A continuous and unobstructed path of travel from any point in a building or structure to a public way is critical for safe building operation. This path is comprised of three distinct parts: the exit access, the exit, and the exit discharge. The exit access leads from an occupied space to the entrance of an exit. The exit itself is the protected portion of the path providing a fire-resistant separation from other parts of the building. The exit discharge connects the exit to the public way, which is an open space accessible for evacuation.
The existence of a well-defined and easily accessible path is paramount for occupant safety during emergencies such as fires or natural disasters. Proper design and maintenance of these pathways enable swift and orderly evacuation, minimizing the risk of injury or loss of life. Building codes mandate specific requirements for pathway width, height, fire resistance, and signage, reflecting the critical nature of these safety features. Historically, tragedies resulting from inadequate pathways have underscored the need for stringent regulations and meticulous planning.