ND CDL Practice Tests

• Testing Locations: Williston, Minot, Dickinson, Bismarck, Jamestown, Devils Lake, Fargo, and Grand Forks
• General Knowledge Exam: 50 questions, 80% passing (40 correct answers)
• CLP Duration: 1 year
• Mandatory Waiting: 14 days to take skills test after getting CLP
• Available Languages: English only (federal regulation)
• License Classes: A, B, C depending on vehicle and use
• Retesting: Failed tests can be taken the next business day
• Special Requirements: DOT medical certificate and REAL ID

The North Dakota CDL knowledge test is a computerized exam that tests your knowledge of commercial vehicle operation and safety regulations. Before you can take the skills test, you need to get a Commercial Learner's Permit (CLP) by passing this exam.

The test covers everything from vehicle inspection to safe driving and North Dakota traffic laws. Tests are administered at Driver License offices across the state with commercial testing facilities. The questions test your knowledge of federal regulations and North Dakota specific regulations to ensure you are ready to drive on North Dakota roads.

In North Dakota, you need to take the test in the following situations:

• First time commercial license applicants for a CLP
• Current CDL holders adding endorsements
• CDL holders upgrading their classification (e.g. from B to A)
• CDL holders whose license has been expired for more than 1 year
• Out of state CDL holders transferring to North Dakota with additional endorsements

The general knowledge test is required for everyone, while specialized tests are required based on your commercial driving activities. For example, school bus drivers need the general test and the School Bus (S) endorsement test. Each vehicle or cargo type has its own test section.

The knowledge test is North Dakota's first line of defense in highway safety. Commercial vehicles can weigh up to 80,000 pounds on interstate highways and 105,500 pounds on state roads. Proper operator knowledge is crucial. The test verifies your knowledge of pre-trip inspections, safe loading, emergency procedures and vehicle handling.

With commercial vehicles capable of causing so much damage in an accident, these tests prevent crashes from happening by making sure drivers have the knowledge before they get to operate. Think of it as the foundation of all safe commercial driving.

North Dakota aligns its CDL testing program with Federal Motor Carrier Safety Administration (FMCSA) standards and adds state specific content. This dual approach makes your North Dakota license valid nationwide while addressing local conditions like winter driving and state specific weight limits.

The test covers federally required topics like vehicle inspection, basic control skills and safe operation principles and North Dakota specific content on state traffic laws and regional driving conditions. This comprehensive approach means your North Dakota commercial license will be recognized in all 50 states and prepares you for the unique challenges of commercial driving in the northern plains.

North Dakota has different question counts for each license type and endorsement:

• General Knowledge Exam: 50 multiple choice questions
• Air Brake System Test: 25 questions on system operation and maintenance
• Combination Vehicle Test: 20 questions on coupling and handling
• Passenger Transport Qualification: 20 questions on passenger safety
• School Bus Operation Certification: 20 questions on student safety procedures
• Hazardous Materials Authorization: 30 questions on handling and regulations
• Tank Vehicle Test: 20 questions on liquid surge and special handling
• Doubles/Triples Authorization: 20 questions on multiple trailer management

All tests are multiple choice with 4 options and each question is designed to test your knowledge of safety concepts and regulatory requirements.

Sample question from actual North Dakota test: When inspecting fifth wheel connections, which condition indicates proper coupling?

• Fifth wheel plate tilted toward trailer rear
• No visible space between upper and lower fifth wheel components
• Kingpin positioned outside locking jaws
• Apron resting above the fifth wheel assembly

Answer: B. No visible space between upper and lower fifth wheel components

North Dakota Department of Transportation requires 80% on all CDL knowledge tests. This means:

• General Knowledge: 40 correct answers (out of 50)
• Air Brake Systems: 20 correct answers (out of 25)
• Combination Vehicles: 16 correct answers (out of 20)
• Passenger Transport: 16 correct answers (out of 20)
• School Bus Operation: 16 correct answers (out of 20)
• Hazardous Materials: 24 correct answers (out of 30)
• Tank Vehicles: 16 correct answers (out of 20)
• Multiple Trailers: 16 correct answers (out of 20)

Each test is scored independently. Failing one section doesn't affect passing scores on other tests – you only need to retake the sections that didn't meet 80%.

North Dakota only offers CDL knowledge tests in English. Federal regulations require commercial drivers to have sufficient English language proficiency to read road signs, communicate with enforcement officials, maintain required records and understand shipping documentation.

This single language testing ensures all commercial operators in North Dakota can communicate during inspections, emergency situations and routine interactions with transportation authorities. No exceptions or translations are available regardless of native language or proficiency level.

