Why DOES green mean go? Go behind the blinking lights to discover the history of traffic lights - including some design innovations that didn’t stand the test of time. Then a look behind the wheel to chase the scent of an iconic car accessory - Little Tree air fresheners.

Produced and Hosted by Brian Moore and Sam Malott Brown.

Audio Mixing and Editing by Jeffery Brown.

Follow us on Facebook and Instagram @FormingFunctionPodcast and visit our website to suggest a topic at FormingFunctionPodcast.com.

Forming Function Season 1 is supported in part by grant funding from Michigan Architectural Foundation.