Answer :
Final answer:
Streetwork signs are mostly diamond-shaped, which serve as warnings to drivers about potential hazards ahead.
Explanation:
Most signs used in street work areas are diamond-shaped. This shape is generally used for warning signs, which are designed to caution drivers about upcoming hazards, changes in traffic flow, or road conditions. In contrast, round signs are often used for railroad warning signs, and rectangle-shaped signs typically indicate regulatory information such as speed limits or parking regulations. Understanding the meaning of these shapes is important for safe driving and navigation on the roads.
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