Last Driven August 2020 (Historic Photo: October 2015) AMP: 0 Location: Pryor Creek Rd and I-94, Yellowstone Cty No reassurance shield as S-522 begins. 522 is a quick connector up to Huntley. In 2018, S-522 was added to the Primary Highway System but it is still signed as S-522, so who knows what is going on. … Continue reading Montana Secondary Highway 522, I-94 to MT-264