Legislators from Colombia's conservative party have questioned the feasibility of a project to build a metro in capital Bogotá, according to a congressional release.
"As long as the accounts that back up financing of the Bogotá metro remain unclear, the future of the city and the nation's finances are at risk," said congressman Hernán Andrade.
Andrade questioned passenger demand studies that show the metro line transporting 600,000-800,000 people each day, saying that public transport use in Bogotá has declined significantly in recent years.
The legislator also referred to "significant differences" between the project plans proposed by city mayor Samuel Moreno and his team of experts and plans drawn up by the national government's analysts.
Colombia's President Juan Manuel Santos has said he supports the metro project, provided it is properly structured.