Photo courtesy Marcio Vieira / Tocantins Government The north-south railway line in Tocantins (pictured) is among 11,000 km of Brazil rail scheduled for improvement under the proposed concession program. Related Links: Letter From Brazil: New Subways, Highways Can't Arrive Fast Enough Brazil Privatizes Three Major Airports, Nets $14.3 Billion in Concessions Two years after the Brazilian government announced a huge package of concessions to stimulate investments in infrastructure, construction projects for the railway industry remain on the shelf. The delays have resulted from regulatory risks, which were identified by investors, and failed projects.Officials hope for a break in the impasse