Sarmiento Line

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Trenes Argentinos Operadora Ferroviaria.png
Sarmiento Line
Csr rc06 00.jpeg
A CSR electric multiple unit that runs the line.
Service type Commuter rail
Status Active
Locale Buenos Aires Province
Predecessor Western Railway
First service 1948; 67 years ago (1948)
Current operator(s) Trenes Argentinos
Former operator(s) TBA
Ridership 39,664,000 (2014)[1]
Website Ministry of Transport
Start Once
Stops 40
End Moreno
Distance travelled 174 km
Average journey time
Service frequency
Rolling stock CSR EMUs
Track gauge 1,676 mm (5 ft 6 in)
Electrification Third rail
Track owner(s) Government of Argentina
This article is about the commuter rail line. For the national railway company, see Domingo Faustino Sarmiento Railway.

The Sarmiento line is a broad gauge commuter rail service in Buenos Aires Province, Argentina, run by the state-owned Trenes Argentinos since 11 Sep 2013.[2]


This line had previously been run by the state-owned company Ferrocarriles Argentinos since nationalisation of the Argentine railways in 1948. FA operated the trains until 1991 when residual company FEMESA temporarily took over all the urban services prior to be privatized. After the Government of Carlos Menem privatized the urban railways services private company Trenes de Buenos Aires (TBA) took over Mitre Line.

TBA operated the line until the 2012 Once station rail disaster happened. As a result, the National Government revoked the concession granted to TBA and gave the Mitre and Sarmiento to UGOMS, that operated the line until 2014 when it was re-privatised and given under concession to "Corredores Ferroviarios S.A."[3] [4] [5]

In 2014 the Government announced the acquisition of new trains to replace the existing Sarmiento Line rolling stock. The cars were manufactured by Chinese company CSR Corporation Limited, with the first arriving in June 2014.[6][7]

Sarmiento Tunnelling[edit]

The performance of the Sarmiento line will be greatly improved by drilling a new tunnel. Under plans announced in 2006, a 33 km tunnel is to be bored between Moreno and Caballito in order to replace the surface alignment of the Sarmiento commuter route. According to the Minister of the Interior and Transport, the first stage will cost 11·5bn pesos, removing many level crossings which would ‘avoid many accidents and much loss of life’. The new underground alignment should increase the service frequency to every 3 min, increasing capacity from 100 million to 280 million passenger-journeys a year. The tunnel segment will have 13 underground stations. Drilling started 2 July 2012. During the construction, service on the surface line will continue.[8]

Train services[edit]




  1. ^ a b Once-Moreno
  2. ^ a b Merlo-Lobos
  3. ^ a b Moreno-Mercedes


External links[edit]