You will drive a nonexempt 40,000-pound combination with a trailer rated at 14,000 pounds. Which base CDL class covers this combination?
Correct answer: Class A.
A combination at 26,001 pounds or more falls in Class A when the towed unit exceeds 10,000 pounds. Required endorsements and restrictions still matter.
Source: NDDOT commercial driver licensing guidance, Class A definition; current official source reviewed September 29, 2026. ↗
A nonexempt straight truck has a GVWR of 30,000 pounds and does not tow a trailer. What is the minimum base CDL class for its weight?
Correct answer: Class B.
Class B covers a single vehicle of 26,001 pounds or more. Intrastate operation does not by itself remove the CDL requirement.
Source: NDDOT commercial driver licensing guidance, Class B definition; current official source reviewed September 29, 2026. ↗
A nonexempt bus has a GVWR of 24,000 pounds and is designed for 18 people including its driver. It is nearly empty today. Which licensing conclusion is correct?
Correct answer: It falls within CDL Class C and requires the passenger endorsement.
For this below-Class-B bus, the designed seating capacity—not today's passenger count—triggers Class C passenger licensing.
Source: NDDOT commercial driver licensing guidance, Class C and Passenger Bus (P) definitions; current official source reviewed September 29, 2026. ↗
A nonexempt delivery truck below 26,001 pounds carries a load requiring hazardous-material placards. What is the appropriate licensing conclusion?
Correct answer: Its low weight does not exempt it; Class C and the required hazardous-material endorsement apply.
Required placarding can trigger Class C even when the vehicle is below the weight threshold for Class B. The scenario excludes specific exemptions.
Source: NDDOT commercial driver licensing guidance, Class C and Hazardous Material (H) definitions; current official source reviewed September 29, 2026. ↗
A 19-year-old qualifies for ordinary North Dakota commercial driving and is offered a route crossing into another state. What age boundary applies?
Correct answer: Ordinary drivers ages 18 through 20 are limited to intrastate work; interstate commercial driving requires age 21.
NDDOT distinguishes ordinary intrastate eligibility at 18 from interstate eligibility at 21. Its separate custom-harvesting provision is not general permission for younger interstate driving.
Source: NDDOT commercial driver licensing guidance, Applicant age requirements; current official source reviewed September 29, 2026. ↗
You obtained a North Dakota CLP five days ago and have completed the required training. Can you take the ordinary commercial road test now?
Correct answer: No; the CLP must have been held for at least 14 days.
Training completion and the permit holding period are separate requirements. NDDOT requires at least 14 days before the commercial road test.
Source: NDDOT commercial driver licensing guidance, Road test and CLP holding period; current official source reviewed September 29, 2026. ↗
Your North Dakota CLP reaches the end of its one-year period before you pass the skills test. Which assumption is wrong?
Correct answer: That the expired CLP automatically continues to authorize ordinary supervised practice.
The statute limits the permit to one year. It distinguishes a new permit after knowledge retesting from a limited letter for traveling to and completing the road test; neither is automatic indefinite practice authority.
Source: North Dakota Century Code, Chapter 39-06.2, Section 39-06.2-07(6)(b), physical pages 6-7; current official source reviewed September 29, 2026. ↗
A CLP holder wants to practice in a Class A combination. An experienced friend has only a Class D car license. Can that friend serve as the required commercial supervising driver?
Correct answer: No; the supervisor needs a valid CDL for the type of vehicle and must occupy the instructional seat beside the permit holder.
North Dakota requires an accompanying CDL holder qualified for the vehicle, seated beside the learner for instruction. An ordinary car license is not enough.
Source: North Dakota Century Code, Chapter 39-06.2, Section 39-06.2-07(6)(b), physical pages 6-7; current official source reviewed September 29, 2026. ↗
You have a North Dakota CLP with passenger and school-bus endorsements. May you use a practice drive to carry the regular school route's children?
Correct answer: No; the CLP is not authority to transport the regular passenger or school-bus load.
The permit's passenger endorsements allow the relevant learning process, not ordinary passenger service. The statute prohibits a CLP holder from transporting passengers requiring P or S.
Source: North Dakota Century Code, Chapter 39-06.2, Section 39-06.2-07(7)(a)-(b), physical page 7; current official source reviewed September 29, 2026. ↗
A North Dakota CLP holder with the tank endorsement will practice with a tank vehicle. Its liquid has been drained, but hazardous residue remains. Is that permitted?
