| PS | A private passenger type vehicle registered with the state or governing body as a non-commercial vehicle but is used to transport students for consideration. |
| AC | Artisan Contractor |
| BU | Business |
| CP | Car Pool |
| CL | Clergy |
| CM | Commercial |
| COM | Commute |
| E | Driven To and From School |
| DW | Driven To and From Work |
| DO | Drive to Work or School Over 15 Miles |
| DU | Drive to Work or School Under 15 Miles |
| FM | Farm |
| FH | For Hire |
| G | Government |
| OT | Other |
| PL | Pleasure |
| RT | Retail |
| SR | Service |
| S | Show (Restricted Use) |
| DC | Transport for Day Care Center |
| VO | Van Pools (all other) |
| VE | Van Pools (Employer Furnished) |