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Note: This document or portion of document references a state or local code that aligns with the 2010 ADA Standards requirements.

11B-403.5.2 Clear width at turn.

Where the accessible route makes a 180 degree turn around an element which is less than 48 inches (1219 mm) wide, clear width shall be 42 inches (1067 mm) minimum approaching the turn, 48 inches (1219 mm) minimum at the turn and 42 inches (1067 mm) minimum leaving the turn.

Exception: Where the clear width at the turn is 60 inches (1524 mm) minimum compliance with Section 11B-403.5.2 shall not be required.

Two alternative plan views are shown of an accessible route that has a 180 degree turn about an object less than 48 inches wide. In figure (a), the clear width is 42 inches minimum approaching the turn, 48 inches minimum at the turn, and 42 inches minimum leaving the turn. In figure (b), the clear width is 36 inches minimum approaching the turn, 60 inches minimum at the turn, and 36 inches minimum leaving the turn.

(a)
180 degree turn

Two alternative plan views are shown of an accessible route that has a 180 degree turn about an object less than 48 inches wide. In figure (a), the clear width is 42 inches minimum approaching the turn, 48 inches minimum at the turn, and 42 inches minimum leaving the turn. In figure (b), the clear width is 36 inches minimum approaching the turn, 60 inches minimum at the turn, and 36 inches minimum leaving the turn.

(b)
180 degree turn (Exception)

FIGURE 11B-403.5.2
CLEAR WIDTH AT TURN

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