All examsCDLFoundation path
View coverage
RECALL, THEN CHECK

CDL Flashcards & Study Review

Read 12 sample cards from the 40-card CDL General Knowledge foundation collection. Try recalling each answer before checking the explanation.

Version 2026-10-27 · Original foundation materials · No sign-up

What this collection covers

Core commercial-driving general knowledge; using an official state manual for common principles, not every state requirement or endorsement.

The cards preview selected ideas; they do not measure readiness for the whole examination. Your personal review schedule is available in the review tool.

Author-reviewed learning materials. Independent educator review is pending; question difficulty has not been calibrated with learner results. Check coverage and gaps before planning your preparation.

Sample flashcards, with answers

CARD 01 · Vehicle inspection

In the situation “A driver changes the walk-around order every morning.”, what rule controls the decision?

Answer & explanation

Use a consistent inspection sequence so important components are not omitted.

Learn: Use an inspection sequence and resolve defects
CARD 02 · Basic control

In the situation “A delivery site offers a safe pull-through route.”, what rule controls the decision?

Answer & explanation

Avoid backing where a practical forward route exists because rear visibility is limited.

Learn: Plan a visible, controlled backing maneuver
CARD 03 · Safe driving

In the situation “A driver watches only the trailer immediately ahead.”, what rule controls the decision?

Answer & explanation

Look at least 12 to 15 seconds ahead while shifting attention between near and distant conditions.

Learn: Observe early and preserve a following cushion
CARD 05 · Driver responsibility

In the situation “A driver repeatedly yawns and misses signs.”, what rule controls the decision?

Answer & explanation

Stop and obtain adequate rest when fatigued; tricks do not replace sleep.

Learn: Manage alertness, impairment, and conflict
CARD 06 · Vehicle inspection

In the situation “Rust streaks extend from wheel nuts during a walk-around.”, what rule controls the decision?

Answer & explanation

Rust streaks around wheel nuts can indicate looseness and require checking tightness.

Learn: Check the systems that make the trip safe
CARD 07 · Basic control

In the situation “A loaded truck approaches the top of a steep downgrade.”, what rule controls the decision?

Answer & explanation

Select the proper low gear before descending a steep grade.

Learn: Prepare power, gear, and curve entry
CARD 08 · Safe driving

In the situation “A truck enters a dark road with a short illuminated view.”, what rule controls the decision?

Answer & explanation

Select a speed that permits stopping within the visible distance ahead.

Learn: Match speed to visibility and surface grip
CARD 09 · Cargo

In the situation “Loose freight can slide toward a trailer door.”, what rule controls the decision?

Answer & explanation

Restrain cargo against movement so it cannot shift, fall, or create loss of control.

Learn: Restrain cargo and recheck it during travel
CARD 10 · Driver responsibility

In the situation “Smoke and fire are suspected in the engine compartment.”, what rule controls the decision?

Answer & explanation

For an engine fire, stop safely and shut off the engine before appropriate fire response.

Learn: Respond to breakdowns and verify the licensing path
CARD 11 · Safe driving

In the situation “A commercial vehicle enters a fog bank.”, what rule controls the decision?

Answer & explanation

Use low beams in fog and avoid speed that exceeds the available view.

Learn: Anticipate fog, darkness, and crosswind
CARD 12 · Safe driving

In the situation “A small car may be beside the trailer.”, what rule controls the decision?

Answer & explanation

Before changing lanes, check traffic and blind areas using the appropriate mirrors and observation.

Learn: Keep an escape option and stabilize emergencies

Use the cards as a recall routine

  1. Read the prompt and explain your answer before looking below it.
  2. Compare your reasoning with the saved answer, then revisit the linked lesson if a distinction is unclear.
  3. Use the spaced-review tool to schedule another attempt; its personal state stays in your browser.

Sources and preparation route

These prompts and explanations are the site's original learning materials. The reference links below support the selected skills; they are not endorsements or official examination questions.