Architecture · Circulation

Hallway / Corridor Width

Clear width of interior corridors for residential and commercial circulation.

Description

Corridor width must accommodate two-way pedestrian flow and, in commercial settings, egress capacity. Wider corridors are needed where wheelchairs must pass one another.

Sources

IRC
IBC
ADA Standards

Values

Residential minimumMinimum

915 mm36 in

Commercial egress corridorMinimum

1118 mm44 in

Two wheelchairs passingRecommended

1525 mm60 in

Related dimensions

914 mm

36 in

Stair Width (Clear)

Architecture

Minimum clear width of a stairway, measured between finished wall surfaces.

stairswidthegress