| Value | Category | Cases | |
|---|---|---|---|
| 1 | two-lane made road, | 127 |
6.4%
|
| 2 | single-lane made road | 1425 |
71.8%
|
| 3 | all-season dirt road | 375 |
18.9%
|
| 4 | dirt road, seasonally not viable | 59 |
3%
|