| Value | Category |
|---|---|
| 0 | NIU (not in universe) |
| 10 | None, does not travel to work or school |
| 20 | Walking |
| 21 | Walks or bicycle |
| 22 | Walks, bicycle, or motorcycle |
| 30 | Private vehicle |
| 31 | Auto, truck, or van |
| 32 | Auto (driver) |
| 33 | Auto (passenger) |
| 34 | Auto, motorcycle, moped |
| 35 | Motorcycle or moped |
| 36 | Bicycle |
| 37 | Bicycle or motorcycle |
| 38 | Bicycle or moped |
| 40 | Public transportation |
| 41 | Bus or trolley bus |
| 42 | Bus or streetcar |
| 43 | Streetcar or trolley car |
| 44 | Railroad or train |
| 45 | Subway or elevated train |
| 46 | Other public transportation |
| 50 | Other |
| 51 | Taxicab |
| 52 | Ferryboat |
| 53 | Special transportation (company coach, school bus, etc.) |
| 54 | Hired transport |
| 55 | Shared private transport |
| 56 | Horse |
| 57 | Other, not elsewhere classified |
| 60 | Combination of several means |
| 99 | Unknown/missing |
| Name | Vocabulary |
|---|---|
| Work Variables -- PERSON | IPUMS |