Section 330. Ramps in street curbing

No public street, sidewalk adjacent to
  a  curb,  sidewalk  adjacent  to  a  parking lot, sidewalk adjacent to a
  private road open to public motor vehicle traffic or  highway  shall  be
  constructed  or reconstructed unless the curbing thereof is designed and
  constructed so as to allow reasonable access  to  pedestrian  crosswalks
  for   persons   with  disabilities,  in  accordance  with  accessibility
  guidelines mandated pursuant to the federal Americans with  Disabilities
  Act of 1990, as amended.