blue information board for fees payable on the a4 motorway for different vehicle categories.

highway asphalt infrastructure portugal vila real tras montes transmontana motorway road roadway trip pavement line journey landmark building structure view europe horizontal urban vehicle way transport transportation day drive auto automobile car concept travel crossing detail sky cars cloudy landscape mountain move movement outdoor route scenic space speed surroundings tourism section signage boards sign text box douro litoral coastline passenger signals symbol motoring signs cityscape fast background blue forest modern nature springtime van motorway a4 blue boards vehicle sign passenger signals portugal real goods euro money fast trip fees tax europe day symbol movement move truck motoring route auto road highway car transportation sky transport asphalt travel speed drive way view outdoor signs