Curb Ramps
one at each crossing, where feasible
perpendicular to curbline
1:12 maximum running slope (new construction)
1:48 (2%) maximum cross slope
36" (915 mm) minimum width
level landing at top
36" (915 mm) long if toe room available
48" (1220 mm) long if constrained
60" (1525 mm) long if between ranges
within crosswalk at foot
no exposure to moving traffic lane
1:20 (5%) maximum counterslope at gutter
flush (no lip) connection at street