Free CDL Practice Tests

Free CDL Practice Tests in English & Spanish

Start with three free exam-style questions and instant explanations for each CDL topic, then download the full prep ebook when you're ready.

General Knowledge

Take a free CDL general knowledge practice test with instant explanations, then unlock the full MyCDLClass course in English.

Try a free CDL air brakes practice test with answer explanations and prepare for the air-brake knowledge test in English.

Take a free CDL combination vehicles practice test covering coupling, rollover prevention, and trailer safety with explanations.

Practice free doubles and triples CDL questions about converter dollies, coupling, inspections, and crack-the-whip safety.

Take a free CDL tanker endorsement practice test about liquid surge, outage, baffles, and safe tanker operation.

Try a free CDL HazMat practice test about placards, shipping papers, and emergency safety, with instant answer explanations.

Take a free CDL passenger endorsement practice test about loading, standee lines, baggage, and post-trip safety.

Try a free CDL school bus endorsement practice test covering the danger zone, loading, unloading, and railroad crossings.

Take a free CDL pre-trip inspection practice test covering tires, brakes, leaks, and safety checks with answer explanations.