Pantitlán metro station is a Mexico City Metro transfer station in the boroughs of Iztacalco and Venustiano Carranza, in Mexico City. It is a combined underground, at-grade, and elevated station with six island platforms and two side platforms, served by Lines 1 (the Pink Line), 5 (the Yellow Line), 9 (the Brown Line), and A (the Purple Line). The only quadra-line interchange station in the system, Pantitlán metro station works as the terminal station of all of the lines and is located adjacent to Zaragoza (Line 1), Hangares (Line 5), Puebla (Line 9), and Agrícola Oriental (Line A) stations. It serves the colonias (neighborhoods) of Ampliación Adolfo López Mateos, Aviación Civil, and Pantitlán; it receives its name from the last one. The station's pictogram features the silhouettes of two flagpoles. Pantitlán metro station opened on 19 December 1981 with service northwestward toward Consulado on Line 5; service eastward toward Observatorio on Line 1 started on 22 August 1984; service eastward toward Centro Médico on Line 9 started on 26 August 1987; and service southeastward toward La Paz on Line A started on 12 August 1991. The facilities are accessible for people with disabilities as there are elevators, access ramps, tactile pavings, and braille signage plates. Inside there is a cultural display, an Internet café, a women's defense module, a public ministry office, a health module, a mural, and a bicycle parking station. By far, Pantitlán is the busiest station in the system. In 2019, before the impact of the COVID-19 pandemic on public transport, the station had a ridership of 132,845,471 passengers, whereas the second place (Cuatro Caminos station) registered 39,378,128 passengers. Out of those passengers, 45,550,938 entrances were registered on Line A, making it the busiest station when counted separately. Since 11 July 2022, the Line 1 station has remained closed due to modernization works on the tunnel and the line's technical equipment. Location Pantitlán is a metro transfer station in the boroughs of Iztacalco and Venustiano Carranza, in eastern Mexico City. The station lies mostly along Río Churubusco Avenue and serves colonias (Mexican Spanish for "neighborhoods") of Ampliación Adolfo López Mateos, Aviación Civil, and Pantitlán. Pantitlán metro station functions as the terminal station of Lines 1, 5, 9, and A, and it is adjacent to Zaragoza (Line 1), Hangares (Line 5), Puebla (Line 9), and Agrícola Oriental (Line A) stations. The area is serviced by stations of the