A7 is a motorway (freeway) in Portugal. It connects Póvoa de Varzim to Vila Pouca de Aguiar, its main purpose was to give a fast access to the shoreline by inland cities, such as Guimarães and Vila Nova de Famalicão, thus a toll is applied.
Map of A7, Portugal
References
A7 motorway (Portugal) Wikipedia(Text) CC BY-SA