2024 WA CDL Practice Test: Class A - Test 4 Based on 2024 WA CDL Handbook 27. If your brakes fail on a downgrade, what is your best hope to stop? A Going off the road B Using the shoulder C An escape ramp Next More 27/29 Progress 0 Errors Restart Next Next Class A - Test 4 Back to Test List Class A - Test 3 Class A - Test 5 Challenge Library 12 More WA CDL Practice Tests 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 12 Class B - Test 4 13 Class B - Test 5 14 Class B - Test 6