1. A travel path or course that experiences heavy traffic, frequent activity, or constant movement of people or vehicles
The highway is a busy route during rush hour.
A rodovia é uma rota movimentada durante a hora do rush.
2. A flight path, shipping lane, or commercial route with frequent departures and arrivals
The airline operates several busy routes between major cities.
A companhia aérea opera várias rotas movimentadas entre as grandes cidades.
3. A well-traveled path or itinerary that is frequently used by many people
The tourist route through the old city is very busy.
A rota turística através da cidade antiga é muito movimentada.