Kentucky Hazardous Materials CDL Practice Test
Below are 25 exam-style questions for the Kentucky Hazardous Materials CDL knowledge test, modeled on the FMCSA-aligned content used by the Kentucky Transportation Cabinet. Try to answer each question on your own before reading the answer key directly under it. The questions and answer choices are shuffled deterministically per state and endorsement, so the order will stay the same on repeat visits — that lets you genuinely measure your improvement.
- A Filed in the cab's glove box
- B Within reach of the driver while seated and within reach when the driver is out of the cab
- C Mailed to the destination
- D Stored in the trailer
- A All of the above
- B Move and obstruct visibility
- C Strike emergency exits
- D Cause a leak or spill if the package is damaged
- A In a designated truck stop
- B Within 300 feet of a tunnel, bridge, or building used by the public, except for short rest stops
- C In any rest area
- D On a public street within 5 feet of the road
- A Protect yourself and isolate the area
- B Contain the spill
- C Call your dispatcher only
- D Check the load for leaks first
- A Must be operated by the receiver
- B May only be used after 6 p.m.
- C Are unrestricted
- D Must meet special standards or be turned off
- A A separate license
- B No special endorsement
- C A medical card only
- D A Hazmat (H) endorsement on their CDL
- A Driver's name
- B Price only
- C Color of packaging
- D Proper shipping name, hazard class, ID number, and required emergency information
- A Be driven to the destination
- B Be left where it is, the area isolated, and the carrier and emergency services notified
- C Be unloaded by the driver alone
- D Be moved to a remote area immediately
- A All of the above
- B Before leaving the loading site
- C During the trip if you stop
- D In an emergency
- A Loaded only by the receiver
- B Inspected once a year only
- C Loaded only at night
- D Bonded and grounded during loading and unloading
- A Park near an open flame
- B Park near a fire
- C All of the above
- D Park within 5 feet of a road
- A All of the above
- B No smoking within 25 feet
- C Engine must be off
- D The driver must be at the fueling control
- A Refer to 49 CFR Parts 100-185 (HMR)
- B Refer to the ERG
- C All of the above
- D Contact the carrier safety officer
- A Only liquids
- B Any quantity of any hazardous material
- C Bulk quantities or any amount of certain Table 1 materials
- D Only at night
- A Drive only between 8 a.m. and 6 p.m.
- B Have written instructions on what to do in case of accident or delay
- C Travel with a state escort
- D Avoid Class A highways only
- A Two
- B One
- C Six
- D Four (one on each side and one on each end)
- A The state DMV
- B The shipper
- C The carrier and the driver
- D The receiver
- A Drive at night only
- B Avoid weigh stations
- C Have a written route plan if required by the shipper or by federal/state rules
- D Take the most direct route regardless of restrictions
- A Painted any color
- B Marked with the proper shipping name, ID number, and required labels
- C Stored only at night
- D Made of glass only
- A Routes prohibited for hazmat
- B All of the above
- C Driving over a railroad-highway grade crossing without stopping (most placarded loads)
- D Tunnels marked as prohibited for hazmat
- A Drive to the destination quickly
- B Continue and report at the next stop
- C Stop, isolate the area, notify emergency services and the carrier
- D Open the container to inspect
- A When the brakes feel different
- B Only at the destination
- C Only at the start of the trip
- D At each stop
- A A motel near the route
- B A weigh station
- C An area approved by federal, state, or local authorities for parking unattended hazmat vehicles
- D Any 24-hour gas station
- A A logbook
- B An expired permit or shipper certification missing
- C A medical card
- D Cargo securement straps
- A Wait for an inspector
- B Only sign and drive
- C Verify markings, labels, placards, papers, and securement before signing for it
- D Trust the shipper without checking
Study tips for the Kentucky Hazardous Materials exam
The Hazardous Materials portion of the Kentucky CDL exam is graded out of the bank of questions the Kentucky Transportation Cabinet draws from each year. While the exact bank is not published, every question is sourced from the Hazardous Materials chapter of the Kentucky CDL handbook, which itself is derived from the FMCSA Model Commercial Driver's License Manual. That means studying our practice tests, reading the corresponding handbook chapter, and re-reading the parts you got wrong is genuinely the most efficient route to a first-time pass.
Most successful applicants follow a simple cycle: take the practice test cold, write down every question you missed, open the matching chapter of the official Kentucky handbook, re-read the section that contains the right answer, then re-take the practice test 24 to 48 hours later. The 24-hour delay matters — sleep is when your brain commits new information to long-term memory, and CDL knowledge questions reward that kind of consolidated learning rather than cramming.
Pay particular attention to questions that include qualifier words like always, never, only, primary, or most. CDL test writers love to flip the right answer with a single qualifier. When two answer choices look almost identical, pay attention to the verb (is it must, should, or may?) and to any numbers (14 days, 100 air miles, 8 hours, 70/8 split). On endorsement tests in particular, watch for trick framing where a true statement about a different endorsement is offered as the "correct" answer to a question that is actually about Hazardous Materials.
Test-day logistics matter too. Bring photo ID, your Social Security card or birth certificate, your medical examiner's certificate (DOT card), and proof of state residency if you haven't already submitted those documents. The Kentucky Transportation Cabinet will not let you sit for the knowledge exam without your documentation, and most offices charge an additional fee for re-attempts. Arrive early — the wait at most CDL testing offices runs 30 to 60 minutes — and silence your phone before the exam begins.
Finally, keep your General Knowledge fundamentals sharp even when you're focused on the Hazardous Materials exam. Many states administer multiple knowledge tests in a single sitting, and questions on weight definitions (GVWR, GCWR, GAWR), stopping distance, and the pre-trip inspection routine show up across endorsements. If you're unsure on the basics, sit a fresh Kentucky General Knowledge practice test before scheduling the real exam.
Next steps
Missed more than four questions? Re-read the Hazardous Materials study guide and the matching chapter in the official Kentucky CDL handbook. Then come back and re-take the test. Once you can score 22 of 25 or higher on three runs in a row, you're in good shape to schedule the real exam at your local Kentucky Transportation Cabinet office.
Already comfortable with this endorsement? Drill another: KY General Knowledge · KY Air Brakes · KY Combination Vehicles · KY Passenger · KY School Bus · KY Tank Vehicle · KY Doubles / Triples
New to the CDL process in Kentucky? Read How to apply for a CDL in Kentucky for the document checklist and step-by-step timeline.