How do traffic lights work? Where does our water come from? What keeps the subway system going 24 hours a day? Kate Ascher explains how the infrastructure of New York City keeps everything running smoothly…most of the time, anyway. She’s author of The Works: Anatomy of a City.
Weigh in: Do you worry about the safety of our NYC infrastructure?

Comments [1]
regarding the buttons that are supposed to help you cross the street: if you find that one is stuck or broken, will the city accept a report about that via the 311 help line?
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