AMP: 10 Location: US-87 and S-427, Judith Basin Cty No reassurance shield after S-427 as we head out of Raynesford. AMP: 21 Location: US-87 and S-551, Judith Basin Cty A few miles later, we’ll approach S-551. Turn left for 551 up into Geyser.  S to MT-80, N to US-89  N to US-89, S to MT-80  W to US-89, E to … Continue reading U.S. Route 87, S-427 to S-551