Indiana Code Title 8. Utilities and Transportation § 8-8-1-9

Sec. 9. The Indiana department of transportation shall enforce this chapter.  The department may, with the consent and approval of the governor, appoint and pay an inspector, or inspectors, to assist in so doing and in collecting the necessary information required for that purpose.  The department may adopt rules, not inconsistent with this chapter, to control the conduct of its inspectors and such carriers in reference to this chapter and such inspection.  All carriers subject to this chapter shall provide free transportation in Indiana for the inspectors employed by the department, to be used only while traveling on the business of the department.