Metro de Monterrey, Nuevo Leon, Mexico (La Sultana del Norte).
Metro de Monterrey
25 April 1991 - Line 1 Exposición - San Bernabé
30 Nov 1994 - Line 2 General Anaya - General Zaragoza
11 June 2003 - Line 1 San Bernabé - Talleres
Construction of a northern extension for Line 2 began in August 2005. Total length of the extension is 8.5 km with 1.5 km in tunnel and the rest elevated. There will be 7 new stations ready for operation in 2007. The construction consortium includes Siemens (electrical equipment) and Bombardier (rolling stock).