Answer :
Final answer:
Programmable highway signs primarily help maintain safety by providing instructions to avoid danger. They offer real-time information on traffic conditions, speed limits, and weather warnings. This functionality is essential for effective traffic management and driver awareness.
Explanation:
Importance of Programmable Signs
Programmable highway signs play a crucial role in maintaining safety and efficient traffic management. Among the options given, the most accurate statement is: "Programmable highway signs help people because they give instructions on how to stay away from danger." These signs are designed to convey real-time information to drivers, such as traffic conditions, upcoming road hazards, or emergency alerts, aiding in decision-making on the road.
Examples of Programmable Signs
- Traffic advisories: Signs can display messages about traffic jams or accidents ahead, prompting drivers to find alternate routes.
- Speed limits: They can adaptively show reduced speed limits in areas of poor visibility or dangerous conditions.
- Weather warnings: These signs can alert drivers to icy conditions or severe weather, enhancing safety.
While programmable signs may also support job creation or contribute to aesthetics, their primary purpose is to ensure the safety of drivers by providing critical information about potential dangers.
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