Postgraduate Engineering

How the urban mobility system evolves in a city of more than 3 million inhabitants

18.07.2025

Author: Postgraduate Engineering

 

The Autonomous City of Buenos Aires has 3.121.707 inhabitants (2022 Census). It is also visited daily by tourists and workers from both the greater metropolitan area and the rest of the country. This makes it an urban center facing a significant challenge in terms of infrastructure and mobility.

Pablo Bereciartua, Minister of Infrastructure and Mobility of the Autonomous City of Buenos Aires, was invited to a webinar organized by the Master's Program in Mobility and Automotive Management of the Faculty of Engineering, to share details about the initiatives that are being carried out to achieve more sustainable mobility.

Bereciartua focused on a policy for an Integrated Urban Mobility System (SIM), based on speed, greater comfort, and a more sustainable approach, both for the environment and for human health. One of the main objectives is for the city to utilize the mobility system, comprised of 70 km of Metrobús and more than 300 km of bike lanes and paths.

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Currently, there is a radial transportation system, with the subway as its main axis. This makes it a polycentric city, since the entire subway system converges on the city center. Thanks to a history of data collection, a team has been formed to develop new approaches to transportation and mobility, with more sustainable initiatives.

Innovative initiatives aligned with environmental care

The first electric bus line in Argentina is now operational . These buses cover a 12 km route, running from Plaza San Martín to Parque Lezama. Currently, the service is free as it is in a trial phase.

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In a medium-term plan, the aim is to incorporate other initiatives aligned with the SIM's objectives: speed, convenience and sustainability.

Line F, scheduled to launch next year, is a subway line that aims to connect the city's main transit hub (Constitución) with Plaza Italia, a total distance of 9 km. The main subway lines currently in operation are electric, making them a much quieter and more sustainable mode of transportation.

On the other hand, Trambus is planned to be incorporated as the T1 line – scheduled for 2026 – with a 20 km route from Pompeya to Aeroparque. The system will be integrated with the subway and will reduce travel times by between 30% and 40%. Another electric line to be implemented is the T2, planned for 2027. Both will be 100% electric. The following graphic shows the impact of the T1 line:

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This set of initiatives seeks to move from a radial model to an electric grid that aims to change the city's transport design.

Another change implemented in recent months is multi-payment: the subway can now be paid for with a QR code, a card, or any mobile device. There has also been progress in subsidies, with various private banks financing part of the fare to attract more customers. In other words, the financing is not provided by the public sector, but by the private sector.

Based on the data, initiatives have also begun to reduce peak congestion times or reinforce transportation in the face of important events in the City of Buenos Aires, allowing passengers to travel more comfortably.

The initiatives undertaken by the Ministry of Infrastructure and Mobility of the City of Buenos Aires reflect the growing trend toward more sustainable mobility. The automotive sector is undergoing significant transformations: digitalization, electrification, and sustainability. In this context, the Master's Program in Mobility and Automotive Management at the Faculty of Engineering was created as a direct response to these new demands. It is a comprehensive, up-to-date, 100% online program designed for professionals throughout Latin America who want to lead with impact, adapt to change, and shape the future of mobility.

We invite you to learn more about the master's program on the faculty's website .

 

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