The new route will boost trade and transport between the two countries and financial support is likely from several local and international sources. When it opens to traffic the new tunnel will provide a more dependable transport link between the countries than is currently available in the area. One existing tunnel is at a high altitude and its portals can be blocked during winter. The other route is a high mountain pass that is not suited to use by heavy traffic and is even more likely to be impassable in winter.
Fuente de la noticia: http://www.worldhighways.com/categories/road-highway-structures/news/chile-argentina-tunnel-receives-multiple-bids/?utm_source=Adestra&utm_medium=email&campaign_id=1592&project_name=E-newsletters&link_url=http%3A%2F%2Fwww.worldhighways.com%2Fcategories%2Froad-highway-structures%2Fnews%2Fchile-argentina-tunnel-receives-multiple-bids%2F&workspace_id=2&workspace_name=World%20Highways&link_label=WH%20News%201%20-%20Chile%20Argentina&campaign_name=World%20Highways%2015th%20June%202017%20eNewsletter