Key Lessons in Urban Mobility


Meet Stan Caldwell, Executive Director, Mobility21

Stan Caldwell is an Adjunct Associate Professor of Transportation and Public Policy at Carnegie Mellon University in Pittsburgh. He teaches courses in intelligent transportation systems and advises student projects related to transportation.

Stan serves as Executive Director of Carnegie Mellon’s Traffic21 Institute and Executive Director of the Mobility21 National University Transportation Center. These centers fund and coordinate faculty from across the University in interdisciplinary transportation research. He serves on the executive committee of the Council of University Transportation Centers, the Pennsylvania Autonomous Vehicle Policy Task Force and the Smart Belt Coalition.

The Chase for the Safe and Friendly Autonomous Car: are we there Yet?

Long before the first truly autonomous Level 5 vehicle is crowned, it will be preceded by redesigned streets to accommodate new types of commuters, public policy initiatives for safely integrating the vehicles into the community, and educational programs. The Mobility21 Transportation Center is at the forefront of building this vision for the future.

Stan talks about the current challenges with autonomous vehicles, community expectations -and fears, and partnerships needed at the local, state, and federal levels to ensure success.

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How Does a Former Industrial City Transform Itself into a High Tech City?

Stan discusses the challenges of bringing new mobility solutions into a city actively transitioning itself away from its historical roots in heavy industry to one that attracts Silicon Valley companies and talent. 

He shares his views on the post-industrial direction of Pittsburgh as it relates to community perception, investments in infrastructure, and the march to an "eds and meds" new economy.

Stan also makes the case that any discussion on urban transportation needs to encompass the full range of mobility and accessibility solutions and not just focus on driverless cars. 



How Do You Design More Efficient  Infrastructure for Drivers and Autonomous Vehicles?

As Executive Director of CMU's Traffic21 Institute, Stan works at the developmental epicenter of new technologies to move vehicles through streets more efficiently. This includes adaptive traffic signals that can regulate traffic flow based on congestion and even those that "talk" to specially equipped cars to learn where they are going and how they want to turn.

Stan talks to us about his experience ramping up from a pilot of 9 signals to preparing to deploy hundreds of signals in Pittsburgh.

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Can a City be too Big or Too Small to Implement Adaptive Traffic Technology?

Is there a sweet spot, when it comes to city size? Stan talks about the basic elements that need to exist in a community or region for smart traffic signals, adaptive technologies, and V2E communications to make sense. Hint: You probably have it wrong when you think about the basic ingredients to this formula.