2024 CA CDL Practice Test: Bus - Test 3 Based on 2024 CA CDL Handbook 18. Backing a school bus is: A Strongly encouraged. B Strongly discouraged. C Only to be done in the morning. Next More 18/30 Progress 0 Errors Restart Next Next Bus - Test 3 Back to Test List Bus - Test 2 Class A - Test 1 Challenge Library 12 More CA 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