2024 RI CDL Practice Test: HazMat - Test Based on 2024 RI CDL Handbook 8. The blind spot of a school bus can extend up to how many feet? A 600 B 450 ft. C 400 ft. D 550 ft. E 500 ft. Next More 8/30 Progress 0 Errors Restart Next Next HazMat - Test Back to Test List Class B - Test 7 HazMat - Test 2 Challenge Library 12 More RI 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