Free North Dakota CDL practice test with real commercial driving questions. Prepare for your North Dakota CDL exam — General Knowledge, Air Brakes, HazMat, and all endorsements. Updated for 2026.
The North Dakota DOT knowledge exam tests your understanding of North Dakota 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.
Air brake system components, inspection, emergency stops, and maintenance.
Hazardous materials classification, placarding, loading/unloading rules.
Liquid surge, rollover prevention, loading and unloading procedures.
Coupling, uncoupling, stability, and safe driving with multiple trailers.
Passenger safety, school bus operations, railroad crossings, evacuation.
The North Dakota CDL knowledge test has 50 questions for General Knowledge. You need 80% to pass. Each endorsement (Air Brakes, HazMat, Tanker, etc.) has an additional 20-30 questions.
DriveAce covers General Knowledge, Air Brakes, HazMat, Tanker, Doubles/Triples, Passenger, School Bus, and Combination Vehicle endorsements for North Dakota.
Yes! DriveAce offers free CDL practice questions for North Dakota. Study General Knowledge and endorsement-specific questions that mirror the real North Dakota DOT CDL exam.
You need to score 80% or higher on the North Dakota CDL knowledge test and each endorsement test. DriveAce practice tests use the same passing threshold so you know when you're ready.
Join thousands of drivers who passed their test 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.