Skip to content

General Knowledge · Seeing Hazards

Beyond simply noticing a hazard, what should a CDL driver do with that information according to defensive-driving practice?

1.Think through what emergency could develop and decide in advance what to do, rather than waiting to reactCorrect answer
2.Report every single observed hazard directly to dispatch before continuing on with the remainder of the trip
3.Maintain the current speed and lane position without change until the hazard eventually resolves on its own somehow
4.Sound the horn loudly and continuously and repeatedly until the hazard is no longer visible anywhere nearby

Explanation

Spotting a hazard is only useful if the driver also thinks ahead: considering what emergency could result and deciding on a response in advance means the driver can act immediately and deliberately if the hazard develops, instead of reacting suddenly under pressure. Recognizing hazards early enough to plan for them is part of the required knowledge CDL applicants must have under 49 CFR 383.111(a)(13), but that paragraph only names "hazard perception" and "clues for recognition of hazards" as a required knowledge topic; it does not itself describe this plan-ahead practice, which is standard driver-training content rather than a codified federal rule. The other options fail for a shared reason: each substitutes a passive or unrelated action, reporting to dispatch, waiting it out, or a continuous horn, for the actual defensive response of anticipating and planning.

Source: 49 CFR 383.111(a)(13)

Drill Seeing Hazards questions