Table 1.
Annual trips: number and kilometers, by age and yeara
| Person type | Age (yr) | Year | Average number of annual trips (95 % CI) | Average annual kilometers (95 % CI) |
|---|---|---|---|---|
| Driver of passenger vehicle | 16 | 1995-1996 | 521 (444 – 598) | 4,588 (3,814 – 5,364) |
| 2001-2002 | 518 (450 – 586) | 5,208 (4,297 – 6,117) | ||
| 2008-2009 | 321 (268 – 375) | 2,729 (2,115 – 3,343) | ||
| 17 | 1995-1996 | 897 (802 – 993) | 9,685 (7,326 – 12,046) | |
| 2001-2002 | 771 (695 – 848) | 9,065 (7,047 – 11,082) | ||
| 2008-2009 | 624 (560 – 688) | 6,025 (5,189 – 6,862) | ||
| 20-24 | 1995-1996 | 1,152 (1,104 – 1,201) | 17,263 (16,032 – 18,493) | |
| 2001-2002 | 1,038 (1,001 – 1,075) | 17,424 (16,245 – 18,602) | ||
| 2008-2009 | 943 (899 – 987) | 14,841 (13,770 – 15,913) | ||
| Passenger in passenger vehicle | 16 | 1995-1996 | 779 (692 – 867) | 10,564 (7,747 – 13,378) |
| 2001-2002 | 720 (649 – 790) | 8,913 (7,733 – 10,092) | ||
| 2008-2009 | 560 (509 – 611) | 9,384 (7,678 – 11,090) | ||
| 17 | 1995-1996 | 715 (641 – 788) | 10,372 (7,269 – 13,475) | |
| 2001-2002 | 580 (507 – 652) | 8,779 (7,131 – 10,429) | ||
| 2008-2009 | 357 (313 – 400) | 7,792 (5,615 – 9,971) | ||
| 20-24 | 1995-1996 | 361 (328 – 394) | 7,269 (6,090 – 8,449) | |
| 2001-2002 | 332 (306 – 357) | 6,869 (5,860 – 7,879) | ||
| 2008-2009 | 199 (177 – 220) | 3,697 (3,045 – 4,350) | ||
| Bus rider | 16 | 1995-1996 | 117 (93 – 141) | 1,421 (995 – 1,846) |
| 2001-2002 | 122 (99 – 146) | 1,798 (1,136 – 2,457) | ||
| 2008-2009 | 114 (95 – 134) | 1,831 (1,308 – 2,354) | ||
| 17 | 1995-1996 | 63 (47 – 78) | 1,054 (665 – 1,444) | |
| 2001-2002 | 76 (57 – 95) | 1,231 (911 – 1,551) | ||
| 2008-2009 | 130 (105 – 155) | 2,412 (1,622 – 3,204) | ||
| 20-24 | 1995-1996 | 29 (22 – 35) | 431 (275 – 586) | |
| 2001-2002 | 32 (25 – 39) | 475 (280 – 669) | ||
| 2008-2009 | 32 (23 – 41) | 462 (277 – 647) | ||
| Bicyclist | 16 | 1995-1996 | 19 (9 – 29) | 55 (14 – 95) |
| 2001-2002 | 12 (5 – 18) | 37 (3 – 71) | ||
| 2008-2009 | 13 (9 – 18) | 31 (19 – 43) | ||
| 17 | 1995-1996 | 14 (5 – 23) | 18 (5 – 32) | |
| 2001-2002 | 14 (4 – 24) | 47 (8 – 84) | ||
| 2008-2009 | 9 (5 – 12) | 24 (10 – 37) | ||
| 20-24 | 1995-1996 | 16 (9 – 23) | 61 (11 – 111) | |
| 2001-2002 | 6 (4 – 9) | 16 (8 – 24) | ||
| 2008-2009 | 14 (8 – 21) | 92 (40 – 142) | ||
| Pedestrian | 16 | 1995-1996 | 145 (108 – 181) | 164 (97 – 232) |
| 2001-2002 | 157 (128 – 185) | 161 (129 – 192) | ||
| 2008-2009 | 196 (155 – 236) | 246 (156 – 336) | ||
| 17 | 1995-1996 | 108 (82 – 134) | 92 (64 – 117) | |
| 2001-2002 | 127 (91 – 162) | 177 (116 – 237) | ||
| 2008-2009 | 150 (114 – 186) | 164 (126 – 204) | ||
| 20-24 | 1995-1996 | 99 (85 – 113) | 80 (68 – 95) | |
| 2001-2002 | 137 (121 – 153) | 145 (122 – 169) | ||
| 2008-2009 | 124 (107 – 141) | 140 (114 – 164) |
Abbreviation: CI confidence interval
a Data from the National Household Travel Survey