Free Arizona CDL Practice Test — Updated for 2025

Getting your Commercial Driver’s License in Arizona means passing the written CDL knowledge exams. This page provides free Arizona CDL practice tests covering every major subject: General Knowledge, Air Brakes, Combination Vehicles, Hazmat, Passenger, School Bus, Tankers, and Doubles/Triples. Each test shows one question at a time with instant feedback and simple explanations. Updated for 2025, these exams help you build confidence and prepare faster.

Arizona CDL at a Glance (Plain-English Summary)

  • Age & eligibility:
    Must be 18+ to drive intrastate (within Arizona), and 21+ to drive interstate, transport hazmat, or carry passengers.
  • License:
    A valid Arizona driver’s license is required, plus a clean record.
  • Medical card:
    CDL applicants must have a valid DOT Medical Examiner’s Certificate unless exempt.
  • CLP:
    Pass the CDL knowledge tests for your class (A/B/C) and endorsements to get a Commercial Learner’s Permit (CLP).
  • ELDT:
    Entry‑Level Driver Training is federally required for Class A/B and for H, S, P endorsements.
  • Skills test:
    Hold CLP for 14+ days before taking skills test (pre‑trip, basic control, on‑road).
  • Hazmat:
    Requires a TSA background check + knowledge test.
  • Testing agency:
    Exams are administered by the Arizona MVD (Motor Vehicle Division).

What’s on the Arizona CDL Knowledge Tests

General Knowledge

— safe driving rules, inspections, emergencies, speed/space management, night/weather driving, cargo basics.

Air Brakes

— dual systems, gauges/warnings, parking brakes, stopping distance, downhill driving.

Combination Vehicles

— coupling/uncoupling, rollovers, skid prevention, inspections, safe backing.

Hazardous Materials (H)

— hazmat classes, placards, shipping papers, segregation, emergency response, TSA requirements.

Passenger (P) & School Bus (S)

— safe loading/unloading, evacuation, mirror checks, prohibited practices.

Tankers (N)

— surge/slosh, rollover prevention, speed control, inspections.

Doubles/Triples (T)

— converter dollies, coupling order, trailer checks.

Pre‑Trip Inspection

— engine, tires, brakes, suspension, coupling, lights, in‑cab checks, safety equipment.

Required for All CDL Drivers

These tests are mandatory for all Commercial Driver's License applicants

About General Knowledge Tests

Basic rules, regulations, and safe driving practices for commercial vehicles

General Knowledge Test 1

Basic CDL knowledge and traffic laws

📝 50 Questions 🎯 80% to pass
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General Knowledge Test 2

Vehicle safety and inspection procedures

📝 50 Questions 🎯 80% to pass
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General Knowledge Test 3

Driving techniques and hazard awareness

📝 50 Questions 🎯 80% to pass
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General Knowledge Test 4

Transportation of cargo and passengers

📝 50 Questions 🎯 80% to pass
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General Knowledge Test 5

Emergency procedures and vehicle maintenance

📝 50 Questions 🎯 80% to pass
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General Knowledge Test 6

Final comprehensive review test

📝 50 Questions 🎯 80% to pass
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About Air Brakes Tests

Air brake systems, inspection, and operation procedures

Air Brakes Test 1

Basic air brake system components and operation

📝 25 Questions 🎯 80% to pass
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Air Brakes Test 2

Air brake inspection and testing procedures

📝 25 Questions 🎯 80% to pass
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Air Brakes Test 3

Emergency procedures and troubleshooting

📝 25 Questions 🎯 80% to pass
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Air Brakes Test 4

Advanced air brake systems and safety

📝 25 Questions 🎯 80% to pass
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About Pre-Trip Inspection Tests

Vehicle inspection procedures and safety checks

Pre-Trip Inspection Test 1

Engine compartment and cab inspection

📝 20 Questions 🎯 80% to pass
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Pre-Trip Inspection Test 2

Exterior vehicle inspection

📝 20 Questions 🎯 80% to pass
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Pre-Trip Inspection Test 3

Trailer and coupling system inspection

📝 20 Questions 🎯 80% to pass
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Endorsement Tests

Additional certifications for specialized commercial driving

About Combination Vehicles Tests

Tractor-trailers, truck and trailer combinations

Combination Vehicles Test 1

Coupling and uncoupling procedures

📝 20 Questions 🎯 80% to pass
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Combination Vehicles Test 2

