Exclusively for the purposes of section 49-1001(1)(c), Idaho Code, the interstate system, which shall be considered to consist of I-15, I-84, I-86, I-90 and I-184, in Idaho is deemed a noninterstate highway. Exclusively for the purposes of section 49-1004(4), Idaho Code, the interstate system, which shall be considered to consist of I-15, I-84, I-86, I-90 and I-184, in Idaho is deemed a designated state route.
Idaho Code § 49-1004C