Standard&Poor's Ratings Services assigned its 'AA-' long-term rating to the Metropolitan Transportation Authority (MTA), N.Y.'s $400 million series 2015D transportation revenue bonds (TRB), consisting of approximately $350 million subseries 2015D-1 (fixed rate) and $50 million subseries 2015D-2 (mandatory tender bonds). The outlook is stable. Standard&Poor's also affirmed the following ratings: Its 'AA-' issuer credit rating (ICR) on the MTA Its 'AA-' long-term rating and underlying rating (SPUR) on the MTA's transportation revenue bonds (TRBs) outstanding Its 'AAA/A-1' rating on the MTA's series 2005D TRBs, reflecting the application of its joint criteria with low correlation. We base the ratings on the 'AA-' SPUR on the bonds and the long- and short-term ratings on the bank providing the