Chelan

Nisqually on I-5 @ MP 116

Outlook

Laurier

Asahel Curtis

Ryegrass Summit

WB I-90 near Tanner Crossing

Blaine @ SR 543 MP 0

Satus Pass

White Pass Summit

Cashmere

Horse Heaven

Metaline Falls

Sellards Road on SR 221

Palisades

Elk Heights

Mansfield

Loup Loup Pass on SR 20

SB I-5 144th

Dodson Road

Waterville

Stevens Pass

Seibert Creek Bridge

Lake Samish Park and Ride

130th Street

Rock Candy Mountain

US-195 @ Uniontown

Nespelem

Blue Lake @ SR 17 MP 90.3

Ferry County Line

SR 395 Ritzville

Aeneas Valley Rd

Medical Lake at 272

Maryhill

Paradise Point on I-5@ MP 18.5

South Umtanum @ I-82

SMITH ISLAND

TATOOSH ISLAND

BUOY COLUMBIA RIVER BAR

DESTRUCTION IS

Delaney

Clayton Rd

MEACHAM MEACHAM

LA GRANDE AUTOMATIC WEATHER OBSERVING / REPORTING SYSTEM

COEUR DALENE AUTOMATIC WEATHER OBSERVING / REPORTING SYSTEM

ASTORIA ASTORIA REGIONAL AIRPORT

ARLINGTON MUNICIPAL

CHEHALIS AIRPORT

BREMERTON NATIONAL AUTOMATIC WEATHER OBSERVING / REPORTING SYSTEM

KM Mountain

PENDLETON EASTERN OREGON REGIONAL AT PENDLETON AIRPORT

PORTLAND PORTLAND INTERNATIONAL AIRPORT

PORTLAND PORTLAND-HILLSBORO AIRPORT

MCMINNVILLE MCMINNVILLE MUNICIPAL AIRPORT

WALLA WALLA WALLA WALLA REGIONAL AIRPORT

AURORA AURORA STATE AIRPORT

QUILLAYUTE QUILLAYUTE STATE AIRPORT

THE DALLES THE DALLES MUNICIPAL AIRPORT

HOQUIAM BOWERMAN AIRPORT

TILLAMOOK AIRPORT

THUN FIELD

Cape Horn

Heckelville Shed

CAPE ELIZABETH BUOY