Indiana Code Title 8. Utilities and Transportation § 8-23-12-2

Sec. 2. The department shall prepare, formally adopt, and publish a long-range program of its future activities with regard to the construction of highways under its jurisdiction.  The sufficiency rating principle shall be applied, as far as it is practicable, in determining the projects to be included in the long-range construction program and may be applied by districts.  The long-range program must contain an estimate of revenues that will become available during that period and a statement of intention with respect to the construction and other related work to be done.