(225 ILCS 705/22.05) (from Ch. 96 1/2, par. 2205)
Sec. 22.05.
A trip-light or reflecting signal shall be used on the rear of trips pulled or pushed by a locomotive, also on the front of trips lowered into slopes. Trip-lights need not be used during gathering operations at working faces.
(Source: Laws 1953, p. 701.)