How many feet should traffic be stopped or detoured around a collapse?

The correct answer pertains to safety protocols in the event of a building collapse. Stopping or detouring traffic a minimum of 300 feet around a collapse site is crucial for several reasons. First, this distance helps to ensure that personnel operating on the scene can work without the distraction or danger of vehicles approaching too close to the unstable structure. A collapse can create a hazardous debris field that could extend well beyond the immediate vicinity of the collapse, and maintaining a significant buffer zone minimizes the risk to the public and emergency responders.

Additionally, recognizing that collapse sites may have unpredictable hazards, such as falling debris or secondary collapses, reinforces the necessity for a larger exclusion zone. By establishing a distance of 300 feet, emergency services can manage the scene effectively, protect bystanders, and facilitate a safer environment for rescue operations. While shorter distances might seem sufficient, a more conservative approach prioritizes safety and helps prevent potential injuries or fatalities that could occur from being too close to the danger.