Question When approaching a railroad crossing while transporting chlorine: Answers You must stop before crossing the tracks. You must reduce your speed before crossing the tracks. You may proceed across the tracks without stopping if no warning lights are flashing. Explanation If transporting any amount of chlorine, a driver must always stop at a railroad crossing 15 to 50 feet from the nearest track, regardless of the presence of a train. Take a FREE Practice Test Now This questions appears in the following tests: Delaware HazMat , Louisiana HazMat , Maine HazMat , Michigan HazMat , Ohio HazMat ,