Andrew Paul is Popular Science‘s staff writer covering tech news. Previously, he was a regular contributor to The A.V. Club and Input, and has had recent work featured by Rolling Stone, Fangoria, GQ, Slate, NBC, as well as McSweeney’s Internet Tendency. He lives outside Indianapolis.
Fully self-driving cars, despite the claims of some companies, aren’t exactly ready to hit the roads anytime soon. There’s even a solid case to be made that completely autonomous vehicles will never take over everyday travel. Regardless, some urban planners are already looking into ensuring how such a future could be as safe and efficient. According to a team at North Carolina State University, one solution may be upending the more-than-century-old design of traffic signals.
But for those concerned about the stressful idea of confusing, colorless lights atop existing signals, don’t worry—the “white” is just a theoretical stand-in until regulators decide on something clearer. “Research needs to be done to find the best color/indication,” Hajbabaie writes in an email to PopSci. “Any indication/color could be used as long as it does not associate with any existing message and does not create confusion.
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