S&P Global Ratings placed the following ratings on the Metropolitan Transportation Authority (MTA), N.Y.'s on CreditWatch with negative implications: 'A-' issuer credit rating (ICR) on the MTA; 'a-' stand-alone credit profile (SACP) on the MTA; 'A-' long-term rating and underlying rating (SPUR) on the MTA's previously issued transportation revenue bonds (TRBs); 'AA/A-1+' dual rating on the MTA's series 2012G-2 and 2002G-1G variable rate TRBs, with enhancement by letters of credit from Toronto Dominion Bank, and on the MTA's series 2015E-1 variable-rate TRBs, with enhancement by a letter of credit from U.S. Bank N.A.; 'AA/A-1' dual rating on the MTA's series 2005E-2 and 2015E-3 variable-rate TRBs, with enhancement by letters of credit from Bank of America N.A., and on the MTA's
