| Value | Category | Cases | |
|---|---|---|---|
| 1 | Tar/Asphalt | 67 |
20.1%
|
| 2 | Graded Graveled | 51 |
15.3%
|
| 3 | Dirt Raod (Maintained) | 73 |
21.9%
|
| 4 | Dirt Track | 142 |
42.6%
|