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 | => | 0% |
| 80-89 | => | 50% |
| 70-79 | => | 0% |
| 60-69 | => | 50% |
| <60% | => | 0% |
If you’re planning to drive combination vehicles, such as tractor-trailers, on Montana’s highways, you’ll need a Class A Commercial Driver’s License (CDL). This license allows you to operate any combination of vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more when the towed unit’s gross vehicle weight rating (GVWR) exceeds 10,000 pounds (Montana Commercial Driver License Manual, Section 6). One of the main requirements is passing the Montana Combination Vehicles Knowledge Test.
Federal law requires you to complete Entry-Level Driver Training (ELDT) with a provider listed on the FMCSA Training Provider Registry (TPR). You’ll also need to pass Montana’s CDL General Knowledge Test to receive your Commercial Learner’s Permit (CLP), which must be held for at least 14 days before scheduling your behind-the-wheel test (in a combination vehicle).
The Montana multiple-choice Combination Vehicles Knowledge Test consists of 20 questions. To pass, you must answer at least 16 questions correctly (an 80 percent score). If you fail, you must wait at least one business day and pay a retesting fee. Our mission is to help ensure you pass the official exam on your first attempt!
M.S., Chief Educational Researcher (ACES member)
Last verified for accuracy on
Our Free Montana CDL Combination Practice Test is built to mirror the official exam format and give you instant feedback on every question. Our practice tests focus on the subjects most likely to appear on the real test, such as safe operation of combination vehicles, preventing trailer skids and jackknives, coupling and uncoupling procedures, air brake systems in tractor-trailers, and inspection requirements. We have multiple practice tests, so check out another one here: https://driving-tests.org/montana/mt-cdl-combination-test/.
Montana’s vast system of roadways includes Interstates 90 and 94 as well as U.S. Highways 2 and 93. These routes enable lucrative careers in freight, agriculture, construction, and energy transport. Major employers that hire Class A drivers include Coca-Cola Bottling, Cysco, Montana Department of Transportation, and XPO Logistics. Obtaining your Class A CDL is a smart move!
Because most combination vehicles use air brakes, you’ll also need to pass the Air Brakes Knowledge Test to remove the restriction that would otherwise prohibit driving them. Prepare with our Montana Air Brakes Practice Tests: https://driving-tests.org/montana/mt-cdl-air-brake-practice-test/.
Consider adding endorsements to further broaden your career options, such as Hazardous Materials (H), Tanker (N), or Doubles/Triples (T). We have entire sets of Practice Tests for that endeavor. Check out one from our Hazardous Materials series: https://driving-tests.org/montana/mt-cdl-hazmat-practice-test/. Get started now in Big Sky Country!
Driver’s Ed is - nobody wants to set foot inside the MVD. 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 MT 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 MVD.
