2024 DE CDL Practice Test: Tank - Test 3 Based on 2024 DE CDL Handbook 10. What color are the traffic control devices on an active railroad-highway crossing? A Yellow. B Red. C Blue. D Green. Next More 10/30 Progress 0 Errors Restart Next Next Tank - Test 3 Back to Test List Tank - Test 2 Tank - Test 4 Challenge Library 12 More DE CDL Practice Tests 32 Tank - Test 4 33 Tank - Test 5 34 Air Brakes - Test 35 All - Test 36 All - Test 2 37 All - Test 3 38 Tank and Hazmat - Test 39 Tank and Hazmat - Test 2 40 Class C - Test 41 Class C - Test 2
