Sustainable Cities, One Stride at a Time

BY  NATALIA GULICK DE TORRES • August 22, 2023

In the rapidly evolving landscape of urban development and planning, data-driven decision-making has emerged as a powerful tool for city planners to create more efficient, sustainable, and people-centric cities. Strava Metro, an innovative data service provided by Strava, the popular fitness tracking app, has become a unique component of this data-driven approach. Strava Metro's ability to provide anonymized and aggregated user data offers valuable insights into active transportation patterns, popular routes, and high-activity areas, making it an indispensable resource for city planners seeking real-time data. This information, generated by individuals as they navigate the urban landscape, offers a unique opportunity to understand how people move within cities and make informed decisions that shape the future of urban infrastructure.

Strava Metro was conceived to promote active living and sustainable urban transportation. Launched initially as a fitness app catering to the cycling and running community, Strava realized the potential of its vast user base to contribute to more than just personal fitness goals. By aggregating and anonymizing user data, Strava Metro could provide valuable insights that could be harnessed for the greater good of urban planning and development. Over time, Strava Metro has evolved into a crucial tool for municipal planners across the globe, offering a wealth of data on the movement patterns of cyclists and runners. This data has proven to be a game-changer, helping cities better understand active transportation habits, identify infrastructure gaps, and design more active, people-oriented spaces.

Strava, founded in 2009, allows users to record their activities using GPS-enabled devices such as smartphones or watches. Whether it's a leisurely bike ride, a long-distance run, or a brisk morning walk, Strava captures the route, distance, elevation, and other essential metrics of the activity. The app fosters a vibrant community of fitness enthusiasts who connect, compete, and share their achievements, turning physical exercise into a social and motivational experience. As Strava's user base expanded exponentially, the company recognized the potential of this vast dataset for more than just individual fitness tracking. Strava Metro was born to utilize this user-generated data to enhance urban planning, improve transportation and pedestrian infrastructure, and support active living initiatives in cities.

Strava Metro operates as a separate data service within the Strava platform, aiming to serve the needs of city planners, transportation departments, and researchers. It focuses on providing aggregated and anonymized data from Strava users' activities to create valuable insights into urban mobility patterns. The data collection process for Strava Metro is voluntary and relies on user consent, with users having the option to contribute their activity data to Strava Metro if they wish to participate in this data-sharing initiative. Strava employs strict anonymization methods to protect user privacy to ensure that individual identities remain undisclosed. The data is aggregated at the city level, and all personal identifiers are removed, rendering the data anonymous.

Beyond the anonymized and aggregated data provided to city planners, Strava Metro offers additional insights through data segmentation. This feature allows city planners to analyze the data based on various criteria, such as time of day, day of the week, and user activity type. For example, planners can study commuting patterns during rush hours or leisure activities during weekends. This granularity enables a more nuanced understanding of how people move around the city and supports the development of tailored urban planning strategies. By continually refining its data collection methods and incorporating user feedback, Strava Metro becomes an increasingly powerful and valuable resource for city planners seeking data-driven solutions to enhance urban mobility and promote greener transportation methods.

Strava Metro has become a valuable tool for transportation departments, including the Colorado Department of Transportation (CDOT), to understand and prioritize bike traffic. By utilizing Strava's robust dataset, CDOT engineers can classify state roads with high bike traffic, replacing the time-consuming process of fixed-location bike counters. Through a comparison with physical bike counters, Strava Metro's data was proven to be representative of overall bike travel patterns. CDOT has used this information to identify road segments with high bike usage, guiding the design of bike facilities. Strava Metro's data has provided valuable insights into corridors that were previously less known, influencing maintenance resource allocation and policy decisions for safer bike infrastructure in the state. Prior to the inclusion of these datasets, CDOT engineers relied primarily on word-of-mouth to understand whether their corridors were being utilized by cyclists. Now equipped with Strava Metro’s information, the department is able to observe the corridors’ utilization rates in real time.

Planners gain access to information about popular cycling and running routes, pedestrian pathways, and areas with high activity levels. This data reveals which parts of the city are frequented by cyclists and pedestrians, enabling planners to focus on infrastructure improvements in those areas to cater to active commuters and encourage more people to choose sustainable, active modes of transport. Strava Metro data further aids city planners in identifying areas where improved infrastructure is needed. For instance, if a particular route shows a high volume of cyclists but lacks dedicated bike lanes, planners can prioritize building cycling infrastructure to improve safety and encourage more people to cycle. Strava Metro data can also reveal potential bottlenecks or congested areas where pedestrian and cycling paths intersect with vehicular traffic. By addressing these challenges, cities can create a more interconnected, safer, and accessible urban environment for all road users.

By including Strava Metro's data-driven insights as part of a greater strategy for municipal transport, urban planners can create a more holistic multi-modal transportation system. Planners can identify key intermodal points where cycling and running routes intersect with public transportation hubs, such as bus stops or train stations. By improving these intermodal connections, cities can encourage a seamless transition between various modes of sustainable transportation, making it more convenient and attractive for commuters to choose eco-friendly options. Strava Metro further fosters a sense of empowerment and engagement among city residents by integrating community-generated data. By seeing their individual contributions as part of a larger movement towards sustainable transportation, users become more invested in the success of sustainable initiatives. The data collected from everyday activities transforms users into active stakeholders in shaping their city's mobility infrastructure, promoting a sense of ownership and responsibility for sustainable urban development.

As technology continues to evolve and cities worldwide grapple with the challenges of urbanization, Strava Metro's role in urban planning and sustainable transportation is poised to expand. Their data can be seamlessly integrated with broader smart city initiatives, combining data from various sources to optimize urban services and infrastructure. By integrating Strava Metro data with data from traffic management systems, public transit networks, and environmental sensors, city planners can develop a comprehensive view of urban mobility. This approach enables cities to make more informed decisions on traffic flow management, public transportation optimization, and climate resilience planning. Strava Metro's data-driven approach further opens avenues for enhanced public engagement and participatory planning. Cities can explore interactive platforms that allow citizens to provide input on active transportation priorities, suggest infrastructure improvements, and share their mobility experiences. By incorporating the community's insights into the planning process, cities can ensure that sustainable transportation initiatives align with the needs and aspirations of their residents.

As technology and data analytics change and improve, the potential for data-driven urban planning and sustainable transportation solutions becomes even greater. By embracing innovative approaches, leveraging machine learning, enhancing public engagement, fostering collaborative partnerships, and addressing equity concerns, Strava Metro and similar initiatives can further their impact in creating smarter, more inclusive, and sustainable cities worldwide.

About the Author

Natalia Gulick de Torres

Natalia Gulick de Torres is a graduate student at the Harvard Graduate School of Design and research assistant for Data-Smart City Solutions. Her academic research lies in the intertwined histories of urban and rural land development within Latin America and the Caribbean. Previously she was a research assistant for the Loeb Library at the Harvard Graduate School of Design and an engagement coordinator for the Institute for European Studies at Cornell University, where she obtained a Bachelor of Architecture.