Practice Quiz

Commercial Driver's License

Category - Standard Driving

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Concerning railroad crossing gates, warning lights, and signals, commercial drivers should:
  1. Always trust these devices, as they are foolproof.
  2. Never rely completely on these devices.
  3. Do what other drivers are doing, including going around closed gates if it looks safe to do so.
  4. Speed up regardless of signals if the driver can beat the train.
Explanation
Answer: B - When approaching a railroad crossing with safety devices such as warning light, bells, and safety gates, commercial drivers should never assume that these devices are working properly. This means that commercial drivers must still look and listen carefully before crossing the tracks. Never assume that mechanical devices cannot fail. They do!
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