In this chapter:
(1) “On-track equipment” means any car, rolling stock, equipment, or other device that, alone or coupled to another device, is operated on a railroad track.
(2) “Pass” or “passing” used in reference to a vehicle means:
(A) to:
(i) overtake and proceed past another vehicle moving in the same direction as the passing vehicle; and
(ii) return to the original lane of travel; or
(B) to attempt the maneuver described by Paragraph (A).
(3) “School bus” includes a multifunction school activity bus.