30 1,307 1,316 -0.7 32 1,260 1,290 -2.3
Utah 41 1,237 1,245 -0.7 43 1,110 1,124 -1.2
Washington 44 3,047 3,138 -2.9 38 2,976 3,083 -3.5
Wyoming 148 150 -1.3 144 147 -1.9
Subtotal   33,942 34,219 -0.8   32,691 33,320 -1.9
Totals 1,738 133,371 135,111 -1.3 1,870 130,027 133,114 -2.3

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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