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 | => | 26% |
| 80-89 | => | 29% |
| 70-79 | => | 20% |
| 60-69 | => | 11% |
| <60% | => | 14% |
To drive combination vehicles with two or even three trailers (where it’s legally allowed), you’ll need a Class A CDL (Commercial Driver’s License) with a Doubles/Triples ("T") endorsement. In California, the Department of Motor Vehicles (DMV) oversees the licensing process and requires all applicants to pass a specialized knowledge exam before they can get this endorsement.
The official Doubles and Triples Knowledge Exam consists of multiple-choice questions based on the official Commercial Driver Handbook (California CDL Handbook 2026), specifically Section 7 (Doubles and Triples).
Our fourth California CDL Double/Triple Trailers Practice Test covers the essential information you must know to achieve a passing score on your first attempt. The good news is that you won’t need to take a separate skills test to obtain your "T" endorsement. This intuitive tool is the solution to your study needs. When used regularly, it can significantly boost your learning potential.
The questions on this practice test cover safe driving practices, air brakes on doubles and triples, preventing rollovers and jackknives, and much more. Please read every question more than once and carefully consider each answer choice. For your convenience, we have omitted any timer from this practice test. There is no pressure to move faster than you are ready to. A detailed explanation of the correct answer is provided for each question. You should note it in a notebook or notebook app and revisit the material during future practice sessions.
If the default font size is too small, you can modify it using the slider in the test settings menu. Make the text bigger until it becomes easier to read. Additionally, you should adjust the brightness of your screen and take frequent breaks to avoid digital eye strain. Long study sessions are easier on the eyes when you optimize your setup.
Level up your test prep with our Free California CDL Permit Practice Test. Designed by our experts in driver training, this tool teaches you general commercial driving theory. All questions are based on the latest version of the official Commercial Driver Handbook to ensure accuracy and compliance with federal and state laws.
M.S. (MIT, Columbia), Chief Educational Researcher. ACES member (Society for Editing). Verifies all 50 state tests against official handbooks weekly.
Verified student reviews • Shared with permission
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.
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