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Based on official Massachusetts exam questions

MA CDL Combination Vehicles Practice Test 3 2025

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements.

Finding the perfect resource to prepare for the Class A Commercial Driver’s License (CDL Combination Vehicles Knowledge Test can be a daunting task. You have come to the right place for a scientifically proven, expert-driven series of practice tests perfect for the task! To legally operate combination vehicles, such as tractor-trailers, in Massachusetts, you must earn a Class A Commercial Driver’s License (CDL).

The steps include completing the Entry-Level Driver Training (ELDT) through an FMCSA-approved provider, passing the General Knowledge Exam, obtaining a Commercial Learner’s Permit (CLP), holding it for at least 14 days, and then passing both the Massachusetts CDL Combination Vehicles Knowledge Test and the behind-the-wheel road skills test. The three-part Skills Test includes pre-trip inspection, off-street skills (performing controlled maneuvers like alley dock and parallel parking), and on-road driving.

The official Massachusetts Combination Vehicles Knowledge Test consists of 20 multiple-choice questions, and you must score 80% (16 correct answers) or higher to pass. The test covers safe driving practices for combination vehicles, coupling and uncoupling procedures, preventing trailer skids and jackknives, air-brake systems and trailer service brake checks, and inspection and maintenance procedures. If you fail, you must wait at least one business day before retesting, and a retest fee may apply. Our practice tests help to ensure you pass on your first attempt; thus, avoiding any delays and added fees.

Our Free Massachusetts CDL Combination Practice Tests replicate the format of the RMV exam, helping you master the material faster through instant feedback and detailed answer explanations. Once you’ve mastered this particular practice test, try another one here: https://driving-tests.org/massachusetts/ma-cdl-combination-test/.

Major industries employing Class A drivers in Massachusetts include logistics, manufacturing, construction, and port freight transport. Roadways like I-90 (Mass Pike), I-95, and I-495 (connecting Boston, Worcester, Springfield, and distribution hubs) provide ample opportunities to Class A drivers.

Passing the Combination Vehicles Test opens doors to higher-paying driving opportunities and more job options. Adding endorsements like N (Tanker), H (Hazardous Materials), and T (Doubles and Triples) can further expand your career potential. Check out one of our endorsement exams here: https://driving-tests.org/massachusetts/ma-cdl-hazmat-practice-test/. Most combination vehicles use air brakes, so taking the Air Brakes Test is strongly recommended to remove any “L” restriction: https://driving-tests.org/massachusetts/ma-cdl-air-brake-practice-test/.

Prepare today with our complete Massachusetts CDL Practice Test Suite!

8 min to complete
Available in EN and ES
MA commercial driver's license
Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives

Authored and curated by Steven Litvintchouk, M.S.

Chief Educational Researcher (ACES member)
Methodology & Editorial Policy
Last verified for accuracy: November 2025 (reviewed weekly)

What to expect on the actual MA permit test

20

questions

16

correct answers to pass

80%

passing score

We know what it takes to pass. And we’ve got the proof.

Driver’s Ed is - nobody wants to set foot inside the RMV. That’s why millions of learners trust us for simple, visual, effective prep.

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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.

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Interactive Handbook

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