1. A road, street, or highway that experiences heavy vehicular traffic, especially during peak hours
The main avenue is a high-traffic road during rush hour.
A avenida principal é uma via de trânsito intenso durante a hora do rush.
2. A thoroughfare designated or characterized by significant and continuous flow of vehicles
We avoided the high-traffic road and took a side street instead.
Evitamos a via de trânsito intenso e pegamos uma rua lateral.