Free Kentucky CDL practice test with real commercial driving questions. Prepare for your Kentucky CDL exam — General Knowledge, Air Brakes, HazMat, and all endorsements. Updated for 2026.
The Kentucky Transportation Cabinet CDL knowledge test has 50 questions for General Knowledge, with additional 20–30 question tests for each endorsement (Air Brakes, HazMat, Tanker, etc.). You need 80% to pass each section. Kentucky's knowledge test is administered by the Transportation Cabinet at Circuit Court Clerk offices.
The Kentucky Transportation Cabinet knowledge exam tests your understanding of Kentucky traffic laws, road signs, and safe driving practices. DriveAce covers every topic you'll encounter on test day.
Vehicle inspection, cargo management, driving techniques, and documentation for Kentucky CDL.
Air brake system components, inspection, emergency stops, and maintenance tested by the Kentucky Transportation Cabinet.
Hazardous materials classification, placarding, loading/unloading rules for Kentucky CDL endorsement.
Liquid surge, rollover prevention, loading and unloading procedures for Kentucky tanker endorsement.
Coupling, uncoupling, stability, and safe driving with multiple trailers under Kentucky CDL rules.
Passenger safety, school bus operations, railroad crossings, evacuation for Kentucky CDL.
The Kentucky Transportation Cabinet CDL General Knowledge test has 50 questions. You need 80% (40 correct) to pass. Each CDL endorsement — Air Brakes, HazMat, Tanker, Doubles/Triples, Passenger, School Bus — has an additional 20–30 question test, each also requiring 80%.
DriveAce covers all major Kentucky CDL endorsements: General Knowledge, Air Brakes, HazMat (Hazardous Materials), Tanker Vehicles, Doubles/Triples, Passenger Vehicles, and School Bus. All practice questions are based on Kentucky Transportation Cabinet CDL requirements.
Yes — DriveAce offers free CDL practice questions for Kentucky. Study General Knowledge and endorsement-specific questions that mirror the real Kentucky Transportation Cabinet CDL exam. Full access to all practice questions is available for a one-time $19.99 fee.
You need to score 80% on the Kentucky CDL General Knowledge test and each endorsement test. DriveAce practice tests use the same 80% passing threshold, so you always know when you're ready for the real exam at the Kentucky Transportation Cabinet.
Join thousands of drivers who passed their Kentucky CDL exam on the first try with DriveAce. No subscription. No ads. Just the knowledge you need.
Start Free Practice Test →$19.99 one-time for full access. 20 free questions included.