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

Sec. 1. A person operating or controlling any railroad shall equip each of its track motor cars used, during the period from thirty (30) minutes before sunset to thirty (30) minutes after sunrise, with an electric head-light of such construction and with sufficient candlepower to render plainly visible, at a distance of not less than three hundred (300) feet in advance of the track motor car, any track obstruction, landmark, warning sign, or grade crossing, and also shall equip each track motor car with a red rear electric light of such construction and with sufficient candlepower as to be plainly visible at a distance of three hundred (300) feet.  It is a Class C infraction for such a person to operate or use any track motor car from thirty (30) minutes before sunset to thirty (30) minutes after sunrise if it is not equipped with lights of the candlepower, construction, and utility described in this section.  Each day of operation or use in violation of this section constitutes a separate offense.