TITLE 92: TRANSPORTATION
CHAPTER III: ILLINOIS COMMERCE COMMISSION
SUBCHAPTER c: RAIL CARRIERS
PART 1535 CROSSINGS OF RAIL CARRIERS AND HIGHWAYS
SECTION 1535.502 OTHER WARNING
Section 1535.502 Other Warning
In addition to warnings by whistle, bell or horn as required by statute, every railroad train shall give warning by prolonged or repeated whistling when passing or meeting or about to pass or meet a train, at or in the immediate vicinity of a grade crossing, under such circumstances that the second train will materially obscure the view of the first mentioned train to persons who may be about to use the crossing.
(Source: Amended at 11 Ill. Reg. 19027, effective November 15, 1987)