North Dakota prohibits all reference materials and electronic devices during CDL testing. When you enter the testing area you'll need to store personal items in designated areas. Prohibited items include:

• All mobile devices and electronics
• Handwritten notes or study sheets
• CDL manuals or test guides
• Dictionary or reference texts
• Calculation devices of any kind

Testing stations are monitored to ensure compliance. Using unauthorized materials will result in test termination and possible testing privileges suspension. The test is designed to test your knowledge without external help.

North Dakota doesn't have time limits for CDL knowledge tests but most applicants take:

• 60-90 minutes for General Knowledge test
• 30-45 minutes for each endorsement test
• 2-3 hours for a full CDL test session with multiple endorsements

The electronic testing system allows you to go at your own pace, so take your time to think through each question. If you have a documented disability or special need, contact the Driver License Division at 701-328-2600 to make arrangements for testing accommodations before your appointment.

North Dakota has commercial driving exams for different vehicle types and cargo operations:

• General Knowledge Examination (required for all applicants)
• Air Brake Systems Test (for vehicles with air brake components)
• Combination Vehicle Test (for Class A tractor-trailer configurations)
• Passenger Transport (P endorsement for bus operators)
• School Bus Operation (S endorsement for student transportation)
• Multiple Trailers (T endorsement for doubles/triples)
• Tank Vehicle (N endorsement for liquid cargo)
• Hazardous Materials (H endorsement with TSA background check)

You only need to take the tests that apply to your commercial driving goals. For example, a tanker driver hauling petroleum products would need General Knowledge, Air Brakes and Tank Vehicle tests, while a school bus driver would need different endorsements.

Sample question from North Dakota test: In vehicles with air brakes, what does "brake lag" refer to?

• The time until brake components need to be replaced
• The time it takes for compressed air to travel through the lines after pedal application
• The time from accelerator to brake pedal
• The time to fully engage the parking brake

Answer: B. The time it takes for compressed air to travel through the lines after pedal application

General Knowledge Examination: Covers basic commercial driving concepts including pre-trip inspections, safe vehicle control, gear shifting, following distances, night driving and bad weather, emergency procedures, securing cargo, accident procedures, fire prevention, driver fatigue and basic hazardous materials regulations.

Air Brake Systems Test: Focuses on air brake system operation including compressor function, air tank components, brake chamber mechanics, slack adjuster inspection, dual system operation, maintenance, air brake checks, air pressure warnings, emergency stopping and brake fade on North Dakota's varied terrain.

Combination Vehicles: Covers operating articulated vehicles including coupling/uncoupling procedures, fifth wheel component inspection, trailer connections, combination vehicle stability, rollover prevention, jackknife avoidance, wide turns and backing up at North Dakota's loading facilities.

Passenger Transport (P): Focuses on safe passenger transportation including boarding/alighting procedures, accessibility equipment, clear emergency exits, passenger communication, handling disruptive behavior, ADA requirements and North Dakota's commercial passenger vehicle regulations.

School Bus Operation (S): Covers student transportation topics such as student loading/unloading procedures, danger zones around the bus, emergency evacuations, crossing control arms and warning lights, school zones, railway crossing procedures for school buses and student management.

Multiple Trailers (T): Addresses combination vehicles with two or three trailers including coupling/uncoupling of multiple units, converter dollies, unique handling characteristics, trailer sway, North Dakota's highways with extended vehicles and high-wind conditions.

Tank Vehicle (N): Focuses on liquid cargo including surge dynamics in partially-filled tanks, baffled vs smooth-bore tankers, center of gravity, loading/unloading procedures and specialized braking for North Dakota's terrain.

Hazardous Materials (H): Covers safety procedures including material classification, shipping documentation, loading/unloading protocols, route planning, emergency response, communication with authorities, security awareness and North Dakota hazmat transportation corridors.

• Study all relevant sections of the North Dakota CDL Manual for your license class and endorsements
• Take our free practice tests
• Create a study schedule over several weeks rather than cramming
• Make flashcards for difficult concepts and technical terms
• Focus extra time on challenging topics (air brakes, hazmat)
• Review pre-trip inspection procedures thoroughly
• Pay attention to North Dakota specific regulations and requirements
• Study vehicle systems and components until you understand how they work
• Familiarize yourself with all required documentation and procedures

Consistency is key rather than cramming. Many applicants underestimate the technical knowledge required, especially for endorsements.

Yes! Our free North Dakota practice tests will help you:

• Identify knowledge gaps in your understanding
• Build confidence through repeated practice
• Simulate the actual test environment and format
• Track your progress as you improve
• Understand explanations for both correct and incorrect answers
• Get familiar with the types of questions asked on the actual test

Our practice tests cover all CDL test categories and are updated regularly to reflect current testing standards. Using practice tests has been shown to increase first-attempt pass rates.

