Feds want robotaxis to signal ‘I’m driving’ with cyan-colored lights
The Verge·October 23, 2026
After years of debating how driverless cars should tell the world no one is at the wheel - flashing text, audio alerts, custom lights - the feds just stepped in with a single answer: cyan. The National Highway Traffic Safety Administration released proposed changes to Federal Motor Vehicle Safety Standard (FMVSS) No. 108, specifically rewriting the rules to fit autonomous vehicles. It's a mix of cutting red tape for human-free designs and standardizing how robotaxis communicate with the world around them - starting with a distinctive blue-green light. NHTSA is proposing cyan-colored marker lamps "to clearly and consistently signal to law e …
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