| Stany | km | % Poprawnych |
|---|---|---|
| Montana | 877 | 100%
|
| Waszyngton | 687 | 100%
|
| Maine | 983 | 89%
|
| Minnesota | 880 | 89%
|
| Teksas | 1997 | 89%
|
| Arizona | 600 | 78%
|
| Dakota Północna | 499 | 67%
|
| Michigan | 1160 | 67%
|
| Nowy Jork | 716 | 67%
|
| Alaska | 2475 | 56%
|