Indiana Code Title 9. Motor Vehicles § 9-21-4-20

Sec. 20. (a) For purposes of this section, “highway worksite” has the meaning set forth in IC 8-23-2-15.

(b) The Indiana department of transportation shall design and manufacture or have manufactured signs that inform vehicle operators of the offenses and penalties under:

(c) A sign described in subsection (b) shall be posted at a reasonable distance before a highway worksite by:

A sign that is posted before a highway worksite must be posted in accordance with the Indiana Manual on Uniform Traffic Control Devices or the Indiana Work Site Traffic Control Manual.