| Parker |
| Blue Lake @ SR 17 MP 90.3 |
| Silica Road |
| South Blewett |
| Knapps Tunnel |
| Rocky Canyon |
| Dryden Road |
| Manastash Ridge Eastbound |
| Palisades |
| EB I-90@SR-18 Echo Lake |
| White Pass Summit |
| WB I-90 near Tanner Crossing |
| Methow |
| Ryegrass Summit |
| Zillah |
| Stevens Pass |
| Winton |
| Quincy Rest Area |
| Waterville |
| Vantage |
| Dodson Road |
| Denny Creek |
| Price Creek |
| Bullfrog |
| South Umtanum @ I-82 |