| 1 | 1 | Interstate Highway, main lanes |
| 1 | 2 | US Highway numbered freeway |
| 1 | 3 | State Route numbered freeway |
| 2 | 3 | State route that is a principal arterial |
| 2 | 2 | US Highway that is a prinicpal arterial |
| 3 | 3 | State route that is a minor arterial |
| 3 | 4 | County road that is a minor arterial |
| 4 | 4 | County road that is a collector road |
| 5 | 5 | Neighborhood road in county |
| 5 | 10 | Neighborhood road in municipality |
| 6 | 6 | Alley Private |
| 7 | 14 | Landmarks |
| 8 | 9 | Railroad |
| 9 | 1 | Low speed ramp to and from interstate |
| 9 | 8 | Low speed ramp not for interstate |
| 10 | 2 | Driveways off US Routes needed for addressing |
| 10 | 3 | Driveways off State Routes needed for addressing |
| 10 | 4 | Driveways off County Roads needed for addressing |
| 10 | 5 | Private Neighborhood roads |
| 10 | 10 | Private municipal roads |
| 11 | 5 | Neighborhood Roads not built |
| 11 | 6 | Private Roads not built |
| 11 | 10 | Municipal Roads not built |
| 12 | 17 | Path or trail accessible by vehicle |
| 12 | 15 | Non vehicular path or trail |
| CLASS | TYPECODE | DESCRIPTION |