US auto safety regulators have proposed adding a new color to the palette of vehicle lights: teal. The National Highway Traffic Safety Administration (NHTSA) on October 23 published a draft rule that would allow vehicles equipped with automated driving systems to install one or two teal lights on the front, sides, and rear, positioned at least 15 inches above the ground. The lights would be optional, but their purpose is clear: to help police officers and other road users distinguish self-driving cars from human-driven ones.
For decades, exterior car lights have been limited to red brake lights, amber turn signals, and white headlights. The introduction of teal would mark a shift in that long-standing convention. According to the Chinese outlet First Electric (D1EV), which cited Bloomberg, NHTSA believes a uniform standard for autonomous vehicle lights would ensure consistent recognition and avoid confusion caused by varied local designs.
Part of a broader regulatory push
The proposal is part of NHTSA's wider effort to update safety standards written before self-driving technology existed. Earlier this year, in June, the agency suggested allowing vehicles designed solely for autonomous operation to omit the brake pedal—a move that would remove a regulatory hurdle for Tesla's Cybercab robotaxi. The teal light proposal is another step in the same direction, aimed at eliminating unnecessary obstacles to the deployment of automated vehicles.
The draft rule is now open for public comment. Such proposals typically take months or longer to finalize. If approved, the teal light would be an optional feature, not a requirement, but its adoption could signal a new era in how autonomous vehicles communicate their presence on the road.
For Chinese EV makers eyeing the US market, the proposal is a reminder that regulatory frameworks are evolving to accommodate self-driving technology. However, the immediate impact is limited, as most Chinese automakers currently focus on other regions due to trade barriers and tariffs. Still, the move reflects a global trend toward standardizing autonomous vehicle identification, which could eventually influence regulations elsewhere.
