An accessible drop-down curb ramp transitions from full-height curbs to flush curbs with a 3-foot width and a 4.9% maximum slope. The ramp features a 2% cross-slope and incorporates a detectable warning surface in the center flanked by transitional curb tapers. The full-height curb tapers from six inches to flush, ensuring smooth transitions to walks, gutters, or streets without abrupt changes.
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