It could cause two cars originally back-to-back to be separated far apart
It could also make two cars originally far apart to be lined up back-to-back
Wrong place wrong time
You would end up losing a lot of ground to a person just ahead of you
Right place right time
You could catch up somebody who should be far ahead of you
When the red light shows
You missed your opportunity
When the green light shows
Everybody starts at the same starting point together again
