Buenos Aires Transport Planners Navigate Service Changes Under New Fare System

Tariffs for public transport across the AMBA rose on 1 July to between 380 and 660 pesos per section for riders using a registered SUBE card, with higher dual rates applying to unregistered users.

The change arrives amid peso stabilisation efforts and IMF programme conditions that continue to shape spending choices for the Milei administration. Transport operators now face immediate questions about how to sustain existing coverage while meeting daily demand from commuters who rely on the system to reach central districts from the conurbano.

Daily operations across multiple modes

Buenos Aires maintains 137 colectivo lines that run around the clock, though headways lengthen after midnight on routes connecting the city to the Gran Buenos Aires area. Nine Metrobus corridors with dedicated lanes operate alongside 300 kilometres of ciclovías, while the Trambus electric units introduced in November 2025 serve north-south corridors. More than one million passengers travel by train each day, the fastest option from the suburbs into the centre, followed by private cars and colectivos. The Subte runs Monday to Friday from 5:00 to 23:00 and accepts debit, credit and virtual wallets in addition to the SUBE card required on buses.

Choices on frequencies and integration

With fares now fixed at the new July levels, the next practical steps involve reviewing how often services run on the 137 lines and whether further payment integration can reduce friction for the million-plus daily train users. Planners must also assess whether the Trambus units that cut some north-south travel times by up to 40 percent can be extended without straining budgets tied to the current economic adjustment. Riders can continue using registered SUBE cards to access the lower end of the 380-to-660-peso range and should check posted schedules for overnight colectivo frequencies on routes serving their neighbourhoods.