image of section of the a4 motorway, transmontana motorway, porto, vila real, portugal.

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 architecture transportation day drive auto automobile car concept construction travel crossing detail sky clouds background blue cars cloudy landscape mountain move movement nature outdoor porto route scenic space speed surroundings tourism traffic section signage boards sign text box douro litoral coastline passenger signals symbol motoring signs cityscape a4 motorway alijo asphalt auto background blue car cars sky day drive europe fast highway ic5 journey landscape line miranda douro mountain move movement nature outdoor portugal road route scenic sign speed surroundings tourism traffic transmontana transport transportation travel truck van vehicle view real