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- Entry Level Driver Training Hazard Perception Questions and Answers Flashcards

6 cards from real ELDT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What is the 'see-think-act' concept in hazard perception for CDL drivers?

    Answer: A systematic approach to identifying hazards, evaluating risk, and taking appropriate action

    See-think-act is a systematic hazard management approach: see the hazard, think about the risk it presents, and act to avoid or minimize the danger.

  2. When scanning the road ahead, how far ahead should a CMV driver look in a highway driving environment?

    Answer: At least 12 to 15 seconds ahead

    CMV drivers should scan at least 12 to 15 seconds ahead on highways, which equates to about a quarter mile at highway speeds, to provide adequate time to identify and respond to hazards.

  3. What is a 'stale green light' and why is it a hazard?

    Answer: A green light that has been green for a while and may change to yellow soon

    A stale green light is one that has been green for an unknown amount of time and may be about to change. CMV drivers should prepare to stop because they cannot stop as quickly as smaller vehicles.

  4. Why are railroad crossings particularly dangerous for CMV drivers?

    Answer: Trains always have the right of way and CMVs have long stopping distances

    Trains always have the right of way, cannot stop quickly, and CMVs need significantly more time and distance to clear crossings due to their length and slower acceleration.

  5. What should you look for when approaching a curve as a hazard perception practice?

    Answer: Road surface conditions, banking, advisory speed signs, and potential oncoming traffic

    When approaching a curve, scan for road surface conditions, the degree of banking, advisory speed signs, sight distance limitations, and the potential for oncoming traffic crossing the center line.

  6. What is the 'Smith System' for defensive driving?

    Answer: Five principles for safe space management and hazard avoidance

    The Smith System consists of five defensive driving principles: aim high in steering, get the big picture, keep your eyes moving, leave yourself an out, and make sure they see you.

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Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. ecfr.gov — Passing score, registration deadline · verified Oct 2026
  2. fmcsa.dot.gov — Eligibility · verified Oct 2026