Sec. 1.3. (a) The department shall do the following:
(1) Determine commerce corridors within Indiana.
(2) Determine the level of service of each commerce corridor.
(3) Establish procedures for maintaining the level of service in a commerce corridor.
(4) Adopt an improvement plan for each commerce corridor that does not meet its prescribed level of service.
(b) The department may determine the feasibility of using recycled materials in the improvement of commerce corridors.
(c) Determinations under this section shall be in conformance with any similar highway designation made by the federal highway administration.