The last remaining streetcar line , Tasqueña – Xochimilco , operated with PCC cars until 1984 . During the 1985 Mexico City earthquake many cars were damaged . This system was upgraded to a modern light rail system , the Xochimilco Light Rail line , which opened in stages between 1986 and 1988
1985 Mexico City earthquake
1985 Mexico City earthquake
Streetcars in Mexico City