Traffic lights were invented to improve pedestrian safety, but they also created streets that put cars first. But what if traffic lights could respond to the actual conditions at the intersection — perhaps stay red for an elderly walker or turn green for a crowded bus? In this episode, we explore an innovation that could change the hierarchy of the street: adaptive traffic lights. City of the Future is produced by Benjamen Walker and Andrew Callaway. Our hosts are Vanessa Quirk and Eric Jaffe. Mix by Sharif Youssef. Music is by Adaam James Levine-Areddy (check out his band at amsterdamlost.com). Art is by Tim Kau. Special thanks to all who made this episode possible: Willa Ng, Ryan Vilim, Richard Saylor, Kara Oehler, Claire Mullen, Taylor Wizener, and Sven Kreiss.

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“What did the council decide on item 42?” — answered with the speaker and the moment.

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