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A new metric for designing safer streets

Penn researchers demonstrate how biometric data can help city planners more proactively design and evaluate the safety of urban infrastructure for bicyclists and pedestrians.
megan ryerson cycling down a city bike lane
Using eye tracking data from cyclists navigating through Center City, researchers from the lab of Megan Ryerson (above) describe how biometric data can be used to find potentially challenging and dangerous areas of urban infrastructure. (Image: Thomas Orgren)

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  • A world shaped by water and access
    Three people test water below a sand dam.

    Griffin Pitt, right, works with two other student researchers to test the conductivity, total dissolved solids, salinity, and temperature of water below a sand dam in Kenya.

    (Image: Courtesy of Griffin Pitt)

    A world shaped by water and access

    Griffin Pitt’s upbringing made her passionate about water access and pollution, and Penn has given her the opportunity to explore these issues back home in North Carolina and abroad.

    Oct 8, 2025