1. A road, street, or route that is free from traffic congestion or blockage
The police directed drivers via a descongestinada to avoid the main highway accident.
A polícia direcionou os motoristas por uma via descongestinada para evitar o acidente na rodovia principal.
2. A traffic route with smooth, unimpeded flow of vehicles
We took the via descongestinada through the countryside instead of the city center.
Seguimos pela via descongestinada através da zona rural em vez do centro da cidade.