Broader question sets for checking readiness across a CDL topic.
Practice tests
Choose a practice set.
Start with a broader CDL set when you want a score check, or use a focused review when one skill needs more attention before you retest.
Shorter sets for the skills that show up in answer review.
Each answer includes a plain explanation and a common mistake note.
Broader checks
Start here when you want a score.
These sets are best after reading the study guide or when you want to find which topic needs more review.
CDL 120 questions
CDL General Knowledge Test 1
A short CDL general knowledge practice set with immediate answers and explanations.
CDL 80 questions
CDL Air Brakes Test 1
A focused air brakes practice set for pressure warnings, system behavior, and safe operation.
CDL 60 questions
CDL Hazmat Test 1
A focused hazmat endorsement practice set for shipping papers, placards, handling, routing, and emergencies.
CDL 49 questions
CDL Passenger Endorsement Test 1
A focused passenger endorsement practice set for rider safety, loading, stops, exits, and inspection.
CDL 23 questions
CDL Doubles and Triples Test 1
A focused doubles and triples practice set for converter dollies, rear trailer movement, coupling checks, and safe control.
CDL 25 questions
CDL Tank Vehicles Test 1
A focused tank vehicles practice set for surge, outage, inspection, smooth control, and rollover risk.
CDL 30 questions
CDL School Bus Test 1
A focused school bus practice set for danger zones, student loading, railroad crossings, emergency exits, and inspection.
CDL 10 questions
CDL Skills Test Prep Test 1
A focused skills-test preparation set for basic control, road-test habits, turns, lane changes, and safe corrections.
CDL 50 questions
CDL Pre-Trip Inspection Test 1
A focused pre-trip inspection practice set for unsafe defects, vehicle systems, and driver decisions before driving.
Focused review
Use these after a weak-area score.
A focused review keeps the next step small: read the short study notes, answer related questions, then return to a broader set.
CDL 15 questions
CDL Vehicle Inspection Review
Focused CDL practice for pre-trip checks, defects, inspection habits, and safety decisions.
CDL 20 questions
CDL Speed and Space Management Review
Focused CDL practice for following distance, safe speed, grades, curves, and road conditions.
CDL 20 questions
CDL Hazard Response Review
Focused CDL practice for emergencies, traction loss, warning signs, and safe response decisions.
CDL 20 questions
CDL Cargo Safety Review
Focused CDL practice for cargo weight, securement, load checks, and driver responsibility.
CDL 11 questions
CDL Air Pressure Warning Review
Focused CDL air brakes practice for low air warnings, psi thresholds, and safe response.
CDL 9 questions
CDL Air Leakage Test Review
Focused CDL air brakes practice for static leakage, applied leakage, and pressure-loss limits.
CDL 20 questions
CDL Spring and Parking Brakes Review
Focused CDL air brakes practice for spring brakes, parking brakes, emergency braking, and pressure behavior.
CDL 13 questions
CDL Compressor and Governor Review
Focused CDL air brakes practice for compressor behavior, governor cut-in/cut-out, and air supply.
CDL 20 questions
CDL Air Brake System Basics Review
Focused CDL air brakes practice for brake system parts, gauges, chambers, and braking force.
CDL 20 questions
CDL Coupling System Review
Focused CDL combination vehicle practice for fifth wheel, kingpin, locking jaws, and trailer connections.
CDL 12 questions
CDL Trailer Control Review
Focused CDL combination vehicle practice for off-tracking, rollover risk, and trailer movement.
CDL 18 questions
CDL Doubles and Triples Control Review
Focused CDL practice for longer combinations, converter dollies, rear trailer movement, and safe spacing.
CDL 20 questions
CDL Tank Vehicle Control Review
Focused CDL practice for liquid surge, outage, smooth control, tank inspection, and rollover risk.
CDL 20 questions
CDL School Bus Safety Review
Focused CDL practice for danger zones, student loading, crossings, evacuation, and school bus inspection.
CDL 9 questions
CDL Basic Control Review
Focused CDL practice for backing, pull-ups, encroachments, mirror use, and safe control decisions.
CDL 11 questions
CDL Road Test Habits Review
Focused CDL practice for lane changes, turns, intersections, traffic checks, speed, and communication.
CDL 20 questions
CDL State Rules Review
Focused CDL practice for state handbook notes, licensing context, and local rule awareness.
CDL 20 questions
CDL Hazmat Safety Review
Focused CDL practice for hazardous materials loading, routing, parking, leaks, fires, and emergency response.
CDL 20 questions
CDL Passenger Safety Review
Focused CDL practice for passenger loading, stops, rider movement, emergencies, and smooth vehicle control.
CDL 20 questions
CDL Passenger Vehicle Inspection Review
Focused CDL practice for emergency exits, aisles, doors, baggage, and passenger-safety equipment.
CDL 20 questions
CDL Pre-Trip Systems Review
Focused CDL practice for steering, suspension, tires, lights, leaks, belts, hoses, and unsafe defects.