TABLE 4-8  Annual Trips each Weekday by Departure Time and Age: 2001 ,,,,,,,,,
Millions,,,,,,,,,
,Age groups,,,,,,,,
,0–20,,,21–65,,,66 and over,,
Hour of departure,Number ,SE ,Percent,Number ,SE ,Percent,Number ,SE ,Percent
12:00 am,177.6,26.9,0.3,714.8,47.6,0.4,14.3,4.1,0.1
1:00 am,88.0,14.6,0.1,369.5,32.3,0.2,2.3,1.2,0.0
2:00 am,62.1,15.6,0.1,247.4,32.7,0.1,1.1,0.8,0.0
3:00 am,23.0,7.3,0.0,159.8,18.1,0.1,0.9,0.7,0.0
4:00 am,107.2,45.7,0.2,"1,136.4",59.2,0.6,29.5,6.7,0.1
5:00 am,238.8,33.5,0.3,"3,053.3",81.6,1.6,122.8,14.9,0.4
6:00 am,"1,653.9",82.3,2.4,"7,316.9",138.8,3.9,416.7,32.1,1.5
7:00 am,"7,204.7",168.6,10.6,"14,301.8",211.9,7.7,997.4,45.7,3.6
8:00 am,"4,702.7",134.4,6.9,"11,664.7",172.6,6.3,"1,546.5",51.5,5.6
9:00 am,"2,004.0",89.5,2.9,"8,681.8",163.3,4.7,"2,394.6",68.1,8.6
10:00 am,"2,588.9",121.5,3.8,"9,649.0",178.6,5.2,"2,915.6",100.4,10.5
11:00 am,"3,516.0",121.8,5.1,"11,642.6",176.1,6.3,"2,878.7",88.7,10.4,,,
12:00 pm,"3,565.5",132.6,5.2,"13,993.6",215.8,7.5,"2,501.1",74.4,9.0,,,
1:00 pm,"3,278.5",101.2,4.8,"11,731.9",228.9,6.3,"2,569.0",82.6,9.3,,,
2:00 pm,"6,123.8",164.7,9.0,"12,142.5",189.7,6.5,"2,568.0",88.2,9.3,,,
3:00 pm,"8,577.5",173.8,12.6,"14,645.5",186.8,7.9,"2,334.5",83.0,8.4,,,
4:00 pm,"5,868.6",155.9,8.6,"15,446.0",211.4,8.3,"1,919.4",59.2,6.9,,,
5:00 pm,"6,207.1",178.6,9.1,"16,825.5",220.3,9.1,"1,549.7",57.8,5.6,,,
6:00 pm,"3,904.2",125.9,5.7,"10,649.4",160.1,5.7,"1,033.2",53.0,3.7,,,
7:00 pm,"3,122.5",120.9,4.6,"7,853.9",149.7,4.2,747.5,41.8,2.7,,,
8:00 pm,"2,518.1",111.2,3.7,"5,930.4",144.8,3.2,475.3,33.6,1.7,,,
9:00 pm,"1,562.5",78.1,2.3,"4,003.5",107.5,2.2,376.0,29.9,1.4,,,
10:00 pm,768.7,75.2,1.1,"2,165.9",85.0,1.2,163.6,23.6,0.6,,,
11:00 pm,309.8,31.6,0.5,"1,343.7",60.0,0.7,53.6,8.8,0.2,,,
Not reported,115.4,20.8,0.2,129.2,23.9,0.1,81.0,21.5,0.3,,,
Total,"68,289.1",745.2,100.0,"185,798.7",906.2,100.0,"27,692.3",465.2,100.0,,,
KEY: SE = standard error.,,,,,,,,,,,,
"NOTE: Data are daily trips, which are generally defined as traveling from one address to another and not necessarily from home.  Most daily trips are local.  Data may not add to total because of independent rounding.",,,,,,,,,,,,
"SOURCE: U.S. Department of Transportation (USDOT), Research and Innovative Technology Administration, Bureau of Transportation Statistics and USDOT, Federal Highway Administration, 2001 National Household Travel Survey, CD-ROM, February 2005.",,,,,,,,,,,,