S&P Global Ratings has assigned its 'SP-1' short-term rating to the Metropolitan Transportation Authority (MTA), N.Y.'s proposed $900 million series 2018C transportation revenue bond anticipation notes (BANs), consisting of $450 million subseries 2018C-1 and $450 million subseries 2018C-2. At the same time, S&P Global Ratings affirmed the following ratings: Its 'A' issuer credit rating (ICR) and 'a' stand-alone credit profile (SACP) on the MTA; Its 'A' long-term rating and underlying rating (SPUR) on the MTA's previously issued transportation revenue bonds (TRBs); Its 'AA/A-1' and 'AA+/A-1' dual ratings on various TRBs outstanding, reflecting the application of our joint criteria, assuming low correlation, and reflecting our 'A' SPUR on MTA's existing TRBs; Its 'AA/A-2' and 'AA+/A-1+' long-term ratings on MTA's various other