AMP: 11 Location: East River Rd and Murphy Ln, Park Cty No reassurance shield after S-571. AMP: 12 Location: East River Rd and Chico Rd, Park Cty Less than a mile later, we’ll approach S-572. Turn right for 572, a quick spur over to Chico Hot Springs.  N to US-89, S to US-89  E to Chico Hot … Continue reading Montana Secondary Highway 540, S-571 to S-572