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Texas CDL HazMat & Cargo Practice Test

Practice 25 CDL questions on hazardous materials handling, cargo securement, and combination vehicle operation for the Texas CDL exam.

What this Texas practice test covers

  • Hazardous materials placarding, labeling, and shipping paper requirements
  • Proper loading and securement of general freight and specialized cargo
  • Combination vehicle coupling and uncoupling step-by-step procedures
  • Weight limits, bridge formulas, and axle weight distribution

The actual Texas DPS knowledge test has 30 questions, and you need at least 21 correct (70%) to pass. This practice test is based on the Texas Driver Handbook. The test fee is $16. Tests are administered Computer-based at DPS office or online through approved driver education course. Online testing is available in Texas.

Try sample Texas questions

These questions come from our bank of 432+ CDL questions. The real Texas CDL knowledge test draws from similar material in the official CDL manual.

3 free preview of 25
1

Within how many miles of starting a trip must a CDL driver inspect their cargo and securement devices?

2

What is the federal maximum gross vehicle weight for a commercial motor vehicle on interstate highways?

3

What is a trailer hand valve (trolley valve) used for?

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Texas CDL HazMat & Cargo Practice Test (2026) | DMV IQ