NE CDL Practice Tests

• Test Format: Computer-based at Nebraska DMV offices
• General Knowledge Test: 50 questions, need 80% to pass
• Permit Validity: 1 year
• Waiting Period: 14 days before skills test
• Languages: English only
• Fees: Vary by license class and endorsement type
• Retesting: Wait until next business day after failure
• ELDT Required: For new CDL applicants since February 7, 2022

The Nebraska CDL knowledge test evaluates your knowledge of commercial driving rules, safety regulations, and technical knowledge. You must pass this test to get a Commercial Learner's Permit (CLP), which is required before you can take the skills test for a full CDL. Testing is done electronically at Nebraska DMV offices throughout the state. The test covers federal regulations and Nebraska state laws, providing you with the knowledge to operate commercial vehicles in Nebraska and across state lines where applicable.

In Nebraska, you must take the CDL knowledge test if you're:

• Getting your first Commercial Learner's Permit
• Adding new endorsements to your existing CDL
• Upgrading your license class (such as from B to A)
• Reinstating a CDL that has been expired for more than one year
• Transferring from another state and getting new endorsements

Everyone must take the General Knowledge test first. Depending on the vehicle you will be driving and cargo you will be handling, you'll need additional tests for specific endorsements such as Passenger, School Bus, Hazardous Materials, Tank Vehicles, or Doubles/Triples. Each specialized test covers the unique requirements of that vehicle or cargo type.

The CDL knowledge test is an important first step in ensuring Nebraska's commercial drivers know how to operate large vehicles safely. Since commercial vehicles can cause significant damage in accidents due to their size and weight, you need proper knowledge before getting behind the wheel. The test verifies your understanding of regulations, safety practices, technical aspects of vehicle systems, and emergency procedures. Passing this test demonstrates you have the basic knowledge to begin supervised practice driving with your CLP.

Nebraska's CDL testing program meets Federal Motor Carrier Safety Administration (FMCSA) standards while incorporating state-specific regulations. This dual approach ensures Nebraska CDL holders meet both national and state requirements. The test covers general driving skills, air brake operation, combination vehicles, and various endorsements according to federal guidelines. By meeting both sets of standards, your Nebraska CDL will be recognized throughout the United States, provided you meet all other requirements like age restrictions and medical qualifications.

Nebraska CDL knowledge tests have the following number of questions:

• General Knowledge: 50 questions
• Air Brakes: 25 questions
• Combination Vehicles: 20 questions
• Passenger Endorsement: 20 questions
• School Bus Endorsement: 20 questions
• Hazardous Materials Endorsement: 30 questions
• Tank Vehicles Endorsement: 20 questions
• Doubles/Triples Endorsement: 20 questions

All tests are multiple-choice with 4 possible answers per question. These comprehensive tests evaluate your knowledge of regulations, safety procedures, and technical aspects of commercial driving and specific endorsements.

Sample question: During the pre-trip inspection, what should you check on the fifth wheel?

• That it's properly greased and securely mounted
• That it's painted the same color as the truck
• That it has the manufacturer's name visible
• That it's made of aluminum rather than steel

Answer: A. That it's properly greased and securely mounted

Nebraska requires you to score 80% or better on each test:

• General Knowledge: 40 out of 50 questions
• Air Brakes: 20 out of 25 questions
• Combination Vehicles: 16 out of 20 questions
• Passenger Endorsement: 16 out of 20 questions
• School Bus Endorsement: 16 out of 20 questions
• Hazardous Materials Endorsement: 24 out of 30 questions
• Tank Vehicles Endorsement: 16 out of 20 questions
• Doubles/Triples Endorsement: 16 out of 20 questions

Each test is scored separately. If you pass some tests but fail others, you will only need to retake the tests you failed.

Nebraska CDL knowledge tests are only offered in English. This aligns with federal regulations that require commercial drivers to be able to read and speak English sufficiently to understand road signs, make entries on reports and records, and communicate with officials. This English proficiency requirement ensures commercial drivers can communicate effectively during inspections, emergencies, and routine interactions with law enforcement and other drivers. There are no exceptions to this language requirement for CDL testing in Nebraska.

No, Nebraska prohibits the use of any study aids during CDL knowledge tests. This includes:

• Electronic devices of any kind
• Printed study materials or notes
• Commercial Driver's License manuals
• Calculators (except when specifically authorized)
• Reference sheets or cheat sheets

Testing areas are monitored to ensure test integrity. Using prohibited materials during testing will result in immediate test failure and possible additional penalties. All personal items must be stored in designated areas during testing.

