Carnegie Mellon University


A transportation research institute of Carnegie Mellon University


Driving the future of transportation

Based in the Heinz College of Information Systems and Public Policy at Carnegie Mellon University, Traffic21 takes a multi-disciplinary approach to developing and deploying intelligent solutions for the transportation sector. Leveraging the world-class expertise of CMU faculty in such fields as engineering, computer science, business, architecture, and design, our research institute explores the use of emerging technologies, such as smart infrastructure and automated vehicles, in a human-centered way.

The city is our laboratory.

In our pursuit of practical, scalable solutions to the most pertinent issues in transportation, Traffic21 relies on the Pittsburgh region as our “learning lab.” Through this approach to better understanding problems and testing new solutions, we’re using existing school bus routes to deliver meals to families in need, utilizing smartphone acetometers to reduce transit bottlenecks, and facilitating safe, successful AV deployment via machine learning.

US Secretary of Transportation Pete Buttigieg and Safety21 Director Raj Rajkumar at the Carnegie Mellon University Q&A.

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