Final answer:
Traffic laws usually state that speed limit signs should be visible for at least 200 feet in areas where the speed limit is less than 25 mph, which is critical for road safety and compliance.
Step-by-step explanation:
The question pertains to traffic laws, specifically the visibility requirements for speed limit signs in areas where the limit is less than 25 mph. According to most standard traffic regulations, speed limit signs should be visible for a certain distance to allow drivers adequate time to see the sign and adjust their speed accordingly. While these requirements can vary by jurisdiction, a common standard is that speed limit signs should be visible for at least 200 feet in both directions, making option B the correct answer. This ensures road safety and compliance with speed limits.