Nebraska DMV does not have a strict time limit for CDL knowledge tests. Most applicants complete the General Knowledge test in 60-90 minutes, while endorsement tests typically take 30-45 minutes each. The DMV provides enough time to complete all tests without undue pressure. If you're taking multiple tests in one visit, plan accordingly for the extra time needed. For applicants with documented learning disabilities or special needs, testing accommodations may be available with proper documentation.

Nebraska offers several CDL knowledge tests:

• General Knowledge – The required starting point for all CDL types.
• Air Brakes – For drivers of air-brake-equipped vehicles.
• Combination Vehicles – Needed for Class A combinations.
• Passenger (P) Endorsement – For operating vehicles with passenger seating.
• School Bus (S) Endorsement – For certified student transport.
• Doubles/Triples (T) Endorsement – For towing two or three trailers.
• Tank Vehicles (N) Endorsement – Needed for tanker vehicle operation.
• Hazardous Materials (H) Endorsement – Required for hazmat shipments.

You only need to take tests relevant to your commercial driving plans. For example, if you won't be driving tank vehicles, you don't need the Tank Vehicle endorsement test.

Sample question: When checking air brakes during a pre-trip inspection, at what psi should the low air warning device activate?

• Below 20 psi
• Below 40 psi
• Below 55 psi
• Below 80 psi

Answer: C. Below 55 psi

General Knowledge: Vehicle inspection, basic vehicle control, shifting, defensive driving, visibility, communication, space management, controlling speed, night driving, extreme weather driving, emergency procedures, basic cargo handling.

Air Brakes: Components, dual systems, inspections, usage in various conditions, emergency stops, system failures, brake lag/fade.

Combination Vehicles: Coupling/uncoupling, inspection techniques, handling characteristics, preventing rollovers and jackknifes, backing.

Passenger (P): Passenger management, loading/unloading safely, emergency exits and procedures, accessibility requirements, special passenger considerations.

School Bus (S): Student loading/unloading procedures, emergency evacuations, danger zones, railroad crossing requirements, student management.

Doubles/Triples (T): Coupling/uncoupling multiple trailers, unique handling characteristics, inspection requirements, operating challenges.

Tank Vehicle (N): Liquid movement effects, handling partially-filled tanks, loading/unloading procedures, special braking.

Hazardous Materials (H): Classification, identification, documentation, loading/unloading procedures, driving rules, emergency procedures, security.

Study for Nebraska's CDL knowledge tests by:

• Reading the Nebraska CDL Manual sections relevant to your license class and endorsements
• Taking our practice tests
• Creating a study schedule over several weeks
• Making flashcards for technical terms and tough concepts
• Focusing extra time on air brakes and hazardous materials
• Memorizing pre-trip inspection procedures
• Studying Nebraska-specific regulations
• Learning vehicle systems and components
• Familiarizing yourself with documentation and procedural requirements

Study over time is more effective than cramming before the test. Many applicants underestimate the technical depth required, especially for endorsements.

Yes, we have our Nebraska-specific practice tests that will:

• Help you identify knowledge gaps
• Build your confidence
• Mimic the actual test environment and format
• Let you track your progress over time
• Explain both correct and incorrect answers
• Get you used to question types and formats

Our practice tests align with current Nebraska and federal standards and cover all test categories. Regular practice testing increases your chances of passing on the first attempt.

To pass Nebraska's CDL knowledge tests:

• Start studying 2-3 weeks before your test
• Focus on understanding concepts, not memorizing facts
• Use our practice tests to identify weak areas
• Get plenty of rest the night before
• Eat well before testing
• Read each question completely
• Pay attention to words like "always," "never," or "except"
• When unsure, choose the safest answer
• Review answers if the testing system allows
• Stay calm and focused

Sample question: What is the following distance in a tractor-trailer at highway speeds?

• 1 second for every 10 feet of vehicle length
• 1 second for every 10 feet of vehicle length plus 1 second if over 40 mph
• 2 seconds regardless of vehicle length
• 4 seconds regardless of vehicle length

Answer: B. 1 second for every 10 feet of vehicle length plus 1 second if over 40 mph

Our Nebraska practice tests are similar to the actual test in format, difficulty, and content coverage, but the questions are different. Our practice tests:

• Replicate question formats and wording
• Cover the same amount of content
• Help with time management
• Build critical thinking skills

Focus on understanding concepts, not memorizing answers, as the actual test draws from a large question bank, so each test is unique.

