The first three lines were finished on June 10, 1972.
The oldest metro system is London Underground
Metro La Paz - Mexico City Metro - was created in 1991.
Mexico City Metro was created in 1969.
Mexico City Metro Line A was created in 1991.
Cuicuilco is thought to be the oldest city in Mexico. The pyramid in the city is thought to be the oldest building in Mexico.
Mexico City Metro Line B was created in 1999.
Underground in London, England.
It is not the oldest in the Americas, but is the largest. Its name is Mexico City.
The Mexico City subway has a rolling stock of 355 trains and approximately 2858 wagons.
I guess you mean in Mexico City. The Mexico City Metro (officially Sistema de Transporte Colectivo Metro) consists of 11 lines, 163 stations and a total length of 202 Kilometers (126 miles). Its daily ridership amounts for some 3.88 million people.
The oldest city in the Americas is Mexico City.
1 Mexico City, Mexico, 8,658,576 Metro 19,231,829 2 Bogotá, Colombia, 7,363,494 Metro 8,090,883 3 Lima, Peru, 7,186,000 Metro 9,241,961 4 Santiago, Chile, 4,656,690 Metro 6,293,000 5 Madrid, Spain, 3,228,359 Metro 5,561,748