AMP: 47 Location: 9th St and I-90, Columbus As MT-78 begins, we’ll enter Columbus. AMP: 47 Location: 9th St and I-90, Columbus Reassurance shield as 78 begins. AMP: 47 Location: 9th St and Pike Ave, Columbus A few blocks later, MT-78 turns right, heading towards S-306. AMP: 47 Location: 9th St and Pike Ave, Columbus Follow MT-78 to Absarokee … Continue reading Montana Highway 78, I-90 to S-306