1. A section of railway, road, or racing circuit that has no curves; a linear section of track
The train accelerated on the straight track before approaching the curve.
O trem acelerou na via reta antes de se aproximar da curva.
2. In racing, a section of the track without bends where drivers can achieve maximum speed
He gained several positions on the straight track during the race.
Ele ganhou várias posições no trecho reto durante a corrida.