The Mexico City Metro (Sistema de Transporte Colectivo) is the second largest subway in North America after the New York City Subway. In 2012, the system served 1.609 billion passengers. Its inaugural 7.9-mile line, serving 16 stations, opened to the public on 4 September 1969.
Photos: Mexico City subway system
Mexico City Metro - Into the Subway - Britt Reints - Flickr - 2013
Mexico City Metro above-ground station - Miguel Tejada-Flores - 2013 - Flickr
Allende Station - Alejandro Mejia Greene - 2006 - Flickr
Correspondencia Station - HI TRICIA! 2010 - Flickr
Mexico City - Pyramids of Teotihuacan - Richard Cawood - 2008 - Flickr
Cuatro Caminos Station - Gary Denness - 2009 - Flickr
Mexico City Metro - Line 1 Information - Candy Tale - 2008 - Flickr
Mexico City Metro before Day of the Dead - Nicholas Babaian - 2008 - Flickr
Mexico City Metro - interior railcar - Gary Denness - Flickr
Mexico City aerial - Travis - 2008- Flickr
Mexico City Metro - Line Info - Dave Cooksey - 2010 - Flickr
Mexico City - Cathedral - Ted McGrath - Flickr - 2014
Bellas Artes Station entrance - Paris style sign - Rocky A - 2009 - Flickr
Mexico City Metro - Fast Lunch - Karolina Lubryczynska - 2014 - Flickr
Candelaria Station - HI TRICIA! - 2010 - Flickr
Mexico City Metro - platform - Feref Garcia 2011 - Flickr
Mexico City Metro - Shannon - 2007 - Flickr