• Start studying at least 2-3 weeks before your test date
• Understand concepts rather than simply memorizing answers
• Take our practice tests to identify and focus on weak areas
• Get enough rest the night before your test
• Eat a good meal before testing to maintain concentration
• Read questions completely before selecting answers
• Look for keywords like "always," "never," or "except" that can change a question's meaning
• Choose safety-oriented answers when unsure
• Review all answers before submitting if the testing system allows
• Stay calm and focused throughout the test

Sample question: When should you use turn signals?

• Only when other vehicles are present
• At least 100 feet before turning
• Just as you begin to turn
• Only when changing lanes

Answer: B. At least 100 feet before turning

Our practice tests cover the same topics and format as the actual test, though specific questions differ. We design our questions to reflect the style, difficulty level and content of the actual North Dakota CDL knowledge test. The practice tests help you become familiar with:

• Question formats and wording styles
• Content coverage and depth
• Time management during testing
• Critical thinking skills needed for test success

Focus on understanding concepts rather than memorizing specific answers, as the actual test draws from a large question bank and each test is unique.

At designated North Dakota DMV offices that offer commercial licensing services. Not all DMV offices provide CDL testing, so check the DMV website or call ahead to confirm. Testing locations have special equipment and trained staff for CDL testing. Major testing locations are in Williston, Minot, Dickinson, Bismarck, Jamestown, Devils Lake, Fargo, and Grand Forks.

Yes, appointments are recommended. Schedule through:

• dot.nd.gov
• 855-633-6835

Appointments must be made at least one hour before closing or before lunch if the office closes for lunch. Allow extra time if you plan to take multiple tests.

No. All CDL knowledge tests must be taken in person at authorized DMV offices to ensure security, identity verification and test integrity. This is a federal requirement that applies to all states, not just North Dakota. In-person testing prevents cheating and ensures the person receiving the CDL is the one who demonstrated the knowledge.

Required documents:

• Valid North Dakota driver's license or valid out-of-state license
• Proof of citizenship/legal residency (birth certificate, passport, permanent resident card, etc.)
• Proof of Social Security number (Social Security card, W-2 Form, SSA-1099 Form, etc.)
• Proof of North Dakota residency (two documents showing your North Dakota address)
• Current DOT Medical Certificate (Form MCSA-5876)
• Completed CDL application
• Payment for applicable fees

All documents must be original or certified copies. Photocopies are not accepted. If you're unsure about document requirements, contact the DMV before your appointment.

Arrive 15-20 minutes early to allow time for:

• Document verification
• Application processing
• Fee payment
• Getting settled before the test begins

If you arrive late, you may have to reschedule. First-time applicants should arrive 30 minutes early to allow time for paperwork processing. Traffic and parking at DMV offices can be unpredictable, so plan accordingly.

You'll receive a Commercial Learner's Permit (CLP) valid for 12 months with these conditions:

• Must wait at least 14 days before taking the skills test
• Can only drive with a qualified CDL holder in the passenger seat
• No passengers except supervisors, trainees or examiners
• No hazardous materials transport
• Other restrictions based on vehicle type/endorsements
• Specific endorsements you passed tests for will be included on your CLP

Practice driving commercial vehicles while supervised before taking your skills test. This is crucial to develop the skills needed to pass the behind-the-wheel test. Use this time to become familiar with the vehicle you'll be testing in and practice all the maneuvers required for the skills test.

Scores are valid for 12 months, same as your CLP. If your CLP expires before you complete the skills test, you'll need to retake all knowledge tests. There are no extensions on score validity, so plan to complete your skills test within the 12-month window to avoid having to retest. This ensures your knowledge is current when you get your full CDL.

If you fail:

• Wait until the next business day to retest
• Only retest the sections you failed
• Use our practice tests to focus on weak areas
• Review incorrect answers to understand why they were wrong
• Consider studying with different methods if you're struggling with particular topics

There's no limit to how many times you can retest, but repeated failures may mean you need more preparation.

Sample question: What happens if you fail a section of the test?

• Wait 30 days before retesting
• Retest immediately at another location
• Wait until the next business day to retest
• Retest all sections, even those passed

Answer: C. Wait until the next business day to retest

After holding your CLP for at least 14 days:

• Go to dot.nd.gov or call 855-633-6835
• Make sure your CLP is valid and medical certificate is current
• Arrange for a test vehicle that matches your CDL class
• Choose a date and time from available slots

Skills tests are conducted at different locations than knowledge tests. The skills test consists of a pre-trip inspection, basic vehicle control, and on-road driving demonstration. Make sure you're prepared for all three parts before scheduling.