April 2008 Traffic Volume Trends
Individual Monthly Motor Vehicle Travel in the U.S. for April 2008
Table - 1. Estimated Individual Monthly Motor Vehicle Travel in the United States**
| Month |  
| JAN | 
FEB | 
MAR | 
APR | 
MAY | 
JUN | 
JUL | 
AUG | 
SEP | 
OCT | 
NOV | 
DEC |  
| 2007 Individual Monthly Vehicle-Miles of Travel in Billions |  
| Rural Interstate | 
18.8 | 
17.6 | 
21.2 | 
21.6 | 
22.7 | 
22.7 | 
24.0 | 
24.0 | 
21.1 | 
22.2 | 
21.4 | 
20.5 |  
| Rural Other Arterial | 
28.8 | 
27.3 | 
33.0 | 
32.2 | 
34.7 | 
34.9 | 
36.8 | 
36.2 | 
32.8 | 
35.0 | 
31.9 | 
30.8 |  
| Other Rural | 
28.4 | 
26.4 | 
32.6 | 
32.0 | 
34.7 | 
34.1 | 
34.8 | 
34.5 | 
31.6 | 
33.2 | 
29.5 | 
29.1 |  
| Urban Interstate | 
37.2 | 
34.9 | 
40.8 | 
40.0 | 
42.5 | 
42.4 | 
41.0 | 
41.9 | 
38.7 | 
40.4 | 
39.0 | 
37.3 |  
| Urban Other Arterial | 
83.3 | 
78.5 | 
92.1 | 
88.0 | 
92.7 | 
91.2 | 
90.1 | 
94.2 | 
83.9 | 
90.5 | 
85.5 | 
83.8 |  
| Other Urban | 
34.2 | 
32.2 | 
37.5 | 
36.5 | 
39.1 | 
37.2 | 
37.2 | 
39.7 | 
36.8 | 
37.4 | 
36.4 | 
35.0 |  
| All Systems | 
230.7 | 
216.9 | 
257.3 | 
250.3 | 
266.4 | 
262.5 | 
263.9 | 
270.5 | 
244.9 | 
258.7 | 
243.7 | 
236.5 |  
| 2008 Individual Monthly Vehicle-Miles of Travel in Billions |  
| Rural Interstate | 
18.4 | 
17.4 | 
20.7 | 
20.5 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Rural Other Arterial | 
28.2 | 
27.3 | 
31.4 | 
31.3 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Other Rural | 
27.8 | 
26.1 | 
30.5 | 
31.4 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Urban Interstate | 
36.8 | 
34.8 | 
39.6 | 
39.6 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Urban Other Arterial | 
81.8 | 
78.2 | 
88.1 | 
87.1 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Other Urban | 
33.8 | 
32.1 | 
35.9 | 
36.1 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| All Systems | 
226.9 | 
215.8 | 
246.2 | 
245.9 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| * Percent Change In Individual Monthly Travel 2007 vs. 2008 |  
| Rural Interstate | 
-2.2 | 
-1.2 | 
-2.6 | 
-5.2 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Rural Other Arterial | 
-1.9 | 
-0.3 | 
-4.8 | 
-2.9 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Other Rural | 
-2.1 | 
-1.2 | 
-6.4 | 
-2.2 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Urban Interstate | 
-1.1 | 
-0.6 | 
-3.0 | 
-1.1 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Urban Other Arterial | 
-1.8 | 
-0.4 | 
-4.4 | 
-1.0 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Other Urban | 
-1.0 | 
-0.2 | 
-4.4 | 
-1.1 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| All Systems | 
-1.6 | 
-0.5 | 
-4.3 | 
-1.8 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |   
 
	Table - 2. Estimated Cumulative Monthly Motor Vehicle Travel in the United States**
| Month |  
| JAN | 
FEB | 
MAR | 
APR | 
MAY | 
JUN | 
JUL | 
AUG | 
SEP | 
OCT | 
NOV | 
DEC |  
| 2007 Cumulative Monthly Vehicle-Miles of Travel in Billions |  
| Rural Interstate | 
18.8 | 
36.3 | 
57.6 | 
79.1 | 
101.8 | 
124.5 | 
148.4 | 
172.4 | 
193.5 | 
215.7 | 
237.1 | 
257.6 |  
| Rural Other Arterial | 
28.8 | 
56.1 | 
89.1 | 
121.3 | 
156.0 | 
190.9 | 
227.7 | 
263.9 | 
296.7 | 
331.7 | 
363.6 | 
394.4 |  
| Other Rural | 
28.4 | 
54.9 | 
87.4 | 
119.5 | 
154.2 | 
188.3 | 
223.2 | 
257.7 | 
289.2 | 
322.4 | 
352.0 | 
381.1 |  
| Urban Interstate | 
37.2 | 
72.2 | 
113.0 | 
153.0 | 
195.5 | 
237.9 | 
278.9 | 
320.8 | 
359.5 | 
399.9 | 
438.9 | 
476.2 |  
| Urban Other Arterial | 
83.3 | 
161.8 | 
253.9 | 
341.9 | 
434.6 | 
525.8 | 
616.0 | 
710.2 | 
794.1 | 
884.6 | 
970.1 | 
1053.9 |  
| Other Urban | 
34.2 | 
66.3 | 
103.9 | 
140.3 | 
179.4 | 
216.7 | 
253.8 | 
293.5 | 
330.3 | 
367.8 | 
404.1 | 
439.1 |  
| All Systems | 
230.7 | 
447.6 | 
704.9 | 
955.3 | 
1221.6 | 
1484.1 | 
1748.0 | 
2018.5 | 
2263.4 | 
2522.1 | 
2765.8 | 
3002.3 |  
| 2008 Cumulative Monthly Vehicle-Miles of Travel in Billions		
								 |  
| Rural Interstate | 
18.4 | 
35.7 | 
56.4 | 
76.8 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Rural Other Arterial | 
28.2 | 
55.5 | 
86.9 | 
118.2 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Other Rural | 
27.8 | 
54.0 | 
84.4 | 
115.8 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Urban Interstate | 
36.8 | 
71.6 | 
111.2 | 
150.8 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Urban Other Arterial | 
81.8 | 
160.0 | 
248.2 | 
335.3 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Other Urban | 
33.8 | 
65.9 | 
101.8 | 
137.9 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| All Systems | 
226.9 | 
442.7 | 
688.9 | 
934.8 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| * Percent Change In Cumulative Monthly Travel 2007 vs. 2008 |  
| Rural Interstate | 
-2.2 | 
-1.7 | 
-2.0 | 
-2.9 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Rural Other Arterial | 
-1.9 | 
-1.1 | 
-2.5 | 
-2.6 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Other Rural | 
-2.1 | 
-1.7 | 
-3.4 | 
-3.1 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Urban Interstate | 
-1.1 | 
-0.9 | 
-1.6 | 
-1.5 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Urban Other Arterial | 
-1.8 | 
-1.1 | 
-2.3 | 
-1.9 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| Other Urban | 
-1.0 | 
-0.6 | 
-2.0 | 
-1.8 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |  
| All Systems | 
-1.6 | 
-1.1 | 
-2.3 | 
-2.1 | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  |   
*Percent change is based on vehicle travel in millions of miles. 
 |