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The line will connect capital Bogotá with nearby suburbs.
It will be carried out under a public-partnership model, with a private company contributing 70% and the government 30%.
"This project will take place. It is one of the most important ones for Bogotá and the country, as in addition, from an economic point of view, it is vital as it will connect the El Dorado airport with the [future] El Dorado II, and these two with downtown Bogotá," said national infrastructure agency ANI director Luis Fernando Andrade in a release.
In the case of the metro system, Andrade said that the two systems will intercept on 19th street and Caracas avenue.
The 41km, 1.66tn-peso (US$524mn) RegioTram project envisions 18 stations, 12 of which will be located within Bogotá.