In California, what is the minimum age to obtain a Commercial Driver's License?

18 years old for intrastate, 21 for interstate

21 years old for all commercial driving

What is California's BIT (Basic Inspection of Terminals) program requirement for motor carriers?

Mandatory terminal inspections and vehicle maintenance records

There is no BIT program in California

In California, what special permit is required to transport hazardous waste?

California Hazardous Waste Hauler Registration

Standard hazmat endorsement only

California Hazardous Waste Hauler Registration

California Practice Tests

50 Questions

California CDL General Knowledge Test

Based on the Official California DMV CDL Manual

80%

Passing Score

After the practice test

Turn a practice score into a pass in California

Practice questions show you where you are. These are the three things people use next, in the order they usually use them.

ELDT Theory study guide

The FMCSA-required theory topics, written for the permit test, not for a classroom.

Open the guide →

Full-length General Knowledge exam

Timed, scored and explained, on CertQuestUSA, our exam-prep site. Free to take; results show the sections to reread.

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Find the school for the road test in California

Every listing shows tuition, financing and whether the school runs company-paid or WIOA-funded seats.

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Other California Practice Tests

Air Brakes(50 questions)Combination Vehicles(15 questions)HazMat(50 questions)Passenger(15 questions)School Bus(15 questions)Tanker(15 questions)

Tips for the General Knowledge Section

1.Study the General Knowledge section of the official California DMV CDL
2.Focus on California-specific rules and regulations
3.Take this practice test multiple times until you score 80%+
4.Review explanations for every question you miss

Disclaimer: This practice test is for educational purposes only and is not affiliated with or endorsed by the California DMV or the FMCSA. Questions are based on the publicly available California CDL Manual and are designed to help you prepare for the official exam. Always study the official California CDL handbook for the most accurate information.