AMP: 315 Location: US-20 and SH-43, Bonneville Cty Stay straight for Emergency 15 as 43 exits. We’ll ditch these signs once we get to the Business Loop in Rigby. AMP: 315 Location: US-20 and SH-43, Bonneville Cty Reassurance shield after SH-43. AMP: 318 Location: US-20 and County Line Rd, Bonneville Cty Emergency 15 trailblazer as we’re about to … Continue reading U.S. Route 20, SH-43 to US-20 Bus