What is the minimum required width for an exit access aisle in a commercial building?

The minimum required width for an exit access aisle in a commercial building is 44 inches. This width is established to ensure that individuals can safely and quickly navigate through the aisle during an emergency situation. A width of 44 inches accommodates the movement of people, including those with mobility aids, and enables smooth traffic flow which is critical during evacuations.

This requirement is rooted in accessibility standards and building codes aimed at maximizing safety and minimizing congestion in exit access routes. Adequate width helps prevent bottlenecks and allows for multiple people to pass each other comfortably, which is essential in high-occupancy commercial settings. Therefore, maintaining the minimum requirement of 44 inches helps ensure compliance with safety regulations designed to protect occupants during emergencies.