| 2009 NHTS |
| Vehicle Trips (Travel Day VT, annualized, millions) |
| Number of Vehicle Trips (VT) by Household Vehicle Count |
| Count of HH Vehicles | Travel Day Vehicle Trips | ||
|---|---|---|---|
| Sample Size | Sum (Millions) | Percent | |
| 0 | 1,777 | 1,037 | 0.4 |
| 1 | 132,667 | 47,945 | 20.5 |
| 2 | 334,752 | 99,698 | 42.6 |
| 3 | 173,194 | 49,717 | 21.3 |
| 4 | 68,096 | 21,399 | 9.2 |
| 5 | 24,054 | 9,227 | 3.9 |
| 6 | 8,107 | 2,785 | 1.2 |
| 7 | 2,885 | 1,041 | 0.4 |
| 8 | 1,330 | 588 | 0.3 |
| 9 | 622 | 195 | 0.1 |
| 10 | 305 | 128 | 0.1 |
| 11 | 149 | 53 | 0.0 |
| 12 | 106 | 31 | 0.0 |
| 13 | 16 | 2 | 0.0 |
| 14 | 47 | 2 | 0.0 |
| 15 | 18 | 2 | 0.0 |
| 23 | 10 | 0 | 0.0 |
| 27 | 7 | 1 | 0.0 |
| All | 748,142 | 233,849 | 100.0 |