North Dakota CDL Written Test — Questions, Cost & Study Tips (2026)

Studying for your North Dakota CDL written exam? Here is what applicants typically need to know before visiting North Dakota DOT.

How many questions on the North Dakota CDL test?

North Dakota general knowledge written exams commonly include about 50 multiple-choice questions for the core CDL knowledge test. Endorsements such as air brakes, combination vehicles, hazmat, and passenger are separate written tests if your license class requires them.

PassCDL mirrors this structure: start with general knowledge, then add endorsement practice for the tests you need.

North Dakota CDL test cost (approximate)

Written exam fees at North Dakota DOT are typically $20–$30 per attempt (varies by office and endorsement). Failing and retesting can cost more than a month of PassCDL Pro — many students prefer unlimited practice before test day.

North Dakota study tip

North Dakota DOT CDL knowledge tests are taken at driver license sites for each class and endorsement.

Free ND CDL practice test

Use our North Dakota CDL practice test for scored questions and explanations. PassCDL Pro adds full exam simulations, all endorsements, and unlimited retakes.

See also: How many questions on the CDL test? · CDL general knowledge study guide

Educational practice only — not affiliated with North Dakota DOT or any state DMV.