AMP: 47
Location: US-87 and US-12, Musselshell Cty
Reassurance shield after the 12 split.
AMP: 46
Location: US 12 and Valley Rd, Klein, Musselshell Cty
A mile later, we’ll enter unincorporated Klein
AMP: 45
Location: US 12 and Valley Rd, Musselshell Cty
Reassurance shield as we head out of Klein
AMP: 25
Location: US-87 at the Musselshell County Line, Yellowstone Cty
Reassurance shield as we enter Yellowstone County
AMP: 14
Location: US 87 and Peterson Rd, Yellowstone Cty
Reassurance shield a few miles later
AMP: 14
Location: US 87 and Peterson Rd, Yellowstone Cty
When US 312 was decommissioned, I guess they had to put something there. As of 2018 this is back on the primary highway system, but probably is unnumbered.
AMP: 4
Location: Roundup Rd and Huntley Rd, Yellowstone Cty
Hey, speak of the devil. Turn left for the Frontage Road/US 312 towards Huntley. As of 2018, old US 312 is back on the primary highway system as P-265. Keep right for Billings.
AMP:4
Location: Roundup Rd and Huntley Rd, Yellowstone Cty
Keep right for 87 south. Stay straight for P-265, which may or may not be Montana 265.