1. A path, road, or course of travel that is traveled on rarely or occasionally
The hikers decided to take an infrequently-used route through the forest.
Os caminhantes decidiram seguir uma rota pouco utilizada pela floresta.
2. A transportation path that has low traffic volume or minimal usage
The bus company eliminated service on the infrequently-used route.
A empresa de ônibus eliminou o serviço na rota pouco utilizada.