Final answer:
The reduced speed limit in a school zone with flashing yellow lights is typically around 20 mph to 25 mph, and observing local traffic signs is crucial for compliance and safety.
Step-by-step explanation:
When approaching a school zone with flashing yellow lights, it's important to adhere to the reduced speed limit in effect to ensure the safety of all pedestrians, especially children. The specified speed limits can vary by location, but common reduced speeds are around 20 mph to 25 mph. It is essential for drivers to observe local traffic signs and signals, as these will provide the exact speed limit required in that particular school zone. Failing to comply with these limits not only endangers others but can also result in traffic violations and fines.