A parallel curb ramp configuration features a detectable warning surface on the transition surface with a minimum thirty-six inch width and forty-eight inch minimum depth. The ramp slope is maintained at a maximum of eight point three three percent with a maximum two percent cross slope. A zero to forty-eight inch minimum curb condition is provided alongside landscaping areas, requiring full-width detectable warnings and maximum two-inch vertical transitions.
B 8.33% MAX 2% MAX 48" MIN 48" MIN. AS REQUIRED LANDSCAPING CONCRETE CURB DETECTABLE WARNING SURFACE ON TRANSITION SURFACE 48" MIN. - 0" CURB CONDITION PROVIDE DETECTABLE WARNINGS FULL WIDTH 36" MIN. 2" MAX. 8 - PARALLEL CURB RAMP W/ FLARED SIDES
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