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 corgo river trip pavement line modern journey landmark building structure view europe horizontal urban vehicle way transport architecture bridge transportation day drive auto automobile car concept connection construction travel cable suspension crossing steel engineering detail sky clouds vertical a4 motorway asphalt auto background blue car cars cloudy sky day drive fast forest highway horizontal journey landscape line modern mountain move movement nature outdoor porto portugal road route scenic space speed surroundings tourism traffic transmontana transport transportation travel truck vehicle view real