
Because of the risks involved and the potential consequences these risks impose, all levels of government regulate the handling of HazMat. HazMat include explosives, various types of gas, solids, flammable and combustible liquid, and other materials. The term often is shortened to HazMat, which you may see on road signs or to HM in government regulations. HazMat are products that pose a risk to health, safety, and property during transportation. The test fee for the CDL in California is $25.This section is designed to assist you in understanding your role and responsibilities in hauling HazMat. You must be a minimum of 18 years old to apply and take your California CDL test. This represents an accuracy score of 80%. You must get 40 answers correct to pass your test. You can expect to see 50 questions on your CA DMV exam.


It is designed to help you safely and effectively operate a commercial motor vehicle. The written portion of the official CA CDL test will cover information from the California Commercial Driver Manual. All questions are from actual DMV administered CDL written tests that your peers submit. The California CDL practice tests and cheat sheets you will find here are perfect for your California First Time CDL and CLP applicants, existing California Commercial Drivers License holders, and California CDL renewal applicants.

The practice exams are graded instantly with feedback and correct answers provided.

They are available in both English and Spanish. The practice tests and cheat sheets you will find here are based on the 2022 California Commercial Driver License Manual. Thousands of prospective license holders utilize our practice tests and California CDL cheat sheets every day to help better understand the questions they will face on their written tests. DMV-Written-Test strives to help everyone pass their California DMV CDL test on their first attempt.
