2 1 introduction the sub issue on development of trunk routes between argentina and brazil chile is essential to support industrial trade promotion in which require more concerted efforts mercosur member countries order materialize best results economic integration southern south america present study assesses requirements for transport infrastructure improvements better services analyses various issues associated with will realize trans continental corridors connecting along them oceans both atlantic pacific they open up new opportunities regions those refers experiences coordinated systems european union has devised common policy eased cross border controls promoted cabotage operations developed land networks be good precedents prepare chapter deals an connection presently traffic volume argentine still small but steadily increasing although