AMP: 0 Location: Centennial Way and I-84, Caldwell As soon as the 84 loop begins, we’ll enter Caldwell, the worst city in Idaho. AMP: 0 Location: Centennial Way and I-84, Caldwell Reassurance shield as I-84 Business and SH-19 begin. AMP: 0 Location: Centennial Way and Blaine St, Caldwell Half a mile later or so, SH-19 … Continue reading Idaho State Highway 19, I-84/I-84 Bus/US-20/US-26/US-30 to I-84 Bus