2024 WY CDL Practice Test: Passenger - Test Based on 2024 WY CDL Handbook 8. How long do shippers need to keep a copy of shipping papers? A 1 year B 5 months C 2 years Next More 8/30 Progress 0 Errors Restart Next Next Passenger - Test Back to Test List HazMat - Test 6 Passenger - Test 2 Challenge Library 12 More WY CDL Practice Tests 23 Passenger - Test 2 24 Double and Triples - Test 25 Double and Triples - Test 2 26 Double and Triples - Test 3 27 Double and Triples - Test 4 28 Double and Triples - Test 5 29 Tank - Test 30 Tank - Test 2 31 Tank - Test 3 32 Tank - Test 4