Définitions
1.NounA form of motorcycle racing on flat (without camber) oval dirt tracks using motorcycles with neither brakes nor gears.
2.NounA form of bicycle racing on flat (non-banked) oval dirt tracks.
3.NounA racetrack venue designated especially for the sport of auto racing.
4.NounA positive-camber banked oval racing circuit, designed for high speed cornering, racing anywhere on the length of the track.
A size of paved banked oval racetrack, smaller than superspeedways, but larger than a mile.
5.NounA size of paved banked oval racetrack, smaller than superspeedways, but larger than a mile.
6.NounA road for high speed traffic; an expressway.