What should fire fighters wear for safety while working at a highway incident scene?

Firefighters working at a highway incident scene are required to prioritize safety due to the hazards presented by moving vehicles and traffic. Wearing high-visibility safety vests significantly enhances the visibility of firefighters to oncoming traffic, reducing the risk of accidental collisions. These vests are designed to be brightly colored and reflective, making it easier for motorists to spot firefighters even in low-light conditions or adverse weather. This is crucial in maintaining a safe working environment for both the emergency responders and any victims of the incident.

In contrast, while rappelling harnesses, penetrating whistles, and small Class B fire extinguishers may be useful in specific scenarios, they do not directly address the critical need for visibility in a highway setting. Rappelling harnesses are more suited for situations involving vertical rescues, and a penetrating whistle may assist in signaling or communication but does not enhance physical safety from traffic. A Class B fire extinguisher is important for dealing with flammable liquids, but it does not contribute to the protection of personnel from traffic hazards. Therefore, high-visibility safety vests are essential for ensuring that firefighters can be seen and remain safe while attending to their duties on the roadside.