AMP: 0 Location: SH-54 and SH-41, Spirit Lake Reassurance shield as 41 begins and we head out of Spirit Lake AMP: 5 Location: SH-54 and Nathan Rd, Kootenai Cty Reassurance shield five miles in. This segment of 54 is very straight and very monotonous. AMP: 7 Location: Smylie Blvd and Pastime St, Athol A couple … Continue reading Idaho State Highway 54, SH-41 to US-95