36 CFR Parts 1190 and 1191 ADA and ABA Accessibility Guidelines - Preamble (Discussion of Comments and Changes)

Comment. Comments indicated that specifications for cross slope (1:48 maximum) are not referenced in the curb ramp section.

Response. In the final rule, the Board has clarified that curb ramps, like other elements of accessible routes, cannot have a cross slope steeper than 1:48, by adding a reference to the cross slope specification for ramps in section 405.3.