2024 WY DOT Practice Test 20 Based on 2024 WY Driver's Handbook 10. You should use your horn when: A Another driver makes a mistake B Another vehicle is in your way C It may help prevent a collision Next More 10/30 Progress 0 Errors Restart Next Next WY Permit Practice Test 20 Back to Test List WY Permit Practice Test 19 WY Permit Practice Test 21 Challenge Library 12 More WY DOT Practice Tests 1 WY Permit Practice Test 1 2 WY Permit Practice Test 2 3 WY Permit Practice Test 3 4 WY Permit Practice Test 4 5 WY Permit Practice Test 5 21 WY Permit Practice Test 21 22 WY Permit Practice Test 22 23 WY Permit Practice Test 23 24 WY Permit Practice Test 24 25 WY Permit Practice Test 25