AMP: 0 Location: SH-31 and US-26, Swan Valley Reassurance shield as we head out of Swan Valley AMP: 0 Location: SH-31 and US-26, Bonneville Cty 31 goes over a nice little mountain, so there are load prohibitions. AMP:  3 Location: SH-31 and Campbell Rd, Bonneville Cty Reassurance shield as we get near the mountains AMP: 4 Location: SH-31 and … Continue reading Idaho State Highway 31, US-26 to SH-33