Line A Info
- Network Buenos Aires Underground
- Operation Started 1913
- Total Length 9.8 km
- Total Stations 18
Terminals
From
Plaza de Mayo
To
San Pedrito
Line A Overview
The first line of the Buenos Aires Underground, Line A, opened on 1 December 1913, becoming the oldest metro line in Latin America. It runs from Plaza de Mayo to San Pedrito, covering a distance of approximately 9.8 km and serving 18 stations. Over the years, the line has been gradually expanded, with the latest extension completed in September 2013.
Buenos Aires Underground Map 2026
Click to expand
Other Lines in Buenos Aires Underground
Line B
Leandro N. Alem ↔ Juan Manuel de Rosas
17 stations
Line C
Retiro ↔ Constitución
9 stations
Line D
Catedral ↔ Congreso de Tucumán
16 stations
Line E
Retiro ↔ Plaza de los Virreyes - Eva Perón
18 stations
Line H
Facultad de Derecho ↔ Hospitales
12 stations
Line P
Intendente Saguier ↔ General Savio
18 stations
Frequently Asked Questions — Line A
Line A has 18 stations on the Buenos Aires Underground network.
Line A runs between Plaza de Mayo and San Pedrito.
Line A is approximately 9.8 km long.
Line A opened in 1913.
Line A is a Metro line operated under Buenos Aires Underground.
Line A is part of the Buenos Aires Underground transit network.