1. A minor road or country road that is not a main highway; a less-traveled route
We took the backroad to avoid traffic on the highway.
Pegamos a estrada secundária para evitar o trânsito na rodovia.
2. A rural or remote road, often used for local travel
The backroads through the countryside are scenic but poorly maintained.
As estradas secundárias pelo interior são cênicas mas mal conservadas.