2024 OK CDL Practice Test: Bus - Test 3 Based on 2024 OK CDL Handbook 16. Crossover mirrors help the driver see: A The rear bumper. B The left side of the bus. C The front bumper danger zones. Next More 16/30 Progress 0 Errors Restart Next Next Bus - Test 3 Back to Test List Bus - Test 2 Class A - Test 1 Challenge Library 12 More OK CDL Practice Tests 1 Class A - Test 1 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