Hallway

 The minimum unobstructed width of a normal hallway within a dwelling unit is 860 mm (34 in.), but this minimum hallway width is permitted to be reduced to 710 mm (28 in.) when certain requirements are met, as illustrated in Figure 9.5.-2. Hallways narrower than 860 mm (34 in.) must serve only bedrooms or bathrooms at the end of the hallway furthest from the living area, and must have an exit at that end of the hallway or an exit in each bedroom served by the hallway.