After the service was interrupted during some periods of time, Divisadero de Pinamar was re-opened in January 2021.

For that reason they requested the BAGSR to build a branch so they could commercialise their goods avoiding so long trips.

[1] In 1913 a group of Belgian entrepreneurs inaugurated Ostende, a village in the coast built on a land they had bought to the Guerrero family.

[1] When the entire railway network was nationalised in Argentina in 1948,[6] managers of BAGSR's successor, Ferrocarriles Argentinos, thought about using those old freight branches for a passenger service to Pinamar.

After some studies, works began and in August 1949, the first Constitución – Pinamar service was opened to public.

[1] In 1991 the Governor of Buenos Aires Province, Eduardo Duhalde, expressed his intention to reactivate the Gral.

Madariaga service (those tracks had not been removed) also stating that the government was studying to extend the line to Pinamar.