Standard&Poor's Ratings Services assigned its 'AA-' rating and stable outlook to Port Authority of New York&New Jersey's (PANYNJ) 191st series consolidated bonds and affirmed its 'AA-' rating, with a stable outlook, on PANYNJ's existing consolidated bonds. Standard&Poor's also affirmed its 'A-1+' short-term rating on the authority's commercial paper (CP) notes, as of May 1, 2015. In addition, Standard&Poor's affirmed its 'AA-' rating, with a stable outlook, on New York Liberty Development Corp.'s series 1WTC-2011 liberty revenue bonds, which are on par with all of PANYNJ's consolidated bonds. Finally, Standard&Poor's affirmed its 'A+' rating, with a stable outlook, on PANYNJ's series 2011 liberty revenue bonds, issued for the 4 World Trade