Commercial Drivers License Practice Test

Check out our FREE CDL Practice Test below and see how you do.

Then get further prepared for the written portion of the commercial driver's license test by purchasing a 100-question or 50-question practice tests. These CDL practice tests are created from our bank of CDL practice test questions and are designed to prepare you for the basics. These practices test are useful for those looking to get their chauffeur license, bus drivers, transport and more. Also consider studying the DMV CDL handbook to reference all rules of the road pertaining to commercial drivers.

NOTE: See our CDL endorsements, for study guides on CDL hazmat training, CDL general knowledge, Class A, B and C CDL license endorsement and more.

Free Commercial Drivers License (CDL) Practice Test

1. The purpose of you conducting a pre-trip inspection of your vehicle is:
2. Water is the best way to put out a fire when the fuel is:
3. Before beginning a trip, you should always:
4. Overloading a vehicle may have adverse effects on a vehicle’s:
5. Before you can take the driving portion to get your commercial drivers license, you will need to:
6. You have to study and pass a test before you are granted a commercial drivers license:
7. Drivers should check the exhaust system regularly because: