2024 SC CDL Practice Test: HazMat - Test Based on 2024 SC CDL Handbook 25. Stop your bus between _______ ft. before a railroad crossing. A 125 to 150 ft. B 150 to 175 ft. C 15 to 50 ft. D 75 to 100 ft. Next More 25/30 Progress 0 Errors Restart Next Next HazMat - Test Back to Test List Class B - Test 7 HazMat - Test 2 Challenge Library 12 More SC CDL Practice Tests 17 HazMat - Test 2 18 HazMat - Test 3 19 HazMat - Test 4 20 HazMat - Test 5 21 HazMat - Test 6 22 Passenger - Test 23 Passenger - Test 2 24 Double and Triples - Test 25 Double and Triples - Test 2 26 Double and Triples - Test 3