Originally Posted by I Miss Manzy:
It is the surface upon which racers and fans travel to get to a racetrack! 
Now if I remember correctly, there was this raceway sign on the way out to that race track. "Where the pavement ends the the West begins!" The next year we made a trip to that track to take a photo of that sign!
It was not there any longer, it must had been removed by a pavement fan!.
Joe