new hampshire
CDL Practice Test


Welcome to the New Hampshire CDL practice test site. Questions from these tests are designed to prepare you for the actual NH DMV CDL knowledge tests that you may have to take depending on the CDL classification and endorsement that you are looking to obtain. You are welcome to take these CDL practice test questions as many times as you like as the tests are completely free. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50-minute time limit. You may not go back once you answer a question. Click the "Start Test" button below to begin.

1 / 40

Upon what does the amount of liquid you can carry in a load depend?

2 / 40

You are driving a 40 foot truck at 35 MPH, how much space (in seconds) should you keep in front of you?

3 / 40

Of the following hazardous material classes, which is the most dangerous?

4 / 40

The reason a bulk liquid tanker is hard to handle is:

5 / 40

The best way to have control on curves is:

6 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

7 / 40

To test the tractor-trailer connection for security, you should:

8 / 40

Select the accurate statement in regards to rolling up the landing gear to complete the coupling process.

9 / 40

Select the statement that describes how you could damage the landing gear.

10 / 40

When stopping for railroad tracks, you must stop no closer than how many feet before the nearest track?

11 / 40

What is the purpose of a driver placarding his or her vehicle?

12 / 40

Select the true statement about stop valves in a cargo tank:

13 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 Dangerous When Wet material?

14 / 40

Which of the following is a recommended procedure when unloading the students?

15 / 40

Which of the following should you do when confronted by an aggressive driver?

16 / 40

You are required to have a tank endorsement when transporting:

17 / 40

You must keep shipping papers describing hazardous materials ______.

18 / 40

The bus driver must accept responsibility for supervising and controlling students while on the bus route. Who is the person in charge?

19 / 40

Select the portion of the combination vehicle that is most likely to turn over suddenly when pulling a double trailer:

20 / 40

Select the reason as to why air tanks need to be drained:

21 / 40

Which of the following is NOT an important reason to look far ahead when you are driving?

22 / 40

If you are hauling hazardous materials and have ___ tires on your vehicle, you must stop and check them every time you park.

23 / 40

These tires should have a minimum tread depth of 4/32 inches.

24 / 40

You should_____when the low pressure warning is activated:

25 / 40

Suspension systems:

26 / 40

A driver of a tanker should use an escape ramp when _____.

27 / 40

What will happen should a driver cross the air lines when hooking up the an older trailer?

28 / 40

An emergency escape ramp should be used _____.

29 / 40

A baffled tanker has:

30 / 40

While driving at night, which lights should you use as often as you can?

31 / 40

Take extra caution when driving smooth bore tanks during:

32 / 40

What will probably happen if the converter dolly is still under the second trailer and the pintle hook is unhooked?

33 / 40

Which of the following is not a prohibited practice on the bus:

34 / 40

Select the load of the trailer that will require the shorter distance to stop.

35 / 40

What product is typically carried in a liquid tank trailer without baffles?

36 / 40

School buses are one of the safest means of transportation. What two key factors contribute to this impressive safety record?

37 / 40

In what position should shut off valves on the rear of the last trailer be in on a set of double trailers?

38 / 40

If you are required to stop at railroad crossings, you must:

39 / 40

A disruptive passenger:

40 / 40

This object should not move more than an inch by pulled by hand with the brakes released for manual slack adjusters.

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CDL Category Practice Tests

CDL Practice Test

How To Get A new hampshire Commercial Drivers License

To be eligible for a CDL in New Hampshire, applicants must meet the following age eligibility requirements. To operate a commercial vehicle intrastate (within New Hampshire only) a driver must be at least 18 years old. To operate a commercial vehicle interstate (outside New Hampshire) a driver must be at least 21. The New Hampshire Department of Motor Vehicles requires applicants to self-certify and submit a copy of a medical certificate. New Hampshire CDL applicants must complete and submit a statement of license status. Applicants are required to pass a vision test.Applicants who are non-excepted drivers (not employed by a federal or state agency) must include a copy of their medical cards with the statement of license status. New Hampshire CDL applicants who do not meet the minimum medical requirements can apply to drive intrastate only and cannot transport hazardous materials. Drivers whose licenses have been revoked, suspended, denied or canceled are not eligible for a CDL in New Hampshire. CDL applicants cannot possess driver’s licenses in more than one state.

New Hampshire CDL Endorsements

  • H – Hazardous Material
  • N – Tank Vehicles
  • P – Passenger Vehicles
  • S – School Bus
  • T – Towing a Double or Triple Trailer
  • X – Combination Tank Vehicle and Hazardous Materials

Hit the Open Road

new hampshire CDL License Test Tips

All CDL applicants must pass the general knowledge test and specific tests for each endorsement. Applicants must score at least 80 percent on each test. The New Hampshire skills test includes a pre-trip vehicle inspection, off-road (reversing, parking, navigating cones) and on-road driving (intersections, highways, railroad crossings). Applicants must pass each section of the endorsement tests.

Recent military veterans and enlisted military members can apply to have the skills test waived if they currently are enlisted in the military or honorably discharged from the military within the past 90 days of submitting an application. The can also get a waiver if they have operated a motor vehicle equivalent to a commercial motor vehicle in the military within the past year. Other requirements include:

  • Reside in New Hampshire.
  • Not have any alcohol-related or major driving incidents within 2 years before submitting a CDL application.
  • Complete Form DSMV 609 Application for Military Skills Test Waiver. This form must be signed by a commanding officer.

Additional Information

Information on the New Hampshire Division of Motor Vehicles

The New Hampshire Division of Motor Vehicles provides oversight for the CDL license requirements in New Hampshire. To get more information contact them via:


Phone: 603.227.4000


Additional New Hampshire CDL Helpful Links

Please use the links below to access more valuable New Hampshire CDL testing resources and to learn more about practice driving tests for the state of New Hampshire.