2024 OK CDL Practice Test: HazMat - Test Based on 2024 OK CDL Handbook 6. The recommended safe distance to stop before a drawbridge is _______. A 100 ft. B 200 ft. C 50 ft. D 150 ft. Next More 6/30 Progress 0 Errors Restart Next Next HazMat - Test Back to Test List Class B - Test 7 HazMat - Test 2 Challenge Library 12 More OK 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