actually it can vector. a couple of reasons:
1. if you live close to a track, then you get 60ft tiems and 1/4 with trapspeed
2. you are going to be racing at the track, what better place to find out if you have improved than the track you would be racing at?
but yeah, its great to see if you have improved without going to the track. either way, you get results. oh yeah, its safer and legal to drive fast at the track, but you know you cant do that on the street legally! well dont get caught concept is what you have to worry about.
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