2024 CO DMV Practice Test 9 Based on 2024 CO Driver's Handbook 24. This warning sign means? A School crossing ahead. B Stop sign ahead. C Reduced speed limit, school zone ahead. D End of school zone ahead. Next More 24/30 Progress 0 Errors Restart Next Next CO Permit Practice Test 9 Back to Test List CO Permit Practice Test 8 CO Permit Practice Test 10 Challenge Library 12 More CO DMV Practice Tests 10 CO Permit Practice Test 10 11 CO Permit Practice Test 11 12 CO Permit Practice Test 12 13 CO Permit Practice Test 13 14 CO Permit Practice Test 14 15 CO Permit Practice Test 15 16 CO Permit Practice Test 16 17 CO Permit Practice Test 17 18 CO Permit Practice Test 18 19 CO Permit Practice Test 19