Indiana Code Title 8. Utilities and Transportation § 8-23-7-2

(1) To locate, relocate, construct, reconstruct, repair, or maintain a state highway, including area for:

(2) To widen or straighten a highway.

(3) To clear and remove obstructions to vision at crossings and curves.

(4) To construct weigh stations and rest areas.

(5) To provide scenic easements and other areas necessary to cooperate with the federal government or carry out a federal law.

(6) To facilitate long-range transportation planning.