Spine Trains
- The North Coast: Chicago – Milwaukee – Twin Cities – Bismark – Billings – Laurel – Bozeman – Helena – Missoula – Spokane – Pasco – Yakima – Seattle.
- The Northern Lights: Los Angeles – Las Vegas – Salt Lake City – Idaho Falls – Butte – Helena – Shelby – Lethbridge – Calgary – Edmonton.
Additional Trains
- The Continental Divide: El Paso – Albuquerque – Trinidad – Pueblo – Denver – Cheyenne – Casper – Thermopolis – Laurel – (Helena) – (Shelby) – (Lethbridge) – (Calgary) – (Edmonton)
- The Great Plains: (New Orleans) – (Houston) – (Dallas) – (Oklahoma City) – (Newton) – (La Junta) – (Pueblo) – (Denver) – (Cheyenne) – (Casper) – (Thermopolis) – (Laurel) – (Helena) – (Missoula) – (Spokane) – (Pasco) – (Yakima) – (Seattle)
- The Lewis and Clark: (Chicago) – (Omaha) – (Denver) – (Cheyenne) – (Casper) – (Thermopolis) – (Laurel) – (Helena) – (Shelby) – (Lethbridge) – (Calgary) – (Edmonton)
As can be seen in the route matrix, The Great Plains and The Lewis and Clark are not actual trains but through cars operating as part of other trains.
The Continental Divide is combined with The North Coast from Laurel to Helena, and the Northern Lights from Helena to Edmonton
The Great Plains through cars operate via the Texas Zephyr from New Orleans to Denver, The Continental Divide from Denver to Laurel, and the North Coast from Laurel to Seattle
The Lewis and Clark through cars operate via the Pioneer Zephyr from Chicago to Denver, The Continental Divide from Denver to Laurel, The North Coast from Laurel to Helena and the Northern Lights from Helena to Edmonton.
