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0 (4mistakes allowed to pass)
CO CDL Tanker Vehicles Practice Test 2 2026
Original questions by our teamBased on 2026 CO CDL Handbook
Avg. pass rate on our CO tests: 62%.
Average pass rate for this test: 79%.
Easy
6 min
80% fail this test first try • Better here than at DMV
Score distribution:
90-100
=>
38%
80-89
=>
38%
70-79
=>
13%
60-69
=>
13%
<60%
=>
0%
Avg. first-try score: 80%
Welcome to our second Colorado CDL Tanker Vehicles Practice Test, the solution to your study needs! We have created this intuitive tool to help aspiring tanker drivers prepare for the official Tank Vehicles Knowledge Exam, which you must pass to receive a Tank Vehicles (N) endorsement. All questions are based on the official Commercial Driver License Manual (Colorado CDL Handbook 2026), specifically Section 8 (Tank Vehicles). A minimum score of 80% or higher is required to pass, leaving little room for error.
Aspiring commercial drivers in Colorado completed 2,946 practice sessions this week. They improved their knowledge through active learning, one question at a time. Our practice tests offer a systematic approach, which is more effective than traditional study methods. They include several features you can use to enhance your testing experience.
“Officer Frank” is our automated assistant. He will be available during your practice sessions, ready to provide help whenever you need it. Initiate a conversation with your AI coach and ask him anything you’re unsure about. He can also provide hints, real-life examples, and personalized answers to your individual questions.
22CO students practicing right now
•173 tests completed today statewide
Original questions by our teamBased on 2026 CO CDL Handbook
Driving-Tests.org is listed in the official FMCSA Training Provider Registry for Entry-Level Driver Training (ELDT) theory certification. Verify on tpr.fmcsa.dot.gov
Federal Motor Carrier Safety Administration Provider
Questions are created and maintained by the Driving-Tests.org content team following our multi-layer editorial process and updated whenever the ColoradoDMV changes its handbook or website information. Official sources we check:
Now you can study commercial driving theory in an educational environment that supports your learning. If you make a mistake, we will automatically add the missed question to your personal Challenge Bank™ so that you can practice with it later. This section includes detailed explanations and useful insights. You can use them to learn from your mistakes and identify areas that need improvement. If you are a premium user, you can click the bookmark icon in the top-right corner of the page to add any question to your Challenge Bank.
Since our practice tests work best when paired with the official commercial driver license manual, you can use both resources at the same time. Open the handbook in another window and actively look for the correct answers through its various chapters. General commercial driving theory is a complex subject, but our Free Colorado CDL Permit Practice Test makes it easier for you to master it. Train with it as often as your schedule allows and prepare for your theory exams using the most efficient tools available.
We know what it takes to pass. And we’ve got the proof.
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.
An official & trusted partner in driver education
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.
A smarter way to study
Challenge Bank™
Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.
AI-powered feedback
Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.
Interactive handbook
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.
Sources & methodology
We build our practice questions from the current 2026 CO Driver Handbook and refine them using patterns recent test‑takers report.
What we use
Driver handbook • Knowledge‑test/permit overview • Fees & ID requirements • Office/appointment info
How we make exam‑like questions
We mirror recurring themes (e.g., right‑of‑way traps, sign look‑alikes) and use similar distractors and wording styles.
What we don’t do
We don’t collect or publish actual test items and we’re not affiliated with DMV.
FMCSA Training Provider Registry Verification
Driving-Tests.org is officially listed in the FMCSA Training Provider Registry (TPR) as an approved ELDT training provider.
What this means:
We meet all federal ELDT requirements
Your completion is automatically reported to FMCSA
Your state DMV can verify your ELDT certification in the TPR
You're eligible to take your CDL written and skills tests
You can verify our listing yourself at tpr.fmcsa.dot.gov - search for "Driving-Tests" in the Provider Name field, then click the "Online" tab.