2024 NC CDL Practice Test: HazMat - Test Based on 2024 NC CDL Handbook 2. For school bus drivers, the danger zone may extend as much as ______ ft. from the front bumper. A 20 ft. B 30 ft. C 10 ft. Next More 2/30 Progress 0 Errors Restart Next Next HazMat - Test Back to Test List Class B - Test 7 HazMat - Test 2 Challenge Library 12 More NC 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