| Value | Category | Cases | |
|---|---|---|---|
| 1 | TAR/ASPHALT | 52 |
25.5%
|
| 2 | GRADED GRAVELED | 60 |
29.4%
|
| 3 | DIRT ROAD (MAINTAINED) | 77 |
37.7%
|
| 4 | DIRT TRACK | 15 |
7.4%
|