accessibility standards for Federal outdoor developed areas 21 ¡ ¡ The intersection of two trails that provide a T-shaped space that complies with section 304.3.2 of the ABA Standards (figure 5), and the base and the arms of the T-shaped space extend a minimum of 48 inches beyond the intersection (figure 6) Figure 5—A T-shaped turning space (304.3.2). 36" (915 mm) MIN 12" (305 mm) MIN 12" (305 mm) MIN 36" (915 mm) MIN 60" (1525 mm) MIN 60" (1525 mm) MIN 24" (610 mm) MIN arm arm base Figure 6—Minimum dimensions for a T-shaped passing space.
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