Snoqualmie Pass on I-90

Snoqualmie Summit on I-90 @ MP52

Stevens Pass on US 2

US 2 MP 64.5 West Stevens Pass - Ski Lodge

Blewett Pass on US 97

US 97 MP 164 Blewett Pass Summit

White Pass on US 12

White Pass Summit on US12 @ MP 150.9

Manastash Pass on I-82

Manastash Ridge Summit on I-82 @ MP 7