3 ms·
It's also useful if you want to drive in almost any other part of the world. the entire traffic light system in most of europe (my only anecdotal example) is de
by astronautjones 8y ago
It's also useful if you want to drive in almost any other part of the world. the entire traffic light system in most of europe (my only anecdotal example) is designed to show you the pre-green yellow to get ready for the green