S&P Global Ratings assigned its 'SP-1+' short-term rating to the Metropolitan Transportation Authority (MTA), N.Y.'s $700 million series 2017B bond anticipation notes. In addition, we assigned our 'AA-' long-term rating to the MTA's estimated $500 million series 2017B-1 transportation revenue green bonds and estimated $300 million series 2017B-2 transportation revenue refunding green bonds (all par amounts subject to market conditions). Finally, we 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 BANs; and 'AAA/A-1+', 'AA+/A-1', and 'AA/A-2' dual ratings on the MTA's other TRBs outstanding,
