AMP: 56 Location: Caldwell Blvd and SH-55, Nampa Reassurance shield after the 55 junction. AMP: 57 Location: Caldwell Ave and Northside Blvd, Nampa A couple miles later, turn left for Northside Blvd north to I-84. Stay straight for the business loop. AMP: 57 Location: 3rd St and Northside Blvd, Nampa Turn left to head up to I-84 on … Continue reading Interstate 84 Business, SH-55 to SH-45