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0 (6mistakes allowed to pass)
Free Connecticut CDL HazMat Endorsement Practice Test 2026
Original questions by our teamBased on 2026 CT CDL Handbook
Avg. pass rate on our CT tests: 60%.
Average pass rate for this test: 67%.
Easy
7 min
73% fail this test first try • Better here than at DMV
Score distribution:
90-100
=>
23%
80-89
=>
25%
70-79
=>
23%
60-69
=>
19%
<60%
=>
10%
Avg. first-try score: 73%
From the freedom of the rolling hills and coastal lowlands to the busy urban traffic, you’ll get a real taste of country and city life while driving through Connecticut. You’re here, so you must be considering adding the Hazardous Materials (Hazmat) endorsement to your Commercial Driver’s License (CDL). That’s smart thinking as you can increase the marketability of your CDL and potentially increase the size of your bank account. The Hazmat endorsement permits drivers aged 21 and over to transport materials that the U.S. government has deemed hazardous. If you don’t have the endorsement, you are cut off from an entire class of cargo transport!
Once endorsed, you can transport cargo such as explosives, certain types of fuel, industrial chemicals, radioactive materials, and infectious substances. We can hear you: “Am I supposed to feel good about hauling radioactive material?” Rest assured that the most important objective of this endorsement process is to ensure your safety and protect the people and environment in your driving area.
12CT students practicing right now
•9 tests completed today statewide
Original questions by our teamBased on 2026 CT CDL Handbook
Driving-Tests.org is listed in the official FMCSA Training Provider Registry for Entry-Level Driver Training (ELDT) theory certification. Verify on tpr.fmcsa.dot.gov
Federal Motor Carrier Safety Administration Provider
Questions are created and maintained by the Driving-Tests.org content team following our multi-layer editorial process and updated whenever the ConnecticutDMV changes its handbook or website information. Official sources we check:
First, you’ll need to pass a Transportation Security Administration (TSA) fingerprinting and background check. That’s just step one. Step two is passing the DMV knowledge test. The knowledge test covers federal regulations, substance handling, and a host of other topics. Connecticut’s knowledge test is made up of 30 questions and must be passed with a score of at least 80% (24 out of 30 answers must be correct) (Connecticut CDL Handbook 2026).
Let’s get back to the potential income increase available. After all, isn’t that the point? In the Constitution State, there are multiple industries that require a Hazmat endorsement to haul chemicals used in manufacturing, gasoline, propane, pesticides, and materials associated with the state’s large pharmaceutical and healthcare industries. Pfizer (Groton), General Electric (Fairfield), and Yale New Haven (North Haven) are just some of the companies that require hazmat-holding drivers. Lucrative, right? Check out how we’ve streamlined the process.
Our online DMV Connecticut CDL Hazmat Endorsement practice tests are designed to avoid all the extraneous information you’ll come across. We go straight to the relevant material and mirror the official DMV test. Apply for your fingerprinting and background check. Then, while you wait, study with our practice tests. Once you receive the results and feel prepared, visit the DMV with the necessary documents, pay the fees, and take the test.
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.
An official & trusted partner in driver education
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.
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Sources & methodology
We build our practice questions from the current 2026 CT Driver Handbook and refine them using patterns recent test‑takers report.
What we use
Driver handbook • Knowledge‑test/permit overview • Fees & ID requirements • Office/appointment info
How we make exam‑like questions
We mirror recurring themes (e.g., right‑of‑way traps, sign look‑alikes) and use similar distractors and wording styles.
What we don’t do
We don’t collect or publish actual test items and we’re not affiliated with DMV.
FMCSA Training Provider Registry Verification
Driving-Tests.org is officially listed in the FMCSA Training Provider Registry (TPR) as an approved ELDT training provider.
What this means:
We meet all federal ELDT requirements
Your completion is automatically reported to FMCSA
Your state DMV can verify your ELDT certification in the TPR
You're eligible to take your CDL written and skills tests
You can verify our listing yourself at tpr.fmcsa.dot.gov - search for "Driving-Tests" in the Provider Name field, then click the "Online" tab.