An accessible route of travel at a typical curb ramp incorporates federal yellow truncated domes and concrete walk paving. The detectable warnings extend forty-eight inches minimum across the width, backed by a thirty-six inch minimum truncated dome area and a forty-eight inch minimum landing. Surface slopes are specified not to exceed 8.33 percent with a maximum slope of 1:12. Notes reference compliance with the California Building Code sections 11B-247 and 11B-406.4.
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