Any driver of a vehicle approaching a railroad grade crossing shall stop within not less than 15 feet from the nearest rail of such railroad and shall not proceed further while any of the following conditions exist:
(A) A clearly visible electrical or mechanical signal device gives warning of the approach of a railroad train;
(B) A crossing gate is lowered or a human flagger signals the approach of a railroad train;
(C) A railroad train is approaching within approximately 1,500 feet of the highway crossing and is emitting an audible signal indicating its approach; and/or
(D) An approaching railroad train is plainly visible and is in hazardous proximity to the crossing.
(2011 Code, § 15-504)