Correct answer: No; the tank must be empty and must not contain hazardous-material residue.
North Dakota's CLP rule requires both an empty tank and no hazardous-material residue. A drained tank can still fail that rule.
Source: North Dakota Century Code, Chapter 39-06.2, Section 39-06.2-07(7)(c), physical page 7; current official source reviewed September 29, 2026. ↗
A North Dakota CLP holder is offered a hazardous-material load small enough not to require an H endorsement. Does that alone make carrying it under the CLP lawful?
Correct answer: No; North Dakota prohibits a CLP holder from transporting hazardous materials regardless of whether an H endorsement is required.
The state permit restriction is broader than the H-endorsement trigger. It expressly covers hazardous materials regardless of the need for that endorsement.
Source: North Dakota Century Code, Chapter 39-06.2, Section 39-06.2-07(7)(d), physical page 7; current official source reviewed September 29, 2026. ↗
A new applicant seeks a first Class A CDL and has no applicable training exemption. Is self-study alone enough to satisfy entry-level driver training requirements?
Correct answer: No; the applicant must complete the applicable ELDT requirements through a registered training provider.
Current FMCSA guidance includes a first Class A or B CDL, a B-to-A upgrade, and first P, S, or H endorsements in ELDT scope. This question assumes no applicable exemption.
Source: FMCSA Entry-Level Driver Training, About the ELDT Regulations; Training Provider Registry; updated February 4, 2026; current official source reviewed September 29, 2026. Cross-check: 49 CFR 380.603(a), https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-380/subpart-F/section-380.603. ↗
A North Dakota CDL holder wants an H endorsement for the first time. Which preparation is required in addition to the hazardous-material knowledge test?
Correct answer: Complete the federal security threat assessment and required theory ELDT.
NDDOT's initial-H process requires the security threat assessment, a North Dakota CDL, required federal theory training, and the hazardous-material knowledge test. Employer approval does not replace these steps.
Source: NDDOT commercial driver licensing guidance, New (Initial) Hazardous (H) material endorsement holders, steps 1-5; current official source reviewed September 29, 2026. ↗
A driver's North Dakota CDL has an L restriction. Can the driver accept a commercial vehicle equipped with air brakes merely because its weight matches the license class?
Correct answer: No; the air-brake restriction still prohibits that operation.
The L restriction means no air-brake-equipped CMV. Matching the base weight class is necessary but does not remove equipment restrictions.
Source: North Dakota CDL Manual, 2025-2027 (DL0625; model core Rev. July 2014), State introduction, CDL Specific Restrictions, printed page 5; physical PDF page 11. ↗
A driver's North Dakota CDL has a Z restriction. What must the driver not assume?
Correct answer: That this authorizes driving a CMV with a full air-brake system.
Z means no full-air-brake-equipped CMV. It is different from a complete prohibition on all air-brake-equipped vehicles.
Source: North Dakota CDL Manual, 2025-2027 (DL0625; model core Rev. July 2014), State introduction, CDL Specific Restrictions, printed page 5; physical PDF page 11. ↗
You plan to operate a manual-transmission Class B truck but take the initial skills test in an automatic-transmission vehicle. What restriction should you expect?
Correct answer: An E restriction against operating manual-transmission CMVs.
Testing in an automatic vehicle results in a restriction against manual-transmission commercial vehicles. The knowledge test does not establish the missing manual-transmission skill.
Source: North Dakota CDL Manual, 2025-2027 (DL0625; model core Rev. July 2014), State introduction, CDL Specific Restrictions, printed page 5; Preparing for the Road Test item 2, physical page 16; physical PDF page 11. ↗
You will drive a full-size school bus designed for 40 people, carrying children between home and school. In addition to its appropriate CDL class, which endorsements are required?
Correct answer: Passenger (P) and school bus (S).
The bus meets the passenger-capacity requirement and is used for school transportation. The P and S requirements address different parts of that operation.
Source: North Dakota CDL Manual, 2025-2027 (DL0625; model core Rev. July 2014), State introduction, Passenger Bus and School Bus endorsements, printed page 4; physical PDF page 10. ↗
You certify as Category 1, non-excepted interstate, and complete a new medical examination. Under NDDOT's current process, how is the certification supplied for your licensing record?
