The Bathroom Line Gets a Speed Hack
Traffic lights for toilet stalls cuts down on bathroom wait times at concerts, stadiums and other venues.
by Carren Jao
Sep 01, 2014
2 minutes
![](https://article-imgs.scribdassets.com/251rwxw0lc5i7ftq/images/fileBMKNC31S.jpg)
Allen Klevens, a composer and founder of Prescriptive Music, and Todd Bermann, founder of audio and video company TAB Technical Services, created , an LED lighting system that lets people know from afar which stalls are available in public bathrooms. The Los Angeles-based company's system operates on a color scheme: A green light
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