Virginia Hazardous Materials CDL Practice Test
Below are 25 exam-style questions for the Virginia Hazardous Materials CDL knowledge test, modeled on the FMCSA-aligned content used by the Virginia Department of Motor Vehicles. 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 At the start of each trip and each time they stop
- B Never; tires are the carrier's responsibility
- C Once a week
- D Only at the start and end
- A A barcode only
- B A state two-letter code
- C UN or NA followed by four digits
- D A serial number
- A Reduce fuel use
- B Communicate the risk, contain the materials, and protect the public
- C Provide tax revenue
- D Help drivers move faster
- A Carried in the cab and used by responders to look up immediate response information for hazmat
- B Carried in the trailer
- C Mailed to the receiver
- D Only required for explosives
- A Are unrestricted
- B Must be operated by the receiver
- C Must meet special standards or be turned off
- D May only be used after 6 p.m.
- A Drive only between 8 a.m. and 6 p.m.
- B Travel with a state escort
- C Avoid Class A highways only
- D Have written instructions on what to do in case of accident or delay
- A Try to put it out with water
- B Drive the vehicle to a safe place
- C Stay upwind, evacuate the area, and let trained responders handle it
- D Open the cargo doors to ventilate
- A Only when a train is approaching
- B Only at night
- C Within 50 feet of the crossing
- D Between 15 and 50 feet from the nearest rail
- A An expired permit or shipper certification missing
- B A logbook
- C Cargo securement straps
- D A medical card
- A Properly placarded trailer
- B Vehicle without working brake lights or in unsafe condition
- C Vehicle in compliance with HMR
- D Truck designed for the specific class
- A Heavily populated areas where possible
- B Routes specifically prohibited by state or local rules
- C All of the above
- D Tunnels not authorized for explosives
- A Any 24-hour gas station
- B A motel near the route
- C A weigh station
- D An area approved by federal, state, or local authorities for parking unattended hazmat vehicles
- A The driver must be at the fueling control
- B Engine must be off
- C All of the above
- D No smoking within 25 feet
- A Driving over a railroad-highway grade crossing without stopping (most placarded loads)
- B Routes prohibited for hazmat
- C Tunnels marked as prohibited for hazmat
- D All of the above
- A Never
- B Only on Class 1 explosives
- C Any single placard
- D Two or more separate placards on a load that contains different hazard classes (Table 2 materials only)
- A All of the above
- B Notify the carrier immediately
- C Provide the responding officers with the shipping papers and ERG
- D Notify the National Response Center if the load is leaking or hazmat-related
- A Always keep them together
- B Cover the explosives with the liquids
- C Load them in the same compartment
- D Check the segregation table — many combinations are forbidden
- A Mailed to the destination
- B Within reach of the driver while seated and within reach when the driver is out of the cab
- C Stored in the trailer
- D Filed in the cab's glove box
- A On a public street within 5 feet of the road
- B In any rest area
- C In a designated truck stop
- D Within 300 feet of a tunnel, bridge, or building used by the public, except for short rest stops
- A Cardboard boxes only
- B A pallet
- C One that has more than 119 gallons capacity (liquids) or more than 882 lbs (solids)
- D Any package over 1 lb
- A Cargo tank vehicles only
- B All hazmat materials
- C Class 1 explosives, to determine which can be loaded together
- D Drivers, not cargo
- A Once per year by federal officials
- B When the tank is full
- C Annually only
- D Before each trip and at every stop
- A Only sign and drive
- B Wait for an inspector
- C Verify markings, labels, placards, papers, and securement before signing for it
- D Trust the shipper without checking
- A 25 feet
- B 10 feet
- C 50 feet
- D 100 feet
- A No — mix them in with other paperwork
- B Only if the receiver requests it
- C Only on long trips
- D Yes — they should be readily identifiable for emergency responders
Study tips for the Virginia Hazardous Materials exam
The Hazardous Materials portion of the Virginia CDL exam is graded out of the bank of questions the Virginia Department of Motor Vehicles draws from each year. While the exact bank is not published, every question is sourced from the Hazardous Materials chapter of the Virginia 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 Virginia 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 Virginia Department of Motor Vehicles 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 Virginia 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 Virginia 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 Virginia Department of Motor Vehicles office.
Already comfortable with this endorsement? Drill another: VA General Knowledge · VA Air Brakes · VA Combination Vehicles · VA Passenger · VA School Bus · VA Tank Vehicle · VA Doubles / Triples
New to the CDL process in Virginia? Read How to apply for a CDL in Virginia for the document checklist and step-by-step timeline.