AMP: 0 Location: Galen Rd and MT-48, Deer Lodge Cty Reassurance shield as 273 begins. AMP: 2 Location: Galen Rd and Lost Creek Rd, Deer Lodge Cty Reassurance shield a couple miles later. This may be the best signed secondary highway in Montana. AMP: 4 Location: Galen Rd and Spring Gulch Rd, Deer Lodge Cty Reassurance shield a … Continue reading Montana Secondary Highway 273, MT-48 to I-90