CDL

CDL Practice Test

Free CDL practice organized by knowledge area, state intent, and real driving scenarios.

What to study for the CDL test

CDL study usually covers vehicle inspection, safe driving, cargo, air brakes, combination vehicles, and endorsements. Use the topics below to choose what to practice first.

Pre-trip inspection and driver responsibility
Basic vehicle control and space management
Hazard perception, speed control, and adverse conditions
Cargo safety and emergency procedures
Air brakes and combination vehicle foundations
Endorsements such as hazardous materials and passenger transport when required

Open the CDL study guide Start general practice

How to study this topic

What you will practice

CDL learners need safe-driving judgment, inspection habits, cargo awareness, and a working understanding of key vehicle systems.

What to practice first

Start with general knowledge, then review air brakes and combination vehicles if those topics apply to your license path.

Question variations

The same safety objective can appear as recall, inspection, hazard, and road-scenario questions, so practicing multiple formats helps.

Practice questions