© 2021 All Rights reserved WUSF
News, Jazz, NPR
Play Live Radio
Next Up:
0:00
0:00
Available On Air Stations

When Traffic Lights Make Us Stop and Think

For the past 15 years, writer Brian Hayes has made a hobby out of studying -- and photographing -- the manmade. He is the author of Infrastructure: A Field Guide to the Industrial Landscape.

Inspired by his daughter's questions, he set out to learn more about the workings of power lines, fire hydrants and other mysteries of the industrial age.

His subject on a recent field trip to the traffic command center in the nation's capital: How do stoplights work?

Copyright 2021 NPR. To see more, visit https://www.npr.org.

WUSF 89.7 depends on donors for the funding it takes to provide you the most trusted source of news and information here in town, across our state, and around the world. Support WUSF now by giving monthly, or make a one-time donation online.