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CDL Practice Tests

Choose from our comprehensive collection of CDL practice tests. All tests are free, include instant feedback, and are updated for 2025 DMV requirements.

General Knowledge

Beginner

Essential knowledge for all CDL drivers covering safety, vehicle operation, and regulations.

Questions:50
Time Limit:60 min
Passing Score:80%
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Air Brakes

Intermediate

Master air brake systems, inspection procedures, and safe operation techniques.

Questions:25
Time Limit:30 min
Passing Score:80%
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Combination Vehicles

Intermediate

Learn to safely operate tractor-trailers and other combination vehicles.

Questions:20
Time Limit:25 min
Passing Score:80%
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HazMat Endorsement

Advanced

Hazardous materials handling, safety procedures, and regulatory compliance.

Questions:30
Time Limit:35 min
Passing Score:80%
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Passenger Endorsement

Intermediate

Safe passenger transport, vehicle inspection, and emergency procedures.

Questions:20
Time Limit:25 min
Passing Score:80%
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School Bus Endorsement

Advanced

School bus operation, student safety, and special driving considerations.

Questions:20
Time Limit:25 min
Passing Score:80%
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Doubles/Triples

Advanced

Operating double and triple trailer combinations safely and effectively.

Questions:20
Time Limit:25 min
Passing Score:80%
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Tanker Endorsement

Advanced

Liquid cargo handling, vehicle stability, and specialized safety procedures.

Questions:20
Time Limit:25 min
Passing Score:80%
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Why Choose Our CDL Practice Tests?

100% Free

All practice tests are completely free. No registration, no hidden fees, no time limits.

Updated for 2025

Questions are regularly updated to match current DMV requirements and regulations.

Instant Feedback

Get immediate explanations for each question to learn from your mistakes.