FREE ND CDL Double/Triple Trailers Marathon

Ready for a challenge? This North Dakota CDL Double/Triple Trailers Marathon is a super-challenging practice test that contains a combination of all 48 questions that we have available for this ND endorsement. If you select a wrong answer, we’ll remember that question and will display it to you again at the very end of the Marathon until you’ve answered that question correctly. In other words, the Marathon will cycle through your missed questions until you answer each one correctly. You must make a 100% to pass. As you work your way through the Marathon, you’ll see that unlike the other North Dakota CDL practice tests there are no explanations and no hints here. We suggest you attempt this one after you have practiced the state’s “regular” tests, but before the “Exam”. Good luck!