Correct answer: The nationally certified medical examiner submits it electronically; verify that the record updates.
NDDOT's current notice requires examiner electronic submission for this category and directs drivers with reporting problems back to their medical examiner. It does not mean medical qualification is optional.
Source: NDDOT Medical Certification Requirements, Rev. 4/2025, Category 1 and electronic-reporting instructions; physical pages 1-2; current official source reviewed September 29, 2026. ↗
A North Dakota CDL driver self-certifies as Category 3: intrastate and subject to state driver qualification requirements. What does current NDDOT medical guidance require?
Correct answer: Carry the medical certificate; this category is intrastate-only with a K restriction.
The current agency chart specifically retains the carry requirement for Category 3. Category 4 is a separate excepted category, not a choice based only on staying in the state.
Source: NDDOT Medical Certification Requirements, Rev. 4/2025, Category 3; physical page 2; current official source reviewed September 29, 2026. ↗
Your truck never leaves North Dakota, but its delivery is one leg of cargo that originated outside the state. For medical self-certification, is physical location alone enough to call the trip intrastate?
Correct answer: No; movement within the state can still be part of interstate commerce.
NDDOT explains that a within-state leg can be interstate when it is part of transportation originating or terminating outside the state. Consider the shipment's movement, not just the truck's path.
Source: NDDOT Medical Certification Requirements, Rev. 4/2025, Interstate commerce definition; physical page 1; current official source reviewed September 29, 2026. ↗
A North Dakota CDL holder is in prohibited status under the federal drug and alcohol Clearinghouse requirements. Does an unexpired plastic CDL alone authorize continued commercial driving?
Correct answer: No; commercial privileges are subject to downgrade or removal until the return-to-duty requirements are satisfied.
North Dakota requires Clearinghouse checks and removal or downgrade of commercial privileges for noncompliance until return-to-duty requirements are met.
Source: North Dakota Century Code, Chapter 39-06.2, Section 39-06.2-08.2, physical page 8; current official source reviewed September 29, 2026. ↗
A North Dakota CDL holder is convicted of a first DUI while driving a personal, noncommercial car. What is the consequence for commercial driving stated in the statute?
Correct answer: A one-year disqualification from operating a CMV.
Section 39-06.2-10(8) applies the one-year commercial disqualification to a first qualifying DUI conviction in a noncommercial vehicle. Keeping work and personal vehicles separate does not avoid it.
Source: North Dakota Century Code, Chapter 39-06.2, Section 39-06.2-10(8), physical page 11; current official source reviewed September 29, 2026. ↗
You are preparing for a North Dakota CDL skills appointment during the manual's 2026 transition. Which preparation decision is sound?
Correct answer: Confirm with NDDOT which skills-test version your selected site uses, then study its matching inspection and control sections.
The current manual describes a hybrid implementation of the modernized test and directs applicants to confirm their site's version. Knowledge practice does not replace inspection, control, or road skills.
Source: North Dakota CDL Manual, 2025-2027 (DL0625; model core Rev. July 2014), Attention notice: modernized CDL skills-test transition; physical page 2; physical PDF page 2. ↗
A driver operating a CMV in North Dakota has a measured alcohol concentration of 0.04 percent. Is it sound to argue that the ordinary 0.08 threshold allows continued CMV driving?
Correct answer: No; 0.04 percent or more triggers the commercial alcohol disqualification provision.
The commercial statute uses 0.04 percent or more. This is a legal trigger, not a promise that driving below it is safe or permitted under every alcohol rule.
Source: North Dakota Century Code, Chapter 39-06.2, Sections 39-06.2-10(1)(e) and 39-06.2-10.1; physical pages 10 and 12; current official source reviewed September 29, 2026. ↗
A CDL truck is designed to transport water in a permanently attached 1,200-gallon tank. Does the water's nonhazardous nature remove the tank endorsement requirement?
Correct answer: No; an N endorsement can be required for a qualifying liquid tank even when the contents are not hazardous.
A single 1,200-gallon liquid tank meets the individual-over-119-gallon and aggregate-at-least-1,000-gallon capacity criteria. Hazardous classification is not necessary for the N requirement.
Source: North Dakota CDL Manual, 2025-2027 (DL0625; model core Rev. July 2014), State introduction, Tank Vehicle endorsement, printed page 4; Section 8 introduction, physical page 101; physical PDF page 10. ↗
