AMP: 50 Location: Tongue River Rd and Greenleaf Rd, Rosebud Cty No reassurance shield as S-332 begins. 332 is unpaved for its first 32 miles. AMP: 17 Location: Tongue River Rd and County Rd, Custer Cty 32 miles later, after we enter Custer County, pavement begins. AMP: 0 Location: Tongue River Rd and MT-59, Custer Cty 17 miles … Continue reading Montana Secondary Highway 332, S-447 to MT-59