| Value | Category |
|---|---|
| 0 | NIU (not in universe) |
| 10 | Auto, truck, or van |
| 20 | Motorcycle |
| 31 | Bus or trolley bus |
| 32 | Streetcar or trolley car |
| 33 | Subway or elevated |
| 34 | Railroad |
| 35 | Taxicab |
| 36 | Ferryboat |
| 40 | Bicycle |
| 50 | Walked only |
| 60 | Other |
| 70 | Worked at home |
| Name | Vocabulary |
|---|---|
| Work Variables -- PERSON | IPUMS |