AMP: 2 Location: US-191 and S-426, Fergus Cty Reassurance shield after the 426 junction. AMP: 9 Location: US-191 and MT-81, Fergus Cty Seven miles later, we’ll approach Montana 81. AMP: 9 Location: US-191 and MT-81, Fergus Cty Follow Montana 81 west towards Denton. AMP: 9 Location: US-191 and MT-81, Fergus Cty Turn left for Montana 81 west.  N to … Continue reading U.S. Route 191, S-426 to MT-81