Line B (Buenos Aires Metro) - History

History

In 1912 the Congress of Argentina enacted Law 8,870 to carry out the line that would unite the Correo Central (Central Post Office) and the intersection of Triumvirato and Elcano streets, splice site with the tracks of the Buenos Aires Central Railroad (Ferrocarril Central de Buenos Aires or FCCBA), which belonged to the same business group through a 8.7 km tunnel. The Act provided that the works "would clear in part the traffic in the central area of the city".

Latterly on 17 December 1927 in New York the financial agreement to build was signed between Teófilo Lacroze, the president of Banco de la Nación Dr. Tomás de Estrada, Dr. Louis J. Rocca directory owner of Ferrocarril Terminal de Buenos Aires and bankers Harris and Forbes. This will grant the concession of the line for passengers, parcels and freight to Lacroze Brothers Company.

The construction was done by the Argentine builder Dwight P. Robinson & Cía, and the line was called Ferrocarril Terminal Central de Buenos Aires (Central terminal railroad of Buenos Aires). The first section between Federico Lacroze and Callao opened on 17 October 1930 and measured 7.021 km. The maiden voyage was made by President de facto José Félix Uriburu.

On 22 June the following year it was extended to Carlos Pellegrini station. Finally the line was completed on 1 December 1931 when the subway reached the station Leandro N. Alem. These three sections were carried out entirely below Corrientes Avenue, including 19 curves and 13 stations.

According to the depth of the line some sections were made by open ditch (cut-and-cover method) or gallery or tunnel. As so were performed mainly at open skies the stations Federico Lacroze, Dorrego, Canning, (now Malabia), Río de Janeiro, (now Ángel Gallardo) and Medrano . When you reach the tunnel at Maipu Street the maximum depth reached 17 metres. Underneath the Rancagua (today Los Andes) park, in Chacarita, a workshop and a 10 track garage (with capacity for 110 wagons) were built.

This line had escalators and turnstiles for the payment of coin-operated service, initially manufactured in United States, formerly controlled by guards. It also was deeper than the Line A, and like it, each station was decorated with friezes of characteristic colors.

An underground link with the subsoil of the Mercado Central de Abasto (central wholesale fruit and vegetable market) was made available on 12 July 1933, by which goods wagons with freight from the Ferrocarril Central de Buenos Aires (Buenos Aires Central Railroad) would arrive, driven by electric locomotives. This was lifted after the fire occurred on 27 November 1952. From the beginning the circulation was protected by an automatic luminous signalization, with devices for mechanic trains, which were substituted in 1980 for others of magnetic induction, also replaced in 1998 for an electric system with ATP.

The Service was inaugurated with 56 English Metropolitan Cammell cars (numerated from 101 to 156), of two bogies and metallic bodywork painted with cream and red colours on the exterior, with decorative artwork and dark blue coloured doors. Each car had two 105 HP motors. The interiors had 47 wooden seats, the majority with reversible back and three slide doors on each side, at the platforms level, of opening ans closure commanded by the guard. Later on, 20 similar cars made by Osgood Bradley Car Company of the US were incorporated.

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