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D. Alex Quistberg

(He/Him/His)

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Associate Research Professor, Urban Health Collaborative, Drexel University

A long exposure photo shows traffic driving on Roosevelt Boulevard, one of the most dangerous roads for traffic accidents in Philadelphia. AP Photo/Matt Rourke

September 21, 2026

What Philly can – and can’t – do to reduce the number of people killed in car crashes

D. Alex Quistberg, Drexel University

Philadelphia has more fatal traffic accidents than other big US cities, and they’re concentrated in poor neighborhoods.

More than half of Philadelphia commuters drive to work, while 21% take public transportation, 8% walk and 2% bike, according to the Philadelphia City Planning Commission. Jumping Rocks/UCG/Universal Images Group via Getty Images

December 2, 2024

Dozens of cyclists and pedestrians are killed each year in Philly − an injury epidemiologist explains how to better protect bike lanes, slow drivers down and reduce collisions

D. Alex Quistberg, Drexel University

Philadelphia implemented new policies this year to better protect pedestrians and cyclists, but the city has a long way to go to reach its Vision Zero commitment of zero traffic deaths by 2030.

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Location: Philadelphia, Pennsylvania, U.S.
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Joined August 15, 2024