AMP: 116 Location: US-93 and Reserve Dr, Flathead Cty No reassurance shield after the 548 junction. 93 is a 4-lane highway all the way up to Whitefish. AMP: 125 Location: US-93 and MT-40, Flathead Cty Just south of Whitefish, we’ll approach Montana 40. AMP: 125 Location: US-93 and MT-40, Flathead Cty Montana 40 is a … Continue reading U.S. Route 93, US-93 Alt/S-548 to MT-40