Value | Category | Cases | |
---|---|---|---|
-2 | don't know | 0 |
0%
|
-1 | refuse | 0 |
0%
|
1 | Paved, multi-lane in each direction | 0 |
0%
|
2 | Paved, single-lane in each direction | 0 |
0%
|
3 | Gravel, single-lane in each direction | 5 |
26.3%
|
4 | Dirt, single lane | 14 |
73.7%
|
Sysmiss | 1030 |