Aisle

Aisle. Aisle. Any HSV with a GVWR of more than 10,000 pounds or a vehicle with the aisle through the center of the unit shall have a minimum clearance of 12 inches leading to the emergency door when measured at any point between the seats or between any seat and emergency door frame in the case of a vehicle with a side emergency door. An open area for wheelchairs may not be considered an aisle.