NHTSA Proposes Cyan Lights to Identify Self-Driving Cars on US Roads

The US Department of Transportation took a significant step toward integrating autonomous vehicles into everyday traffic this week, proposing a federal standard for cyan-colored exterior marker lamps that would identify vehicles operating exclusively under automated driving systems. The National Highway Traffic Safety Administration announced the proposal on October 23, with formal publication scheduled for the Federal Register on October 26, 2026, launching a 30-day public comment period.