aerial view of the interchange of sam houston tollway state route 8 and interstate 45 in harris county texas

intercontinental infrastructure transportation environmental construction interchange development interstate metropolis cloverleaf commercial transport racetrack emergency pollution cityscape buildings spaghetti crossroad undefined overpass multiple aircraft building downtown business entrance concrete district elevated houston tollway airport highway freeway stadium traffic skyline parking greater aerial harris county george bridge office issues sprawl estate infill state route texas point truck urban view bush road lane real park ramp east area sam usa iah car lot suburb arena