Indiana Code Title 8. Utilities and Transportation § 8-16-2-16

Sec. 16. The department shall have the right to make all reasonable rules and regulations governing the use of such bridge which are consistent with the provisions of this chapter and with the laws of the state of Indiana, and with the laws of such adjoining state, and with any laws or regulations of the United States, applicable to the use of such bridges. It shall be the duty of the department to cause to be placed in full view, in legible and large letters, upon or in each of the tollhouses established by it upon said bridge or its approaches, all such rules and regulations adopted by it in accordance with the provisions of this chapter, and also the toll rates adopted for the use of such bridge.