Based on 2024 OK CDL manual

Questions
20
Mistakes allowed
4
Passing score
80%
Official OK Double/Triple Trailers: What to Expect
20
Total number of questions

16
Number of questions required to pass

80
Percentage required to pass

Oklahoma Commercial Driver's License
Oklahoma Commercial Driver's License

Want to see if you are ready to earn your double/triple trailers endorsement? Our Free Oklahoma CDL Double/Triple Trailers Practice Test features similar content and a similar format to the real endorsement test. Passing our practice test is a good indication that you are ready to visit the DMV and get your endorsement, which will allow you to begin driving doubles and triples. This endorsement is a great way to expand your career options and qualify for higher paying driving assignments. But it all starts with passing the endorsement test. To prepare for that test take our practice test now.

This test features 20 questions on such topics as how to back and how to turn doubles and triples. There are also questions on handling and avoiding skids and jackknives and much more. All questions are drawn from the Oklahoma CDL Handbook, which is the source of the real test as well. Here are two sample questions like what you might see on our practice test: The coupling between a rear trailer and a dolly should have a space between the upper and lower fifth wheels of how much? The final procedure when connecting a rear trailer is to do what? You need to answer 80% of the questions correctly to pass. To further aid your study efforts, we have also included answer explanations for each question. It’s time to increase your knowledge and confidence for the double and triple trailers endorsement test. Take our practice test.