|
|
Categories
|
1980
|
1990
|
2000
|
2002
|
2004
|
|
Urban VMT, Total (millions)
|
855,265
|
1,275,484
|
1,663,773
|
1,727,596
|
1,892,265
|
|
Interstate
|
161,242
|
278,901
|
393,465
|
408,618
|
454,385
|
|
Other arterials
|
484,189
|
699,233
|
900,392
|
937,357
|
1,020,089
|
|
Collector
|
83,043
|
106,297
|
135,372
|
141,874
|
162,108
|
|
Local
|
126,791
|
191,053
|
234,544
|
239,747
|
255,683
|
|
Rural VMT, Total (millions)
|
672,030
|
868,878
|
1,083,152
|
1,128,160
|
1,070,248
|
|
Interstate
|
135,084
|
200,173
|
268,180
|
279,962
|
266,996
|
|
Other arterials
|
262,774
|
330,866
|
420,599
|
433,805
|
409,944
|
|
Collector
|
189,468
|
240,460
|
267,231
|
275,007
|
260,931
|
|
Local
|
84,704
|
97,379
|
127,142
|
139,386
|
132,377
|
|
Urban VMT per lane mile, Total (thousands)
|
613
|
764
|
869
|
861
|
860
|
|
Interstate
|
3,327
|
4,483
|
5,323
|
5,440
|
5,479
|
|
Other arterials
|
1,451
|
1,751
|
1,974
|
2,025
|
2,019
|
|
Collector
|
572
|
634
|
718
|
743
|
745
|
|
Local
|
146
|
184
|
196
|
188
|
184
|
|
Rural VMT per lane mile, Total (thousands)
|
103
|
136
|
172
|
179
|
174
|
|
Interstate
|
1,031
|
1,473
|
1,993
|
2,080
|
2,088
|
|
Other arterials
|
518
|
640
|
778
|
797
|
771
|
|
Collector
|
132
|
164
|
189
|
195
|
189
|
|
Local
|
19
|
23
|
30
|
33
|
32
|
|
Source: U.S. Dept. of Transportation, FHWA.
|
|
|