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 can proceed without stopping if no warning lights are flashing. You can proceed without stopping if no other vehicles are within sight. Explanation If transporting any amount of chlorine, a driver must always stop at a railroad crossing 15 to 50 feet from the nearest track. Take a FREE Practice Test Now This questions appears in the following tests: District Of Columbia HazMat , Georgia HazMat , Montana HazMat , New Hampshire HazMat , New York HazMat , North Dakota HazMat , West Virginia HazMat , Kansas Tank , Mississippi Tank , South Carolina Tank ,