Caseros – Once : 3.4 Km.
The New Line H is the first one built after sixty years being the integration tool between the North and the South os the city. The construction work is being carried out in various stages actually. The stretch which is actually working is the Caseros-Once one, passing its axis under Jujuy avenue until Miserere square.
This stretch has a total of 5 stations, Caseros – Inclán – Humberto Iº - Venezuela and Once, allowing transhipments with linee E and A, thus expanding the combinations of the actual subway network.