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How many questions are on the CDL permit test in California?

Tina Tran
Tina Tran
Created at September 9, 2025

How many questions are on the CDL permit test in California? The California CDL permit test consists of 95 questions in total, but the exact number of questions in each section can vary depending on the type of license and endorsements you’re pursuing while obtaining the CDL in California. In this article, Easy Prep will break down the CDL permit test step by step, giving you a clear overview of how many questions are included in each section so you can prepare more effectively.

How many questions are on the CDL permit test in California?

The CDL permit test in California consists of a maximum of 95 questions. Below, you’ll find the breakdown of how many questions appear in each section of the test:

General knowledge

General knowledge

General knowledge

The General Knowledge test is the foundation of the CDL permit exam and is required for all applicants. This section consists of 50 multiple-choice questions, covering essential topics every commercial driver must know. The questions may include areas such as:

  • Vehicle inspection procedures
  • Basic control skills and safe driving practices
  • Hazard awareness and emergency maneuvers
  • The effects of alcohol and drugs on driving performance

In California, you are given approximately one hour to complete this section. To pass, you must answer at least 80% of the questions correctly – that means getting 40 out of 50 questions right. Failing to meet this benchmark means you won’t pass the General Knowledge portion of the CDL test. To prepare effectively, try taking our California CDL General Knowledge Practice Test.

Combination vehicles (if applicable)

Combination vehicles (if applicable)

Combination vehicles (if applicable)

The Combination Vehicles test consists of 20 multiple-choice questions. On average, most applicants spend around 30 to 45 minutes completing this section. In California, you’ll need to score at least 80% or higher to pass – meaning you must answer a minimum of 16 questions correctly.

This test is designed to assess your knowledge of operating combination vehicles, such as tractor-trailers, double or triple trailers, and other large vehicles with multiple parts connected by coupling systems. You can expect questions covering topics such as:

  • Safe driving techniques for combination vehicles
  • Proper coupling and uncoupling procedures
  • Preventing rollovers and trailer skids
  • Inspecting air brakes on combination vehicles
  • Handling emergencies while driving multi-trailer rigs

Air brakes (if applicable)

Air brakes (if applicable)

Air brakes (if applicable)

The Air Brakes test in California consists of 25 questions, which may appear in multiple-choice or true/false format. Earning the air brakes endorsement is mandatory for drivers who operate vehicles equipped with an air brake system. Without passing this section, your CDL will carry a restriction that prevents you from driving such vehicles. To prepare effectively, try taking our California CDL Air Brakes Practice Test.

This test is a specialized part of the CDL permit exam that evaluates your understanding of how air brake systems work and how to safely operate vehicles that use them. It ensures that drivers have the necessary knowledge to handle the added complexity and safety requirements of air brakes. You’ll be tested on topics such as:

  • How the air brake system functions (including components like air compressors, tanks, and valves)
  • Proper inspection and maintenance procedures
  • Safe and effective use of air brakes while driving
  • How to identify warning signs of brake failure
  • Potential hazards of air brake malfunctions and emergency response techniques

FAQs

1. How many questions are on the CDL Class A permit test in California?

The CDL Class A permit test in California typically includes 95 questions in total, divided across several sections such as General Knowledge, Air Brakes, and Combination Vehicles. To pass, you must score at least 80% on each applicable section.

2. What happens if I fail my CDL permit test three times in California?

If you fail the CDL permit test three times in California, you will need to reapply for a new Commercial Learner’s Permit (CLP) and pay the application fee again. You’ll need to pay $85 for a new CLP and retake all parts – including knowledge and skills tests. Knowledge test retakes cost $10 each, skills test retakes around $45 each. In addition, you may be required to wait a specific period before retaking the exam.

Conclusion

How many questions are on the CDL permit test in California? There are 95 questions waiting for you to conquer. The best way to prepare is through consistent study and practice. Start today with the free CDL practice test at Easy Prep to build your confidence and get ready to earn your CDL in California.