Washington Pre-Trip Inspection Practice Test
The knowledge behind the walk-around: what to inspect, in what order, and what 'good' looks like for each component — steering, suspension, brakes, tires, coupling, lights, and the in-cab checks. It shows up twice in licensing: as written questions on the knowledge tests, and as the spoken vehicle-inspection portion of the skills test where you walk the examiner around the truck and narrate every check. Studying it as a memorized script fails people; studying it as what-can-kill-you-and-how-to-spot-it passes them.
Who needs it: Every applicant — written questions now, and the spoken inspection exam at the skills test later.
Sample practice questions
Required reflective conspicuity tape on trailers is what color?
Answer: Red and white — Red-and-white tape along the sides and rear.
How much free play should a slack adjuster have when pulled by hand?
Answer: No more than about 1 inch — More than ~1 inch means the brakes are out of adjustment.
You crank the slack adjuster by hand and it moves about 2 inches. What does this tell you?
Answer: The brakes are out of adjustment (too much free play) — More than about 1 inch of free play means out-of-adjustment brakes.
Common mistakes on the Pre-Trip test
- Memorizing a script without knowing WHY each item matters — examiners probe with follow-ups
- Skipping the in-cab portion (gauges, warning lights, brake checks) because the walk-around gets all the attention
- Not using the exact condition language — 'securely mounted, not cracked, not leaking' is the standard the examiner scores
- Practicing only from pictures — the spoken exam expects you to point at real components in order
Studying with the full Truckcess course does double duty: the theory counts toward the federal ELDT requirement (Truckcess is listed on the FMCSA Training Provider Registry).
Official source: Washington State Department of Licensing
CDL licensing in Washington is administered by the Washington State Department of Licensing. Fees, scheduling, forms, and the official Washington CDL manual live on the official site: Washington DOL — official CDL page (verified 2026-08-09).
Truckcess is not affiliated with or endorsed by the Washington State Department of Licensing. Our practice tests cover the federal CDL knowledge standards (49 CFR Part 383) that every state exam is built on; exact question counts, fees, and procedures vary by state and change over time — the official site is always the authority.
More Washington practice tests
Full prep courses are one-time from $59 with 12 months of access — mytruckcess.com/cdl.
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