| Value | Category | Cases | |
|---|---|---|---|
| 1 | Paved, multi-lane in each direction | 43 |
32.6%
|
| 2 | Paved, single-lane in each direction | 67 |
50.8%
|
| 3 | Gravel, single-lane in each direction | 14 |
10.6%
|
| 4 | Dirt, single lane | 8 |
6.1%
|
| 11 | .A | 2 | |
| Sysmiss | 166 |