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Delaware CDL Class B Practice Test 2025

Average pass rate for CDL tests in Delaware: 61%.
Average pass rate for this test: 67%.
Moderate
9 min

In Delaware, anyone can become a commercial driver as long as they meet the basic requirements. You must be 18 to drive within the state (intrastate) and 21 to drive across state lines (interstate), have a valid Delaware driver’s license, and be physically fit for this job. The first step in the licensing process involves submitting identification documents, paying the licensing fees, and passing a vision screening and a medical exam.

To obtain a Commercial Learner’s Permit (CLP), applicants must pass a 50-question general knowledge exam. This test is based on the State of Delaware Commercial Driver License Manual (Delaware CDL Handbook 2025), an official resource published by the DMV.

Delaware CDL Class B Practice Test 2025
Commercial Driver's License
Based on the official DE CDL HandbookHandbook‑based (2025) + exam‑taker feedback
1 DE students practicing now
• 47 completed today
Steven Litvintchouk, M.S., Chief Educational Researcher at Driving-Tests.org

Authored and fact-checked by Steven Litvintchouk, M.S.

Chief Educational Researcher, Driving‑Tests.org (ACES member)

Last verified for accuracy on

Methodology & Editorial Policy

Real Delaware drivers who passed first try

Verified student reviews • Shared with permission

Best site For anything with wheels.
Driving-tests.org has been my go to site for all of my CDL test and I have passed the first time. I have used this site for my CDL class A permit, Tanker & Hazmat DMV exams. would not study anywhere else. I also used it to get my motorcycle endorsment.
S
I was the only one that passed the CDL out of 7 people.
I was the only one that passed the CDL A air brakes, general and combination test today out of 7 people. But I also passed the tanker and Double/triples test.I got 3 wrong. I credit this program to my success. I focused on the tests in the program. I loved the ability to flag 1 that I got right and could be grilled on it again plus having the ones I failed be put aside to do till I got then correct.
JER
A much better way to learn.
Update: Took the exam. Passed the 1st time. 68 of 70 questions correct. This test prep works. I found absorbing the information in the CDL manual difficult. I could memorize the information but I wasn't learning how to apply it. It was like drinking from a fire hose. This format separates the signal from the noise. Now, I much better understand how to use and apply the information for both the CLP test and also as a professional driver. You still have to read the manual. This site helps you to learn what you're reading.
MB
Easy to pass hazmat tests.
Good way to learn and retain hazmat laws and safety I had retired 2 years took this training and quickly passed with 100%.
G
I am so thankful to have come across….
I am so thankful to have come across this website! I took my CDL Test, Class B, Hazmat, Airbrake, and Passenger endorsements, and passed easily thanks to the help of this site! I highly recommend using it! It is and the staff (Marina) is quite helpful! Thank you so much!
V
This site is awesome.
I passed my permit test today, flawlessly thanks to this site. I took my time and went through all of the many practice tests that they had and just like that, I have my cdl permit in hand. Thank you so much for this site.
JC
A must to save time and money!
Studied for about 20 hours on my own for about 4 days for the class A CDL permit test. I failed General Knowledge and Air brakes on Monday. Was pretty flustered since I studied for a week. Bought this program on Monday night and took the test again Wednesday morning and passed easily. Was surprised how many of the same worded questions that are on driving-tests.org were on the official dmv test. Looking forward to using this for my endorsements. With Covid 19 and the long wait times. This course is a must if you can't afford or have the time to waste going to the dmv multiple days to retake tests.
TL

About the Delaware CDL

Initially, your CDL will have an L restriction, which prohibits you from driving trucks equipped with air brakes. To remove this restriction, you must pass the official air brakes knowledge exam and a skills test in a vehicle with air brakes. A minimum score of 80% is required to pass each of these knowledge tests. After obtaining your CLP, you must complete Entry-Level Driver Training (ELDT) from a provider listed in FMCSA’s Training Provider Registry.

Our Delaware CDL Class B Practice Test is an intuitive tool designed to make you a better driver. Use it regularly throughout your learning phase to strengthen your knowledge and prepare for your dream career. All 50 questions have multiple answer choices, but only one is correct. Please read every question twice and think before you select an answer. For your convenience, we have omitted any timer from this practice test, allowing you to finish each session at your own pace.

The answer popularity feature can be found in the test settings menu. Once activated, it will show the percentage of students who chose each answer, helping you spot questions where misconceptions are common. You can take advantage of the detailed explanation provided to understand the reasoning behind the correct answer.

Start today and dedicate the following days to studying the official commercial driver license manual. Learn the basics and get a grasp of what it takes to become a safe and responsible commercial driver. Use our practice tests to strengthen your knowledge and prepare for the official general knowledge exam.

We know what it takes to pass. And we’ve got the proof.

Driver’s Ed is - nobody wants to set foot inside the DMV. That’s why millions of learners trust us for simple, visual, effective prep.

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We are an officially recognized FMCSA Entry-Level Driver Training provider and a proud partner to over 2,500 libraries. We work with safety organizations like GHSA and the National Safety Council to help create safer roads for everyone.

A smarter way to study

Challenge Bank™

Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.

AI-powered feedback

Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.

Interactive handbook

Go beyond the boring black-and-white manual. Our interactive handbook lets you read, listen with an MP3 audio version, or even chat with it to find the information you need, faster.