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Categories
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1960
|
1970
|
1980
|
1990
|
2000
|
2002
|
2004
|
|
Vehicles registered (in thousands)*
|
73,858
|
111,242
|
161,490
|
193,057
|
225,821
|
234,624
|
243,023
|
|
Vehicle miles traveled (millions)
|
718,762
|
1,109,724
|
1,527,295
|
2,144,362
|
2,746,925
|
2,855,508
|
2,962,513
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|
Fuel consumed (million gallons)
|
57,880
|
92,329
|
114,960
|
130,755
|
162,554
|
168,682
|
173,750
|
|
Average miles traveled per vehicle (thousands)
|
9.7
|
10.0
|
9.5
|
11.1
|
12.2
|
12.2
|
12.2
|
|
Average miles traveled per gallon
|
12.4
|
12.0
|
13.3
|
16.4
|
16.9
|
16.9
|
17.1
|
|
Average fuel consumed per vehicle (gallons)
|
784
|
830
|
712
|
677
|
720
|
719
|
715
|
|
*Includes personal passenger vehicles, buses and trucks
Sources: 1960-94 U.S. Dept. of Transportation, Federal Highway Administration, Highway Statistics Summary to 1995
FHWA-PL-97-009 (Washington, DC, July 1997), Table VM-201A
1995-2004: ibid., Highway Statistics (Washington, DC Annual issues), table VM-1.
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