Why is red the color to stop in traffic signs?
user
The color is red to help stop accidents.  Red is a color that is hard for people to miss, which can make it safer.
assistant
That makes sense. And green?
user
Green is the color for go, because the color makes it easy for people to see.
assistant
Why is red the color to stop in traffic signs?
user
The color is red to help stop accidents.  Red is a color that is hard for people to miss, which can make it safer.
assistant
That makes sense. And green?
user
Green is a color that is easy for people to miss, but helps drivers know that a turn is coming.  So green is used on traffic signs and lights for areas where drivers may turn, and to avoid causing confusion.
assistant
Why is red the color to stop in traffic signs?