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Road Usage and Safety

Source:  Department of Transportation

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ROAD USAGE AND SAFETY
  Calendar Year
2000 2001 2002 2003 2004 2005 2006
Interstate System
  Vehicle Miles Traveled1 14.889 15.165 15.311 15.398 15.285 15.374 15.430
  Accidents per 100 Million Miles 115 114 111 106 109 121 121
  Fatalities per 100 Million Miles 0.6 0.6 0.5 0.4 0.4 0.4 0.5
State Highways2
  Vehicle Miles Traveled1 15.645 15.735 16.175 16.266 16.272 16.255 16.334
  Accidents per 100 Million Miles 204 204 202 190 192 210 206
  Fatalities per 100 Million Miles 1.7 1.6 1.6 1.4 1.3 1.5 1.4
County Roads
  Vehicle Miles Traveled1 9.050 8.760 8.734 8.759 8.581 8.527 9.283
  Accidents per 100 Million Miles na4 202 214 198 211 226 196
  Fatalities per 100 Million Miles na4 2.2 2.4 2.1 2.1 2.5 2.1
City Streets
  Vehicle Miles Traveled1 13.740 13.424 13.963 14.002 14.996 14.77 14.768
  Accidents per 100 Million Miles na4 439 412 404 391 419 411
  Fatalities per 100 Million Miles na4 0.8 0.7 0.8 0.6 0.8 0.9
Total4
  Vehicle Miles Traveled1 53.829 53.669 54.777 55.013 55.675 55.487 56.532
  Accidents per 100 Million Miles na4 236 231 221 225 242 233
  Fatalities per 100 Million Miles na4 1.2 1.2 1.1 1.0 1.2 1.1

ROAD USAGE AND SAFETY
  Calendar Year
1994 1995 1996 1997 1998 1999
Interstate System
  Vehicle Miles Traveled1 12.816 13.199 13.385 13.996 14.358 14.562
  Accidents per 100 Million Miles 110 117 133 na4 na4 118
  Fatalities per 100 Million Miles 0.5 0.5 0.7 na4 na4 0.5
State Highways2
  Vehicle Miles Traveled1 13.963 14.114 14.185 14.720 15.057 15.635
  Accidents per 100 Million Miles 223 229 237 na4 na4 209
  Fatalities per 100 Million Miles 1.7 1.9 1.9 na4 na4 1.7
County Roads
  Vehicle Miles Traveled1 9.475 9.190 8.900 9.095 8.757 8.666
  Accidents per 100 Million Miles 262 267 248 na4 na4 na4
  Fatalities per 100 Million Miles 2.3 2.2 2.5 na4 na4 na4
City Streets
  Vehicle Miles Traveled1 10.918 12.209 12.272 12.718 13.193 13.289
  Accidents per 100 Million Miles 537 507 537 na4 na4 na4
  Fatalities per 100 Million Miles 0.9 0.9 0.9 na4 na4 na4
Total4
  Vehicle Miles Traveled1 47.673 49.248 49.270 51.073 51.926 52.712
  Accidents per 100 Million Miles 272 274 285 na4 na4 na4
  Fatalities per 100 Million Miles 1.3 1.3 1.4 na4 na4 na4

1Billions of miles.
2Includes data for routes designated as U.S. Routes.
3Includes U.S. Forest, National Park, Other Federal, Tribal, State Parks, and Other State Roadways.
4Due to difficulties encountered in implementing a previous accident records system in the state, complete data are not currently available for these years.

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Table TT02
Last modified March 28, 2008
OFM Forecasting Division
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