Since 1999 , the largest conduction work ever , the terceira perimetral ( third perimetral ) has been done troughout de city . it has 12 km long , connecting the north and the south of the city 因其战略性位置(它是巴西最南的大城市) ,阿雷格里港对游人和商人(特别是来自南锥共同市场的国家的人)来说,是南美的重要驿站。