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Universitat Autònoma de Barcelona

First map of Barcelona's bicycle traffic published

18 Sep 2025
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How do bicycles move around Barcelona? Which streets have the most bicycle traffic and which ones still need bike lanes? A pioneering study conducted in Barcelona offers answers to these questions for the first time, backed by solid data. 

Mapa de circulació de bicicletes a Barcelona

The study is the result of collaboration between the Institute of Environmental Science and Technology (ICTA-UAB), the Barcelona Supercomputing Centre (BSC-CNS), and the Bicycle Club of Catalonia (BACC), with essential support from the public: 43 volunteers collected data through the BiciZen platform, making a more detailed and accurate model possible.

This innovative tool estimates bicycle traffic on more than 20,000 road sections in the city, paving the way for a much more accurate understanding of bicycle mobility patterns.

This information is key to managing mobility in the city, and now for the first time there is a detailed snapshot of bicycle flows at street level. Furthermore, one of the major lessons learned from the project is that citizen participation has been decisive in improving the models: without crowdsourcing, we would not have such a refined and representative map of the reality of cycling today.

One of the new major features is the inclusion of gender and age data, which will enable progress towards a more inclusive and representative cycling infrastructure. This makes it possible to identify areas where specific measures are needed to ensure the safety and comfort of everyone: young people, older people, and women, who are currently less represented in cycling.

The result is a valuable tool for urban planners, organisations, and citizens alike: solid information to guide political and urban planning decisions and transform Barcelona into a more bike-friendly, fair, and data-driven city.

 Click here for the full study (in Catalan)
 Access to the interactive display

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