2024 SC DMV Practice Test 20 Based on 2024 SC Driver's Handbook 7. Streets and highways are most slippery: A Just after it starts to rain. B When they are clean and dry. C When it has been raining hard for several hours. Next More 7/30 Progress 0 Errors Restart Next Next SC Permit Practice Test 20 Back to Test List SC Permit Practice Test 19 SC Permit Practice Test 21 Challenge Library 12 More SC DMV Practice Tests 1 SC Permit Practice Test 1 2 SC Permit Practice Test 2 3 SC Permit Practice Test 3 4 SC Permit Practice Test 4 5 SC Permit Practice Test 5 6 SC Permit Practice Test 6 7 SC Permit Practice Test 7 21 SC Permit Practice Test 21 22 SC Permit Practice Test 22 23 SC Permit Practice Test 23