2024 UT DLD Practice Test 19 Based on 2024 UT Driver's Handbook 11. The most common color of warning signs is: A Red. B Blue. C Green. D Yellow. Next More 11/30 Progress 0 Errors Restart Next Next UT Permit Practice Test 19 Back to Test List UT Permit Practice Test 18 UT Permit Practice Test 20 Challenge Library 12 More UT DLD Practice Tests 1 UT Permit Practice Test 1 2 UT Permit Practice Test 2 3 UT Permit Practice Test 3 4 UT Permit Practice Test 4 5 UT Permit Practice Test 5 6 UT Permit Practice Test 6 7 UT Permit Practice Test 7 8 UT Permit Practice Test 8 9 UT Permit Practice Test 9 20 UT Permit Practice Test 20