| Value | Category | Cases | |
|---|---|---|---|
| 1 | TAR/ASPHALT | 170 |
22.1%
|
| 2 | GRADED GRAVELED | 192 |
25%
|
| 3 | DIRT ROAD (MAINTAINED) | 341 |
44.4%
|
| 4 | DIRT TRACK | 65 |
8.5%
|