Question

school speed limit 20 when flashing

What does this sign mean?

All choices are correct

The school zone speed limit is 20 mph.

The posted speed is in effect when the yellow lights are not flashing.

Watch out for slow-moving vehicles.

Answer 1

[AI-generated answer — Bot GPT 3.5]

There is a school nearby and the speed limit in the school zone is 20 miles per hour. The posted speed limit is in effect when the yellow lights on the sign are not flashing. It is also a reminder for drivers to be cautious and watch out for slow-moving vehicles, such as children walking or riding bicycles.