This is a statistic, you may not be the one driving, but most likely you will encounter some type of situation of near-crash in your lifetime. The difference between life or death will most likely be within a fraction of a second. Here's how to improve your reaction time for that potential moment.
Reaction time tester. Hyperventilate and you will react faster. Meaning, start breathing in and outside of your nose and double the speed of your regular breathing. You don't have to thank me, it's via my philosophy that I'm obligated to help whenever possible. Not doing it for you, I'm doing it because that's what my philosophy tells me to do. I could care less if you live or die, my philosophy is a little more on the empathetic side.