Knowledge Test Class A #1
Class A Driving Test | Massachusetts 2026 #1 Page 2 of 7
Train for FREE online with our Massachusetts class A license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a MA CDL class A permit in 2026, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class A requirements may vary from state to state.
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8 . If one air system in a dual air brake system is very low on pressure:
Lights on the outside of the tractor will flash.
In a dual air brake system, if one of the air systems gets very low on pressure, either the front or rear brakes will not be operating fully. You should bring your vehicle to a safe stop and have the air system repaired.
9 . Passive railroad crossings:
Should never be crossed by a CMV.
Railroad crossings that are not controlled by any type of traffic control device are known as passive crossings. The decision to proceed across tracks at a passive crossing is entirely up to the driver.
10 . Braking mechanisms are located ____ a brake drum.
On top of
Drum brakes are attached to the wheels and located on the axles of a vehicle. The braking mechanisms that cause the vehicle to stop can be found inside of a drum brake.
11 . Without securing a load on a flatbed trailer, cargo may:
Be easier to unload.
On flatbed trailers and trailers without sides, cargo must be secured to prevent it from shifting or falling in transit.
12 . Trailers should:
Be loaded with all the weight directly behind the cab.
Overloading a vehicle is dangerous. It can damage the vehicle and interfere with the driver's ability to control it.
13 . If you identify a large box in your lane on the road ahead, you should:
Swerve into another lane of traffic.
Slow down and be very careful if you see foreign objects in your lane. Remember that even something that seems relatively light and harmless, like a cardboard box, could contain harder or heavier items that could cause damage to your vehicle.
14 . In addition to passing a hazardous materials test, what is needed to obtain a hazardous materials endorsement?
A fire extinguisher
To obtain a hazardous materials endorsement, you must pass a knowledge test and undergo a background check. If you are deemed to be a security threat by the Transportation Security Administration (TSA), you will be denied the endorsement.
See the exact questions that will be on the 2026 Massachusetts DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
Cameron tells us how he purchased the CDL exam, and found it to be a useful tool which helped him pass the exam and find a job.
2026 Massachusetts | Frequently Asked Questions
A CDL Class A license in Massachusetts is defined as a commercial driver's license that permits the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 lbs or more, provided the towed vehicle(s) have a GVWR over 10,000 lbs. This typically includes tractor-trailers and truck and trailer combinations.
With a Class A CDL license in Massachusetts, you can operate vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, and livestock carriers. This license also allows you to tow vehicles over 10,000 pounds. Essentially, it covers any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more.
To obtain a Class A CDL license in Massachusetts, you must be at least 18 years old (21 for interstate travel), possess a valid driver's license, pass a vision test, and obtain a medical certificate. You must also pass a written knowledge test and a skills test, which includes a pre-trip vehicle inspection, a basic controls test, and an on-road driving test.
In Massachusetts, you must be at least 18 years old to qualify for a Class A CDL license. However, you need to be 21 years old if you intend to drive across state lines, transport passengers, or haul hazardous materials. It's crucial to adhere to these age restrictions for safe and legal operation of commercial vehicles.
Specific endorsements aren't required for a Class A CDL license in Massachusetts, but they allow you to operate specialized vehicles. These include endorsements for double/triple trailers, passenger vehicles, school buses, tank vehicles, and hazardous materials. Each endorsement requires passing additional knowledge and/or skills tests.
The Class A CDL skills test in Massachusetts consists of three parts: a pre-trip vehicle inspection, a basic controls test, and an on-road driving test. The pre-trip inspection tests your ability to inspect your vehicle before driving. The basic controls test evaluates your ability to maneuver and control the vehicle. The on-road driving test assesses your ability to drive the vehicle in various road and traffic conditions.
Yes, there are limitations for Class A CDL license holders. For instance, in Massachusetts, if you're under 21, you're restricted to intrastate driving. Some endorsements like HAZMAT or passenger require additional testing and background checks. Also, certain medical conditions may limit your ability to operate commercial vehicles. Violations can result in temporary or permanent disqualification of your CDL.
Yes, in Massachusetts, the written Class A CDL test can be taken in multiple languages other than English. These include Spanish and Portuguese. However, federal regulations require all CDL holders to have a basic understanding of English for safety reasons. This includes being able to read road signs, communicate with officials, and comprehend driving regulations.
Yes, you can request accommodations for the Class A CDL written test in Massachusetts if you have a disability. The Massachusetts Registry of Motor Vehicles (RMV) provides reasonable accommodations in accordance with the Americans with Disabilities Act. It's recommended to contact the RMV in advance to arrange these accommodations.
Yes, you can retake the Class A CDL written test in Massachusetts if you don't pass on your first attempt. There is a waiting period of at least 24 hours before you can retake the test. Please note, there is a retesting fee each time. It's recommended to study thoroughly to increase your chances of passing on the next attempt.
