Ace the Texas CDL General Knowledge Exam 2025 – Drive Your Future to Success!

Question: 1 / 400

What does a red flag indicate on the road?

A speed limit change

A hazard or obstruction

A red flag on the road is used to indicate a hazard or obstruction that requires drivers to use caution. This visual warning alerts drivers that there may be a potential danger ahead, such as debris on the roadway, an accident site, or another unexpected situation that could make driving unsafe.

Using a red flag in this context is a universal signal that prompts drivers to be vigilant, slow down, and prepare to react to an unforeseen event. It's crucial for maintaining safety on the road, as it communicates the need for increased awareness and careful navigation in the vicinity of the flagged area. Other options, such as speed limit changes, construction zones, or emergency vehicles, utilize different signs or signals, making the red flag specifically associated with hazards or obstructions.

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A construction zone

An emergency vehicle

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