AMP: 0 Location: Nucleus Ave and US-2, Columbia Falls Reassurance shield as S-486 begins. AMP: 0 Location: Nucleus Ave and Railroad St, Columbia Falls On the north end of S-486, turn right to follow 486 north. AMP: 0 Location: Railroad St and Nucleus Ave, Columbia Falls Reassurance shield after the turn as we head out of Columbia Falls. … Continue reading Montana Secondary Highway 486, US-2 to Glacier Nat’l Park