30 questions per attempt
You must answer at least 24 of 30 correctly to score 80% or higher and pass the practice test.

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Separate ELDT activity for eligible customers who purchase qualifying CDL preparation services.
Proficiency-based completion.
HazMat knowledge study requires careful reading of the facts in each question. Organize your review around the material being transported, the information a driver must recognize and the action called for in the situation.
Keep a short review sheet for unfamiliar terms and subject areas. After a missed question, return to the relevant handbook explanation and describe the rule in your own words. Recognizing a familiar answer is less useful than understanding why it applies.
Review Section 9 of the Texas Commercial Motor Vehicle Drivers Handbook. Use the handbook to understand the material before practicing questions.
Open handbook sections for this topic (0.8 MB) ↗
Open the complete Texas CDL handbook ↗ · Texas DPS handbook source ↗
You must answer at least 24 of 30 correctly to score 80% or higher and pass the practice test.
Each new attempt selects 30 questions from this bank and shuffles the answer choices. Questions may repeat across attempts.
Choose any topic with active access. Repeat this topic as often as you like during its 30-day access window, whether you pass or need more practice. Passing does not move you automatically to another topic.
Aim for 95% or higher four to five consecutive times on this topic. The practice tracker marks the goal complete after five consecutive qualifying attempts. A score below 95% resets this topic’s streak. An 80% score passes an attempt, but does not meet the 95% readiness goal. This is our practice benchmark and does not guarantee the official Texas DPS test result.
$104 standard, or $100 with an eligible alternative payment, for 30 days of HazMat practice. Choose topics, add them to your cart, then register or sign in before payment. Each topic’s access window starts when its payment is confirmed.
Online registration and payment are being connected. You can save and review your selections; call (469) 332-7188 for help completing registration and payment.
The Texas HazMat endorsement process includes separate official requirements. Use our HazMat information page to locate the DPS guidance for application, applicable ELDT and TSA clearance. This practice purchase is not ELDT theory certification, a TSA assessment or a DPS examination.
Texas HazMat endorsement information · Tanker practice preparation
Review practice selections and prices or ask about your next CDL step.
Explore the main CLP knowledge tests and endorsements
These are preparation resources. Texas DPS administers the official knowledge tests and determines licensing requirements. CLP preparation is separate from applicable FMCSA ELDT requirements.