AMP: 58 Location: MT-24 and MT-117, Valley Cty After MT-117, we’re six miles from the Fort Peck Dam spillway. The speed limit drops to 55 between here and there. AMP: 52 Location: MT-24 and Tower Hill Rd, McCone Cty As we cross the spillway, we’re told we’re 52 miles from Montana 200. AMP: 52 Location: MT-24 and Tower … Continue reading Montana Highway 24, MT-117 to MT-200