 
 <prompt> Wetin be di systems wey pipo dey use pass? Based on di question wey dey above, write small tori wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Mexico City get Sistema de Transporte Colectivo wey dey serve am, na 225.9 km (140 mi) metro system, wey be the largest for Latin America. The first parts open for 1969 and e don expand reach 12 lines with 195 stations. The metro na one of the busiest for the world wey dey carry approximately 4.5 million people every day, wey only Moscow (7.5 million), Tokyo (5.9 million), and New York City (5.1 million) subway lines pass am. E dey heavily subsidized, and e get some of the lowest fares for the world, each trip dey cost 5.00 pesos from 05:00 am to midnight. Some stations dey show pre-Columbian artifacts and architecture wey dem discover during the metro construction. However, the metro no cover reach half of the total urban area. The Metro stations dey different with icons and glyphs wey dem propose for people wey no fit read. The specific icons dem develop based on historical (characters, sites, pre-Hispanic motifs), linguistic, symbolic (glyphs) or location references and e don dey emulate for other transport options for the City and other Mexican cities. Mexico City na the only city for the world wey dey use the icon reference and e don turn popular culture trademark for the city. 