2024 NM CDL Practice Test: Class B - Test Based on 2024 NM CDL Handbook 27. Drivers of a Commercial Motor Vehicle: A Can only use a cell phone on rural roads B Can only use a hands-free mobile phone C Can use a cell phone Next More 27/29 Progress 0 Errors Restart Next Next Class B - Test Back to Test List Class A - Test 8 Class B - Test 2 Challenge Library 12 More NM CDL Practice Tests 10 Class B - Test 2 11 Class B - Test 3 12 Class B - Test 4 13 Class B - Test 5 14 Class B - Test 6 15 Class B - Test 7 16 HazMat - Test 17 HazMat - Test 2 18 HazMat - Test 3 19 HazMat - Test 4