| Value | Category | Cases | |
|---|---|---|---|
| 1 | Paved, multi-lane in each direction | 0 |
0%
|
| 2 | Paved, single-lane in each direction | 9 |
47.4%
|
| 3 | Gravel, single-lane in each direction | 6 |
31.6%
|
| 4 | Dirt, single lane | 4 |
21.1%
|
| Sysmiss | 80 |