Answer :
Final answer:
Diamond-shaped, orange signs with black letters or symbols warning about road work or people working on or near highways are known as Warning signs. They alert drivers to potential hazards due to road construction or maintenance activity.
Explanation:
The type of signs that are diamond-shaped, orange, display black letter or symbols, and serve as a warning that people are working on or near the highway are Warning signs. These signs are designed to catch a driver's attention and alert them about potential hazards due to construction or maintenance work happening near or on the pathway. These signs often display symbols like worker's figures or tools to signify nearby work. They function to increase driver vigilance and promote safety on roads by warning of possible decreases in normal driving conditions.
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