2024 NH DMV Practice Test 22 Based on 2024 NH Driver's Handbook 30. The ___ rule helps you maintain a safe following distance in ideal road conditions. A 4-Second B 2-Second C 3-Second D 5-Second Grade More 30/30 Progress 0 Errors Restart Grade Grade NH Permit Practice Test 22 Back to Test List NH Permit Practice Test 21 NH Permit Practice Test 23 Challenge Library 12 More NH DMV Practice Tests 1 NH Permit Practice Test 1 2 NH Permit Practice Test 2 3 NH Permit Practice Test 3 4 NH Permit Practice Test 4 5 NH Permit Practice Test 5 6 NH Permit Practice Test 6 23 NH Permit Practice Test 23 24 NH Permit Practice Test 24 25 NH Permit Practice Test 25 26 NH Permit Practice Test 26