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September 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 September August
Number of Stations Vehicle-Miles (Millions) Percent Change Number of Stations Vehicle-Miles (Millions) Percent Change
2011 (Preliminary) 2010 2011 (Revised) 2010
Northeast
Connecticut 23 1,913 1,927 -0.8 22 1,959 2,045 -4.2
Maine 7 223 220 1.1 7 224 227 -1.0
Massachusetts 54 3,230 3,230 0.0 57 3,537 3,645 -3.0
New Hampshire 26 450 459 -2.0 22 496 510 -2.8
New Jersey 74 4,567 4,590 -0.5 76 4,302 4,423 -2.7
New York 86 6,457 6,567 -1.7 85 6,440 6,790 -5.2
Pennsylvania 11 4,472 4,432 0.9 14 4,609 4,643 -0.7
Rhode Island 42 786 795 -1.1 39 628 646 -2.9
Vermont 14 106 106 -0.4 15 114 116 -1.7
Subtotal   22,204 22,326 -0.5   22,309 23,045 -3.2
South Atlantic
Delaware 15 395 388 1.8 17 420 425 -1.2
District of Columbia - 229 232 -1.3 - 254 257 -1.3
Florida 136 8,496 8,574 -0.9 136 8,805 8,889 -0.9
Georgia 107 3,974 4,024 -1.2 106 4,347 4,371 -0.5
Maryland 38 2,612 2,647 -1.3 38 3,159 3,225 -2.0
North Carolina 18 3,578 3,639 -1.7 19 3,954 4,023 -1.7
South Carolina 37 1,593 1,598 -0.3 38 1,599 1,623 -1.5
Virginia 298 3,333 3,457 -3.6 294 3,581 3,695 -3.1
West Virginia - 531 538 -1.3 - 559 566 -1.3
Subtotal   24,741 25,097 -1.4   26,678 27,074 -1.5
North Central
Illinois - 5,213 5,277 -1.2 - 5,216 5,283 -1.3
Indiana 26 2,376 2,360 0.7 30 2,545 2,533 0.5
Iowa 33 798 814 -2.0 33 826 836 -1.1
Kansas 13 897 945 -5.1 16 975 1,007 -3.2
Michigan 47 4,386 4,385 0.0 46 4,607 4,621 -0.3
Minnesota 26 2,208 2,167 1.9 26 2,394 2,297 4.2
Missouri 59 2,392 2,456 -2.6 60 2,506 2,578 -2.8
Nebraska 12 552 587 -6.0 11 587 624 -5.9
North Dakota 8 141 137 2.9 7 148 145 2.2
Ohio 83 4,501 4,531 -0.7 83 4,790 4,839 -1.0
South Dakota 8 229 237 -3.5 9 240 255 -6.0
Wisconsin 58 2,223 2,227 -0.2 61 2,418 2,436 -0.7
Subtotal   25,916 26,123 -0.8   27,252 27,454 -0.7
South Gulf
Alabama 12 1,462 1,518 -3.7 22 1,569 1,601 -2.0
Arkansas 11 879 905 -2.9 10 963 1,010 -4.6
Kentucky 6 1,358 1,386 -2.0 5 1,482 1,487 -0.4
Louisiana 2 1,560 1,664 -6.2 2 1,755 1,821 -3.6
Mississippi - 938 950 -1.3 20 978 1,002 -2.4
Oklahoma 22 1,640 1,718 -4.5 22 1,745 1,794 -2.8
Tennessee 7 2,696 2,745 -1.8 6 2,678 2,735 -2.1
Texas 86 11,440 11,481 -0.4 87 11,728 11,869 -1.2
Subtotal   21,973 22,367 -1.8   22,898 23,319 -1.8
West
Alaska 34 171 174 -2.1 35 185 189 -2.1
Arizona - 2,545 2,575 -1.2 - 2,331 2,360 -1.2
California 39 16,744 16,943 -1.2 33 20,642 20,772 -0.6
Colorado 22 2,150 2,193 -2.0 23 2,371 2,400 -1.2
Hawaii 28 514 513 0.3 25 369 364 1.2
Idaho 57 401 403 -0.3 53 436 434 0.4
Montana 5 179 175 2.1 5 234 229 2.1
Nevada 26 947 937 1.2 30 962 940 2.3
New Mexico - 677 687 -1.4 - 673 682 -1.3
Oregon 33 1,201 1,212 -0.9 30 1,307 1,316 -0.7
Utah 42 1,075 1,084 -0.9 41 1,237 1,245 -0.7
Washington 2 2,757 2,860 -3.6 44 3,047 3,138 -2.9
Wyoming - 137 138 -1.4 - 148 150 -1.3
Subtotal   29,498 29,894 -1.3   33,942 34,219 -0.8
Totals 1,793 124,332 125,807 -1.2 1,860 133,079 135,111 -1.5

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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