"TABLE 5-16  Daily Trips by Age Group by Time of Day: 2001
",,,,
,Ages 19-64,,Ages 65+,
,Number (millions),Percent,Number (millions),Percent
Midnight - 1am,"1,351.5",0.5,42.0,0.1
1am - 2am,810.9,0.3,0.0,0.0
2am - 3am,540.6,0.2,0.0,0.0
3am- 4am,270.3,0.1,0.0,0.0
4am- 5am,"1,351.5",0.5,42.0,0.1
5am- 6am,"3,513.9",1.3,210.0,0.5
6am- 7am,"8,379.3",3.1,546.0,1.3
7am- 8am,"15,947.7",5.9,"1,427.9",3.4
8am- 9am,"14,596.2",5.4,"2,267.8",5.4
9am- 10am,"12,974.4",4.8,"3,569.7",8.5
10am- 11am,"15,407.1",5.7,"4,283.7",10.2
11am- Noon,"17,569.5",6.5,"4,199.7",10.0
Noon - 1pm,"20,542.8",7.6,"3,737.7",8.9
1pm- 2pm,"17,839.8",6.6,"3,737.7",8.9,
2pm- 3pm,"17,839.8",6.6,"3,653.7",8.7,
3pm- 4pm,"19,731.9",7.3,"3,359.8",8.0,
4pm- 5pm,"21,083.4",7.8,"2,897.8",6.9,
5pm- 6pm,"22,164.6",8.2,"2,393.8",5.7,
6pm- 7pm,"18,380.4",6.8,"2,057.9",4.9,
7pm- 8pm,"14,325.9",5.3,"1,385.9",3.3,
8pm- 9pm,"10,541.7",3.9,"1,007.9",2.4,
9pm- 10pm,"7,838.7",2.9,672.0,1.6,
10pm- 11pm,"4,595.1",1.7,378.0,0.9,
11 pm - Midnight,"2,973.3",1.1,126.0,0.3,
Total,"270,300.0",100.1,"41,997.0",100.0,
"
NOTE: Standard error data are not available.  Percentages do not necessarily add to 100 due to rounding.",,,,,
"
SOURCE: Percent—D.V. Collia, J. Sharp, L. Giesbrecht, ""The 2001 National Household Travel Survey: A Look Into the Travel Patterns of Older Americans,"" Journal of Safety Research 34 (2003).  Number—U.S. Department of Transportation, Bureau of Transportation Statistics, calculations.",,,,,