Santiago Metro Line 4A is one of the seven lines that currently make up the

Santiago Metro The Santiago Metro () is a rapid transit system serving the city of Santiago, the capital of Chile. It currently consists of seven lines (numbered 1-6 and 4A), 143 stations, and of revenue route. The system is managed by the state-owned Metro S. ...

network in

Santiago Santiago (, ; ), also known as Santiago de Chile (), is the capital and largest city of Chile and one of the largest cities in the Americas. It is located in the country's central valley and is the center of the Santiago Metropolitan Regi ...

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

. It has six stations and of track. The line intersects with Line 2 at

La Cisterna La Cisterna (, Spanish for "the cistern") is a commune and census-designated city in Santiago Province, part of the Santiago Metropolitan Region of Chile. Founded on 30 May 1925, it is part of the urban area of Greater Santiago. Demographics ...

, and with Line 4 at Vicuña Mackenna, both being its termini. It will also intersect with the future Line 9 at Santa Rosa station and acts as a link between these two lines. Its distinctive colour on the network line map is light blue. In 2015, Line 4A accounted for only 3.1% of all trips made on the metro system with a daily ridership of 56,400; it is the least used line in the system since it does not serve the city centre, as well as being the shortest line in the system.

History

Line 4A was originally conceived as a branch of Line 4, but due to the considerably low demand compared to the Puente Alto service, it was separated from Line 4 and inaugurated as a different service. It was inaugurated by President

Michelle Bachelet Verónica Michelle Bachelet Jeria (; born 29 September 1951) is a Chilean politician who served as President of Chile from 2006 to 2010 and again from 2014 to 2018, becoming the first woman to hold the presidency. She was re-elected in December ...

and opened to the public on August 16, 2006. It runs between La Cisterna station and Vicuña Mackenna station. On November 29, 2010

workers struck, halting the service for 17 days. The strike caused major over-crowding on bus services as passengers used them as an alternative to their daily metro rides.

Echeverría: The Ghost Station

Echeverría metro station, built but never opened to the public, is located between La Cisterna station and San Ramón station on the junction of Blas Vial street and Maria Vial in the commune of

. The station remains partially built, with the platforms and footbridge across the highway already finished. The station has never been completed due to the low density of residents in this area, although it could be finished and opened to the public if the population density increased.

Extensions

The line may be extended in the future to Del Sol station to connect with Line 5. The trench where the extension would run has already been built between the two lanes of the Autopista Vespucio Sur highway, ready for the extension to be laid down if the population were to increase in that part of the city. If built, the extension would serve the

communes A commune is an alternative term for an intentional community. Commune or comună or comune or other derivations may also refer to: Administrative-territorial entities * Commune (administrative division), a municipality or township ** Communes of ...

Lo Espejo Lo Espejo is a commune of Chile located in Santiago Province, Santiago Metropolitan Region, southwest of Santiago Centro. It is the most population density commune in the country. Demographics According to the 1999 census of the National Stat ...

, Cerrillos and Maipú. During his last public address, on June 1, 2025, President

Gabriel Boric Gabriel Boric Font (; born 11 February 1986) is a Chilean politician and the President of Chile since 2022. He previously served two four-year terms as a deputy in the Chamber of Deputies of Chile, Chamber of Deputies. Boric first gained prom ...

announced the extension of Line 4A to the municipalities of Lo Espejo, Cerrillos and Maipú, connecting with the Del Sol on Line 5; at the same time, it was announced that the line would change its name to Line 10 and the existing stations would be remodeled. The extension entails 10 more kilometers and 7 new stations that would be delivered no earlier than 2037.

Stations

;Stations running from east to west:

Line 4A Data Sheet

* Communes: ** La Florida ** La Granja ** San Ramón **

* Track: ** Américo Vespucio Sur Avenue: 6 stations * Construction Method: Open-cut and at-grade. * Opening Date: August 2006

References

External links

Metro S.A.

Santiago Metro Map

Tarjeta Bip! contactless cards

Santiago Transit Authority, Transantiago
* Santiago Metro Wikipedia page, in Spanish {{Authority control