AMP: 0 Location: US 93 and I-90, Desmet, Missoula Cty Reassurance shield with errorness as 93/200 split from I-90 AMP: 0 Location: US 93 and I-90, Desmet, Missoula Cty 27 miles until 200 splits from US 93. 574 will turn off here in a second without signage. It just follows the frontage road for a couple miles.  W … Continue reading Montana Highway 200, I-90/S-474 to S-574