2024 RI CDL Practice Test: Class A - Test Based on 2024 RI CDL Handbook 30. On a wet road, how much should you reduce your speed? A By about one-quarter B By about one-third C By about one-half Grade More 30/30 Progress 0 Errors Restart Grade Grade Class A - Test 1 Back to Test List Bus - Test 3 Class A - Test 2 Challenge Library 12 More RI CDL Practice Tests 2 Class A - Test 2 3 Class A - Test 3 4 Class A - Test 4 5 Class A - Test 5 6 Class A - Test 6 7 Class A - Test 7 8 Class A - Test 8 9 Class B - Test 10 Class B - Test 2 11 Class B - Test 3