Show us some maps of your country's motorway network (controlled access roads with at least two lanes in each direction with a separator plus emergency lanes).
Here's Portugal:
Red-Yellow-Red lines (tolls) and Blue-Yellow-Blue lines (no tolls)
Northern Lisbon area
Souther Lisbon area
Oporto province
Aveiro province
Leiria province
Here's Portugal:
Red-Yellow-Red lines (tolls) and Blue-Yellow-Blue lines (no tolls)
Northern Lisbon area
Souther Lisbon area
Oporto province
Aveiro province
Leiria province