Business · 25/11/1994Updated: 10/18/2026 · 1 min read
NHTSA Proposes Amendment to Federal Motor Vehicle Safety Standard on Lighting
The National Highway Traffic Safety Administration (NHTSA) is proposing an amendment to the Federal motor vehicle standard on lighting, which would allow manufacturers to determine the photometric conformance of center high-mounted stop lamps using a grouping of test points, reducing testing burden and aligning with existing requirements for other lamps.