What is the required visibility distance for stop lamps on a vehicle?

The required visibility distance for stop lamps on a vehicle is 300 feet away. This standard ensures that drivers traveling behind a vehicle can clearly recognize that the vehicle is slowing down or stopping, allowing for adequate reaction time to prevent accidents. Visibility distance regulations are designed to enhance safety by ensuring that stop lamps are easily noticed in various driving conditions, improving the predictability of each driver’s actions on the road.

Understanding this distance is crucial for both vehicle manufacturers, who must comply with safety regulations, and for law enforcement officers, who may evaluate vehicles for compliance during inspections or traffic stops. This distance helps maintain a safe driving environment, particularly in high-traffic scenarios.