the CP mountain sub is a route from field BC to revelstoke BC the route is over 202 km long and can come with 4 engines first off the GE es44ac GE ac4400cw the ac4400cw will sometimes have a P5 so DTG can make it so the ac44cw will sometimes have a P5, next is the emd sd70acu lastly is the EMD sd40- 2 the route has to go pass rogers pass which is a spot known for avalanches