S&P Global Ratings assigned its 'AA-' long-term rating to the Metropolitan Transportation Authority (MTA), N.Y.'s $150 million transportation revenue refunding green bonds, series 2017B (climate bond certified). At the same time, we withdrew our 'AA-' long-term ratings on the MTA's $500 million series 2017B-1 transportation revenue green bonds and $300 million series 2017B-2 transportation revenue refunding green bonds, assigned on June 12, 2017, given that those two issues never sold. We also affirmed the following ratings: 'AA-' issuer credit rating (ICR) and 'aa-' stand-alone credit profile (SACP) on the MTA; 'AA-' long-term rating and underlying rating (SPUR) on the MTA's previously issued transportation revenue bonds (TRBs); 'SP-1+' short-term rating on the MTA's previously issued transportation revenue bond anticipation notes (BANs);
