[6] Line 1 was officially inaugurated on 11 July 2021, going from the Indios Verdes station of the STC Metro to the northern neighborhoods of Gustavo A. Madero.

Line 2 runs from the Constitución de 1917 to the Santa Marta STC Metro stations in the southeast of the city.

[28] The project was originally planned to have four stations that would connect all four Chapultepec park sections, in Miguel Hidalgo.

On 20 July 2021, the tender for the first stage of the line was presented, which will have a length of 5.42 km, 180 cabins and 6 stations: Los Pinos, Panteón Dolores, CECyT 4 / Lienzo Charro, Parque Cri-Cri, Cineteca Nacional and Vasco de Quiroga.

[29] The planned number of station was later increased to eleven and expanded to the high areas of the neighboring borough of Álvaro Obregón.