Mexico city’s new metro line to begin test-runs in August 2011 June 3, 2011 | Latin America Finance Line 12 of Mexico City's metro system is slated to begin trial runs in August 2011. The Federal District (DF) government has invested MXP14.4 billion in the new line so far, and plans to invest anothe... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password