- Updated for January 2025
- Based on 2025 AZ commercial driver's license manual
Free Arizona CDL Permit Practice Test: General Knowledge 2025
For commercial transportation in Arizona, Interstate 10 runs from Santa Monica, California through Phoenix to Jacksonville, Florida. Another major east-west commercial route is Interstate 40, which runs from Barstow, California through northern Arizona to Wilmington, North Carolina. This highway is a major route for trucks transporting goods between the West Coast and the central United States. Other major commercial routes include U.S. Route 60 and U.S. Route 191. However, commercial drivers should watch out for extreme heat conditions in the summertime, where temperatures of over 110°F can cause tires to blow out or vehicles to overheat. They should also watch out for Arizona’s monsoon season (typically from June to September), with its dust storms, heavy rainstorms, and flash floods.
To drive commercially, you must have a Commercial Driver’s License (CDL). There are three classes of CDLs. A Class A CDL is typically for operating semi-trucks and tractor-trailers. A Class B CDL is typically for operating buses or straight trucks, including most dump trucks. A Class C CDL is typically for operating relatively smaller vehicles designed to transport hazardous materials or 16 or more occupants (including the driver), such as minibuses and small trucks transporting hazardous materials. You must decide which class of CDL you want to apply for, based on the types of vehicles you expect to be driving in your career.
To get a CDL, there are a number of requirements you must meet. Importantly, you must practice commercial driving (under supervision) until you’re able to pass the official skills test on operating a commercial vehicle. To practice, you’ll need a Commercial Learner’s Permit (CLP), for which you must pass the official written knowledge test on the general theory of commercial driving. That’s likely while you’re here. You’ve realized that just reading the official Arizona Commercial Driver License Manual may not give you enough grasp of commercial driving to allow you to pass the knowledge test. (We hope you didn’t learn that lesson the hard way.)
Our practice tests are based on the official manual, just like the official knowledge test. But unlike the official knowledge test, our practice tests promote learning. Each question comes with a helpful hint and an explanation of the correct answer. There’s no pressure to pass, and there’s no embarrassment if you fail. You can learn at your own pace until you’re ready to pass the official test. The free Arizona CDL permit practice test you’re about to take is up to date as of January, 2025. It has 50 questions that address such topics as basic vehicle maneuvers, cargo management, pre-trip inspections, and stopping distances.
[faq]
FAQs
How do you obtain a CDL license?
To obtain a CDL license in Arizona, start by getting a commercial learner’s permit (CLP) after passing the required knowledge tests. Hold the CLP for at least 14 days before taking the CDL skills test. Complete CDL training (optional but recommended) and pass the skills test. Ensure you meet all medical and legal requirements.
What is the cost of getting a CDL in Arizona?
The cost for a CDL in Arizona includes a $25 application fee for the CLP, a $12.50 written test fee per endorsement, and a $25 road test fee. The CDL itself costs $25 for a 5-year license.
What are the different types of CDL licenses?
In Arizona, CDL licenses include Class A (for combination vehicles), Class B (for heavy straight vehicles), and Class C (for vehicles carrying hazardous materials or more than 15 passengers).
How long does it take to get a CDL?
The time to get a CDL in Arizona varies. After obtaining a CLP, you must wait at least 14 days before taking the skills test. The duration of CDL training programs, if chosen, can vary from a few weeks to several months.
Is CDL school mandatory?
CDL school is not mandatory in Arizona, but it is highly recommended for comprehensive training and preparation for the CDL skills test. Employers may also require or prefer CDL training program completion.
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- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
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What you need to know
What to expect on the actual AZ MVD exam
questions
correct answers to pass
passing score
Helpful links
List of questions (classic view)
- Your emergency kit does NOT need to include
- During your pre-trip test, when examining hoses with the instructor, you need to look for
- An antilock braking system (ABS) will
- If you double your speed, how much more distance will it take to brake to a stop?
- If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?
- Why is it important to use a helper when backing?
- What might happen if you swing wide to the left before you turn right?
- How can you start moving without rolling backward?
- Total stopping distance equals
- How can you determine if your vehicle is equipped with an antilock braking system (ABS)?
- On wet roads, you should reduce your speed by
- Which is NOT one of the four basic skills that operating a commercial motor vehicle requires?
- If you feel drowsy while driving, what should you do?
- Which of the following statements about an escape ramp is FALSE?
- Do empty trucks have the best braking?
- Why should you cover your cargo?
- What is the definition of a hazard?
- When you start to drive down a steep downgrade, which of the following should influence your choice of speed?
- Where should you place your warning devices if you must stop on a one-way road or divided highway?
- Always try to back toward the driver's side because
- Letting the air out of hot tires
- What will help a drunk sober up?
- In which of the following two situations should you downshift?
- The most important hand signal that you and a helper should agree on is
- How many tie-downs are required for a 20-foot load?
- It has just reached freezing. Which of the following areas may be slippery?
- What is a common cause of tire fires?
- Which of the following is a key steering component?
- Which of the following are likely to get stuck at a railroad crossing?
- To maintain alertness on your trips, you should
- You should put the starter switch key into your pocket while you perform the pre-trip inspection because
- Which of these is NOT part of the basic method for shifting up?
- You don't want to be a distracted driver, so you
- While driving at night, which lights should you use as often as you can?
- The minimum tire tread depth for front tires is
- Which of the following statements about retarders are correct?
- Which of the following should you NOT do if you experience a tire failure?
- What is the gross vehicle weight (GVW)?
- Hazardous materials placards are
- Before transporting a sealed load, you must check
- Signs of distracted drivers include
- You should inspect wheel bearing seals for
- How often must you stop to check your cargo while on the road?
- Starting the engine and inspecting the cab involves each of the following tasks EXCEPT
- Which of the following is NOT something you should check during a trip?
- For how long will you lose your CDL driving privileges if you are convicted of a second DUI offense in either a CMV or your private vehicle?
- What is the best way to figure out how many seconds of following distance you have?
- How long does it take a typical tractor-trailer to clear a double railroad track?
- If the holder of a CDL from another state moves to Arizona, he or she will have _______ to exchange his or her CDL for an Arizona CDL.
- According to the Arizona Commercial Driver License Manual, how far ahead should you look while driving?
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