AMP: 10 Location: US-87 and S-427, Judith Basin Cty Reassurance shield after the 427 junction. AMP: 10 Location: US-87 and 2nd Ave, Raynesford, Judith Basin Cty Just after S-427, we’ll pass by unincorporated Raynesford. AMP: 0 Location: US-87 and US-89, Cascade Cty A few miles later, we’ll cross into Cascade County and approach US-89. Follow 89 south to … Continue reading Montana Highway 200, S-427 to US-89