This is precisely why cheap headphones aren't the best idea for listening in traffic--they result in you turning the volume even louder to overcome the already loud sounds of your external environment. Good phones don't require you to turn the volume up nearly as much because they're already cutting out a lot of background noise.
Man, you seriously don't get it. You will after the car flattens you, if you happen to survive, but you won't, so never mind.
And the rest of you don't know what you're talking about either. So why do you even start these idiotic threads? Wait, why am I posting here? Oh that's right, to inflate my post count.