Line B Info
- Network Buenos Aires Underground
- Operation Started 1930
- Total Length 11.9 km
- Total Stations 17
Terminals
From
Leandro N. Alem
To
Juan Manuel de Rosas
Line B Overview
Buenos Aires Underground Line B opened on October 17, 1930, becoming the network's second line. It runs between Leandro N. Alem and Juan Manuel de Rosas, covering a distance of 11.7 kilometers and serving 17 stations. The line connects the city center to the western parts of Buenos Aires and has been extended over time through several extensions. Its most recent extension, completed in July 2013, further improved connectivity and made it one of the system's busiest lines.
Buenos Aires Underground Map 2026
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Other Lines in Buenos Aires Underground
Frequently Asked Questions — Line B
Line B has 17 stations on the Buenos Aires Underground network.
Line B runs between Leandro N. Alem and Juan Manuel de Rosas.
Line B is approximately 11.9 km long.
Line B opened in 1930.
Line B is a Metro line operated under Buenos Aires Underground.
Line B is part of the Buenos Aires Underground transit network.