Considering an identity change to the Montana Rail Link / Northern Pacific. Have long admired the MRL, and has connections to BNSF and UP, with interesting branch lines - one runs to Poison, Mont. Cool name. Have watched trains from the pedestrian overpass at the Missoula yard.
The connections don't actually come in at Missoula, so some poetic license needed.
BNSF has a currently unused connection from Helena to Great Falls, through Wolf Creek and Cascade.