| 2009 NHTS |
| Person Trips (Travel Day PT, annualized, millions) |
| Number of Person Trips (PT) by Household Vehicle Count |
| Count of HH Vehicles | Travel Day Person Trips | ||
|---|---|---|---|
| Sample Size | Sum (Millions) | Percent | |
| 0 | 22,464 | 17,030 | 4.3 |
| 1 | 207,217 | 83,734 | 21.4 |
| 2 | 521,881 | 163,100 | 41.6 |
| 3 | 262,019 | 76,753 | 19.6 |
| 4 | 99,720 | 31,402 | 8.0 |
| 5 | 34,596 | 12,955 | 3.3 |
| 6 | 11,505 | 4,017 | 1.0 |
| 7 | 4,284 | 1,571 | 0.4 |
| 8 | 1,809 | 871 | 0.2 |
| 9 | 875 | 301 | 0.1 |
| 10 | 449 | 155 | 0.0 |
| 11 | 205 | 72 | 0.0 |
| 12 | 146 | 44 | 0.0 |
| 13 | 30 | 12 | 0.0 |
| 14 | 72 | 3 | 0.0 |
| 15 | 19 | 2 | 0.0 |
| 23 | 23 | 0 | 0.0 |
| 27 | 7 | 1 | 0.0 |
| All | 1,167,321 | 392,023 | 100.0 |