2024 MI DOS Practice Test 13 Based on 2024 MI Driver's Handbook 20. This warning sign means? A Reduced speed limit, school zone ahead. B End of school zone ahead. C Stop sign ahead. D School crossing ahead. Next More 20/30 Progress 0 Errors Restart Next Next MI Permit Practice Test 13 Back to Test List MI Permit Practice Test 12 MI Permit Practice Test 14 Challenge Library 12 More MI DOS Practice Tests 1 MI Permit Practice Test 1 2 MI Permit Practice Test 2 3 MI Permit Practice Test 3 4 MI Permit Practice Test 4 14 MI Permit Practice Test 14 15 MI Permit Practice Test 15 16 MI Permit Practice Test 16 17 MI Permit Practice Test 17 18 MI Permit Practice Test 18 19 MI Permit Practice Test 19