AMP: 1 Location: St Charles St and 18th St, Fort Benton Reassurance shield after S-387 as we enter Fort Benton. AMP: 1 Location: St Charles St and 13th St, Fort Benton A couple blocks later, we’ll approach S-386. AMP: 1 Location: St. Charles St and 13th St, Fort Benton Turn left for MT-80. Stay straight for S-386, which … Continue reading Montana Highway 80, S-387 to S-386