CDL practice tests
260+ questions across every major endorsement. Randomized tests, change-answer-before-next UX, missed-question review, and full exam simulations with Pro.
Free · 100 questions · Exam 50 Q
General Knowledge
Practice general knowledge CDL test questions covering inspections, safe driving, cargo, and regulations — the core exam every Class A, B, and C applicant takes.
Free · 40 questions · Exam 25 Q
Air Brakes
Air brake endorsement practice questions on compressors, tanks, spring brakes, dual systems, and pre-trip checks.
Free · 40 questions · Exam 20 Q
Combination Vehicles
Practice coupling, fifth wheels, jackknife prevention, and safe turning for combination vehicle endorsements.
Pro · 30 questions · Exam 30 Q
Hazmat
Hazardous materials endorsement practice covering placards, shipping papers, loading rules, and emergency response basics.
Pro · 25 questions · Exam 20 Q
Passenger
Passenger endorsement questions on bus safety, railroad crossings, boarding, and emergency procedures.
Pro · 15 questions · Exam 20 Q
Doubles & Triples
T endorsement practice for double and triple trailer combinations — crack-the-whip, converter dollies, and coupling order.
Pro · 10 questions · Exam 20 Q
Tanker
Tank vehicle endorsement questions on surge, baffles, center of gravity, and safe loading of liquid cargo.
CDL practice tests by state
State-specific landing pages for the highest-volume CDL searches in the U.S.
How PassCDL compares
- 260+ practice questions with explanations
- Full exam mode — 50-question general knowledge simulation (Pro)
- Change answers before moving to the next question
- Missed question review after every test
- Weak area tracking on your account
- 7 endorsement categories including doubles/triples and tanker