AMP: 0 Location: S-224 and US-2, Joplin, Liberty Cty Reassurance shield as Secondary 224 begins. AMP: 0 Location: S-224 and US-2, Joplin, Liberty Cty Joplin is Montana’s Reno. AMP: 1 Location: S-224 and 3000 Rd, Liberty Cty No reassurance shield as we head out of Joplin. AMP: 18 Location: S-224 and 1200 Rd S, Liberty Cty 18 miles later, … Continue reading Montana Secondary Highway 224, US-2 to 1200 Rd S