Inspection of combination vehicles

📝 20 Questions 🎯 80% to pass
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Combination Vehicles Test 3

Driving combination vehicles safely

📝 20 Questions 🎯 80% to pass
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Combination Vehicles Test 4

Backing and maneuvering techniques

📝 20 Questions 🎯 80% to pass
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Combination Vehicles Test 5

Advanced combination vehicle operation

📝 20 Questions 🎯 80% to pass
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About Hazmat Tests

Hazardous materials transportation and safety

Hazmat Test 1

Hazmat classification and identification

📝 30 Questions 🎯 80% to pass
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Hazmat Test 2

Loading and handling procedures

📝 30 Questions 🎯 80% to pass
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Hazmat Test 3

Documentation and placarding

📝 30 Questions 🎯 80% to pass
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Hazmat Test 4

Emergency response and safety procedures

📝 30 Questions 🎯 80% to pass
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About Passenger Vehicles Tests

Buses and vehicles designed to transport passengers

Passenger Vehicle Test 1

Pre-trip inspection for passenger vehicles

📝 20 Questions 🎯 80% to pass
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Passenger Vehicle Test 2

Loading and unloading passengers

📝 20 Questions 🎯 80% to pass
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Passenger Vehicle Test 3

Passenger safety and emergency procedures

📝 20 Questions 🎯 80% to pass
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Passenger Vehicle Test 4

Special situations and regulations

📝 20 Questions 🎯 80% to pass
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About School Bus Tests

School bus operation and student transportation safety

School Bus Test 1

Loading and unloading students

📝 20 Questions 🎯 80% to pass
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School Bus Test 2

Emergency exits and evacuation procedures

📝 20 Questions 🎯 80% to pass
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School Bus Test 3

Student management and safety

📝 20 Questions 🎯 80% to pass
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School Bus Test 4

Special hazards and situations

📝 20 Questions 🎯 80% to pass
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About Tanker Vehicles Tests

Liquid cargo transportation and tank vehicle operation

Tanker Vehicle Test 1

Tanker vehicle inspection and safety

📝 20 Questions 🎯 80% to pass
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Tanker Vehicle Test 2

Driving techniques for liquid cargo

📝 20 Questions 🎯 80% to pass
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Tanker Vehicle Test 3

Loading, unloading, and emergency procedures

📝 20 Questions 🎯 80% to pass
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About Doubles/Triples Tests

Double and triple trailer combinations

Doubles/Triples Test 1

Coupling and inspection procedures

📝 20 Questions 🎯 80% to pass
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Doubles/Triples Test 2

Driving techniques and safety

📝 20 Questions 🎯 80% to pass
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Doubles/Triples Test 3

Emergency procedures and troubleshooting

📝 20 Questions 🎯 80% to pass
Start Test

FAQs — Arizona CDL

Additional certifications for specialized commercial driving

Q1- Who needs a CDL in Arizona?

  • A single vehicle with GVWR 26,001 lb+
  • A combination vehicle with GCWR 26,001 lb+ if the trailer is 10,001 lb+
  • A vehicle carrying 16+ passengers including the driver
  • A vehicle that requires hazmat placards.

Q2- How old must I be to get a CDL in Arizona?

18 years for intrastate, 21 years for interstate, hazmat, or passenger operation.

Q3- Do I need a DOT medical card?

Yes. Most CDL drivers must pass a physical exam and carry a Medical Examiner’s Certificate.

Q4- What is ELDT?

Entry-Level Driver Training is required for Class A, B, and for endorsements H, S, P. It must be completed before skills testing.

Q5- How long do I hold a CLP before the skills test?

At least 14 days>.

Q6- Who administers CDL tests in Arizona?

The Arizona MVD and approved third‑party testers.

Q7- What is the passing score for CDL tests in Arizona?

80% is required to pass most knowledge exams.

Q8- Are CDL tests available in Spanish?

Some knowledge tests may be offered in Spanish. Confirm with the Arizona MVD for current language options.

Q9- What is required for Hazmat endorsement?

A TSA background check plus the Hazmat knowledge exam.

Q10- What should I bring to test day?

Arizona license, CLP, medical card, proof of ELDT, and a test vehicle that matches the CDL class.