All your missed questions are saved
automatically for extra practice.
It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
View All PlansAdding difficult questions to Challenge Bank™ is an exclusive Premium feature. Unlock access to 650+ exam-like questions, a Pass Guarantee, personalized study plans, and more.
View All Plans| 90-100 | => | 29% |
| 80-89 | => | 35% |
| 70-79 | => | 21% |
| 60-69 | => | 8% |
| <60% | => | 6% |
By combining what you learned from the previous practice tests with our third free California DMV Double/Triple Trailer endorsement practice test, you’ll be ready to advance your driving career. Increasing your driving opportunities could be as simple as adding a “T” endorsement to your California commercial driver’s license (CDL), which will allow you to tow multiple trailers. Beyond the majestic lights of Sensorio, you’ll find numerous chances to breathe fresh life into your career, and the practice test can prepare you to take advantage of them. You’ll be amazed at the amount of information you can learn in a small amount of time.
Professionally designed to overcome your specific learning obstacles, our California DMV CDL Double/Triple Trailer endorsement practice test will effectively expand your knowledge base. You will be tested on your skills with an official knowledge test. The official knowledge test requires you to correctly answer at least 80% of its 20 questions to earn a passing score. Passing the official knowledge test is your gateway to potentially higher pay and greater job satisfaction. Using the practice test, you can make the most efficient use of your study time and rapidly develop the skills that equip you to meet the challenges of the official knowledge test.
M.S., Chief Educational Researcher (ACES member)
Last verified for accuracy on
This California DMV CDL Double/Triple Trailer endorsement practice test helps you make sense of complex information. The practice test will not overwhelm you with technical language that is hard to absorb. You will be presented with 20 multiple-choice questions, similar to those on the official knowledge test, to identify your knowledge gaps. Unlike a study guide that is not designed to supply you with information to correct your misunderstandings, the practice test will give you feedback to help you correct any incorrect answers you provide. You can depend on the accuracy of the information provided because it is taken directly from the California DMV CDL manual (California CDL Handbook 2026) and is up to date as of January 2026. Using this authoritative information, the practice test will build up your confidence as you progress through its teaching method. You will be thoroughly prepared to pass the official knowledge test on your first try.
Sometimes, you may find it difficult to navigate Fog City, but you’ll find a clear path for developing the skills to begin your career with our CDL practice tests at https://driving-tests.org/california/.
Driver’s Ed is - nobody wants to set foot inside the DMV. That’s why millions of learners trust us for simple, visual, effective prep.
We are an officially recognized FMCSA Entry-Level Driver Training provider and a proud partner to over 2,500 libraries. We work with safety organizations like GHSA and the National Safety Council to help create safer roads for everyone.
Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.
Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.
Go beyond the boring black-and-white manual. Our interactive handbook lets you read, listen with an MP3 audio version, or even chat with it to find the information you need, faster.
We build our practice questions from the current 2026 CA Driver Handbook and refine them using patterns recent test‑takers report.
Driver handbook • Knowledge‑test/permit overview • Fees & ID requirements • Office/appointment info
We mirror recurring themes (e.g., right‑of‑way traps, sign look‑alikes) and use similar distractors and wording styles.
We don’t collect or publish actual test items and we’re not affiliated with DMV.