CDL knowledge tests are administered at designated Nebraska DMV driver licensing offices throughout the state. Not all DMV locations offer commercial testing services, so be sure to check the Nebraska DMV website or call ahead to confirm which locations provide CDL testing. Major testing centers are located in Lincoln, Omaha, Grand Island, North Platte, and Scottsbluff.

For CDL knowledge tests in Nebraska, appointments are recommended but not required at all locations. CDL skills tests always require appointments. Contact your local driver licensing office to confirm knowledge test appointment requirements as procedures vary by location. For skills test appointments, call 402-471-7983.

Scheduling an appointment ensures shorter wait times and guarantees testing on your preferred date. Walk-in testing may be available at some locations but could mean significant wait times or even no testing if daily testing capacity is reached.

You can schedule an appointment through the Nebraska DMV online scheduling system or by calling your local driver licensing office.

No, Nebraska does not offer online CDL knowledge testing. All tests must be taken in person at authorized DMV testing locations to maintain test security, verify identity, and ensure testing integrity. This in-person requirement is a federal regulation and applies nationwide. The in-person format prevents unauthorized assistance and confirms the person receiving the CDL personally demonstrated the required knowledge.

When taking your Nebraska CDL knowledge test, bring:

• Valid Nebraska driver's license
• Social Security card or acceptable verification of your number
• Proof of U.S. citizenship or lawful presence (birth certificate, passport, etc.)
• Two documents proving Nebraska residency showing your name and address
• Current DOT Medical Certificate (Form MCSA-5876)
• Completed CDL application
• Payment for applicable fees (cash, check, or credit card)
• For Hazardous Materials endorsement: Additional identification for TSA security screening
• Reading glasses if needed
• Knowledge of your medical history for certification purposes

All documents must be original or certified copies; photocopies are not accepted. If unsure about documentation requirements, contact the Nebraska DMV before your appointment.

IMPORTANT: Since July 8, 2015, all commercial motor vehicle applicants must provide proof of U.S. Citizenship or Lawful Status at their initial DMV visit.

Plan to arrive 15-20 minutes before your scheduled appointment. This extra time allows for:

• Document processing and verification
• Application completion
• Fee payment
• Settling in before testing begins

First-time applicants should arrive 30 minutes early to allow for additional paperwork. Late arrivals may need to reschedule. Also account for traffic and parking at DMV locations.

After passing the required knowledge tests, Nebraska will issue you a Commercial Learner's Permit (CLP) valid for one year. Your CLP has the following conditions:

• You must wait at least 14 days before taking the skills test
• You may only drive when accompanied by a qualified CDL holder in the passenger seat
• No passengers are permitted except for authorized supervisors, trainers, or examiners
• No transportation of hazardous materials is allowed
• Additional restrictions may apply based on your vehicle type or endorsements
• Your permit will list the endorsements you successfully tested for

You can practice driving commercial vehicles under proper supervision with your Nebraska CLP. This practice period is crucial for developing the skills needed to pass your CDL skills test. You can drive vehicles representing the class and endorsements on your permit, but only when accompanied by a licensed CDL holder. Use this time to perfect vehicle control, maneuvering, pre-trip inspection procedures, and road skills for your skills test.

Nebraska CDL knowledge test scores are valid for 12 months, the same as your CLP. If your permit expires before you complete your skills test, you'll need to retake all knowledge tests. Nebraska doesn't offer score extensions, so plan your skills testing within the one-year window to avoid retaking knowledge tests. This time limit ensures your knowledge is current when you get your full CDL.

If you fail a Nebraska CDL knowledge test:

• You must wait until the next business day to retest
• Only the tests you failed need to be retaken
• Use our practice tests to strengthen weak knowledge areas
• Review incorrect answers to understand conceptual misunderstandings
• Consider alternate study methods if you're struggling with particular topics

Nebraska doesn't limit how many times you can take the tests, but repeated failures indicate you need more preparation.

Sample question: If you fail the Air Brakes knowledge test, when can you retake it?

• The same day
• The next business day
• After a 7-day waiting period
• After a 30-day waiting period

Answer: B. The next business day

After holding your Nebraska CLP for at least 14 days and completing required Entry-Level Driver Training (ELDT):

• Call 402-471-7983 to schedule
• Make sure your CLP is still valid and your medical certificate is current
• Get a test vehicle for your CDL class
• Pay the skills test fee
• Choose a test date and time

Skills tests are conducted at different locations than knowledge tests. The 3-part test includes pre-trip inspection, basic vehicle control, and on-road driving. Make sure you are prepared in all 3 areas before scheduling your test.

For more information about Nebraska CDL requirements and testing locations, visit the Nebraska DMV Commercial Licensing page.