AMP: 0 Location: Frontage Rd and I-90 Bus, Big Horn Cty No reassurance shield as S-384 begins. 384 follows old US-87/212 away from Hardin for its first mile. AMP: 1 Location: Frontage Rd and Sarpy Creek Rd, Big Horn Cty About a mile later, S-384 turns left to head up its actual route. AMP: 1 Location: Frontage Rd … Continue reading Montana Secondary Highway 384, I-90 Bus/MT-47 to I-94