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Highway Statistics 2007

Changes in Travel Demand

Realtive Changes in Travel Characteristics, 1969 - 2001

  Men Women
Percent Change in Population 16+ 52.7% 49.7%
Percent Change in Drivers 63.0% 112.9%
Percent Change in Workers 61.3% 145.1%

 

  1969 1977 1983 1990 (adj) 1995 2001
Households 62504 75412 85371 93347 98900 107369
Persons 197213 213141 229453 239416 259994 277208
Household Vehicle Trips 87284 108826 126874 193,916 229745 234994
Person Trips 145146 211778 224385 304,471 378930 410969
Household VMT 775940 907603 1002139 1,695,290 2068368 2281863
Person Miles of Travel 1404137 1879215 1946662 2,829,936 3411122 4026158
CO 88034         50386
N0x 7390         7765
VOC 12972         5325

 

  Percent Change since 1969
Persons 40.56%
Households 71.78%
Person Trips 183.14%
Person Miles 186.74%
Vehicle Trips 169.23%
Vehicle Miles 194.08%
Road Miles 6.45%
Annual Fatalities -19.95%
N0x Emmission 5.07%
C0 -42.77%
VOC -58.95%

Realtive Changes in Travel Characteristics, 1969 - 2001 Bar Graph

Source:  National Household Travel Survey, 1969 - 2001

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Updated: 01/03/2012

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United States Department of Transportation - Federal Highway Administration