This is the route we took last year:
Colorado Springs to Ft Collins via I-25
Ft Collins to Douglas, WY via I-25
Douglas to Buffalo, WY via I-25
From Buffalo we went to the FMCA Rally in Gillette, then continued to Sheridan, WY via I-90.
Sheridan to Billings, MT via I-90
Billings to Livingston, MT via I-90 and US-89 where we spent a week enjoying the Yellowstone area.
Livingston to Great Falls, MT via US-89
Great Falls to Lethbridge, AB via I-15 and CN-4
Lethbridge to Cochrane, AB via AB-3, AB-2, AB-201 and AB-1A
Cochrane to Hinton, AB via AB-22 and CN-16
Hinton to Grande Prairie, AB via AB-40
Grande Prairie to Dawson Creek, BC via AB-43 and Hwy-2
2012 Itasca Meridian 36M
2012 Jeep Wrangler