It is represented by the stylised logo of a cloverleaf interchange, which represents crossing of Calzada de Tlalpan (a former Aztec road) and Viaducto Miguel Alemán, a crosscutting freeway that runs across the middle of the Federal District which opened in September 1950.
[5] On October 20, 1975, at about 09:40 local time (15:40 GMT), two trains crashed, while both were going towards Tasqueña station.
The first was parked at Viaducto station picking up passengers when it was hit by another train that did not stop in time.
To date, it is the worst railroad accident recorded in the Mexico City Metro.
The driver, Carlos Fernández, was found guilty and sentenced to 12 years in prison.