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Washington CDL HazMat & Cargo Practice Test

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

What this Washington 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 Washington DOL knowledge test has 40 questions, and you need at least 32 correct (80%) to pass. This practice test is based on the Washington Driver Guide. The test fee is $35. Tests are administered Computer-based or paper test at DOL office or authorized testing location.

Try sample Washington questions

These questions come from our bank of 260+ CDL questions. The real Washington CDL knowledge test draws from similar material in the official CDL manual.

3 free preview of 25
1

When loading a hazmat tanker, what is the maximum outage (empty space) rule for most liquid loads?

2

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

3

What shape are hazardous materials placards?

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