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. If your vehicle is equipped with air brakes, you need to know:
2. The tendency for long commercial vehicles to swing wide on turns is called:
3. If you have a breakdown or emergency, you need to put reflective triangles out at:
4. You can assume that posted overhead clearance signs are correct:
5. Unsecured cargo can be dangerous because:
6. Drivers should check the exhaust system regularly because:
7. Before beginning a trip, you should always:



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