Bacon Tunnel Bacon Tunnel Grant 1713 Coulee City
Battery Street Subway Battery Street Subway King 125 Seattle South
Nelson Bennett Tunnel Nelson Bennett Tunnel Pierce 236 Gig Harbor
South Portal South Portal King 13 Seattle South
Penstock Tunnel Penstock Tunnel Pierce 518 Sumner
Cascade Tunnel Cascade Tunnel King 5266 Stevens Pass
Palmer Mountain Tunnel Palmer Mountain Tunnel Okanogan 1644 Enterprise
Snoqualmie Tunnel Snoqualmie Tunnel King 3360 Snoqualmie Pass
Stampede Tunnel Stampede Tunnel King 3845 Stampede Pass
Old Cascade Tunnel Old Cascade Tunnel Chelan 4705 Labyrinth Mountain
North Portal North Portal King 89 Seattle South
Asarco Smelter Tunnel Asarco Smelter Tunnel Pierce 85 Gig Harbor
Battery Street Tunnel Battery Street Tunnel King 125 Seattle South
Fort Columbia Tunnel Fort Columbia Tunnel Pacific 98 Chinook
Knapps Hill Tunnel Knapps Hill Tunnel Chelan 1335 Winesap
Lake Keechelus Snowshed Tunnel Lake Keechelus Snowshed Tunnel Kittitas 2556 Stampede Pass
Mount Baker Ridge Tunnel Mount Baker Ridge Tunnel King 135 Seattle South
Multon Falls Tunnel Multon Falls Tunnel King 663 Yacolt
New Cascade Tunnel New Cascade Tunnel Chelan 4836 Stevens Pass
Rimrock Tunnel Rimrock Tunnel Yakima 2861 Rimrock Lake
Tunnel No. 1 Tunnel No. 1 Skamania 295 Hood River
Tunnel No. 2 Tunnel No. 2 Skamania 262 Hood River
Tunnel No. 3 Tunnel No. 3 Skamania 203 Hood River
Tunnel No. 4 Tunnel No. 4 Skamania 243 Hood River
Tunnel No. 5 Tunnel No. 5 Skamania 164 Hood River
Tunnel on US 2 Tunnel on US 2 King 988 Grotto
Tunnel on WA 123 Tunnel on WA 123 Pierce 3996 Chinook Pass
Tunnel on WA 14 Tunnel on WA 14 Klickitat 203 Lyle