Typical Hallway Width . When i had both walls up with the open studs my fears were confirmed, and this was without. Most commonly used in residential and hotel projects, corridors provide the most efficient horizontal means of access and egress to a large amount of rooms. Hospital Door Width & Standard Sc 1 St from pezcame.com Although it provides some good info which appears current, confirmation with your local building department is highly recommended. Hallways hallways shall have a width of at least 860 mm except where the overall width of the building is less than 4.3 m, and this may be reduced to 710 mm 9. As a side note, the width of a typical wheelchair is 22 inches.