2024 CO CDL Practice Test: Class A - Test 8 Based on 2024 CO CDL Handbook 8. What is an easy way to check for ice on the road? A Church. B Four-way intersection. C First aid station. D Railroad crossing. Next More 8/29 Progress 0 Errors Restart Next Next Class A - Test 8 Back to Test List Class A - Test 7 Class B - Test Challenge Library 12 More CO CDL Practice Tests 9 Class B - Test 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