1. A road, path, or course that experiences significant volume of vehicular or pedestrian traffic
The highway is a heavily-trafficked route during rush hour.
A rodovia é uma rota muito movimentada durante a hora do rush.
2. A frequently used passage or thoroughfare with high congestion
Commuters avoid the heavily-trafficked route on weekday mornings.
Os passageiros evitam a rota muito movimentada nas manhãs dos dias de semana.