county road
The Spanish term 'carretera comarcal' refers to what English speakers would commonly refer to as a 'county road'. This phrase is typically used to indicate a road or highway maintained at the local or county level, rather than a major freeway or interstate which is normally maintained by the national or state/provincial government.
We're going to drive on a country road this weekend.
This sentence is implying that someone plans to drive on a regional or country road during the upcoming weekend.
The country road is full of potholes, I recommend you drive carefully.
It indicates a suggestion given by someone about driving carefully on a regional road because it is full of potholes which may possibly damage the vehicle or cause accidents.
The beauty of the country road is unmatched.
This expression emphasizes the extraordinary beauty of a regional or country road, likely referring to scenic views, open spaces, or winding paths.