Indiana Code Title 8. Utilities and Transportation § 8-23-21-0.3

Sec. 0.3. As used in this chapter, “official detour route” means the path the department designates a motorist to use to reach a destination while a state highway, part of a state highway, or state highway bridge is closed to the public as a thoroughfare while under construction, while being repaired, or when closed for any other reason.