CHICAGO (S&P Global Ratings) March 6, 2019--S&P Global Ratings assigned its 'SP-1+' short-term rating to the Metropolitan Transportation Authority (MTA), N.Y.'s approximately $750 million series 2019A dedicated tax fund (DTF) bond anticipation notes (BANs). At the same time, we affirmed our 'AA' long-term and underlying ratings on the MTA's outstanding DTF bonds. The outlook is stable. We also affirmed our 'AAA/A-1+' rating on the series 2008A-1 DTF variable-rate refunding bonds based on a joint support with a letter of credit (LOC; for more information on this series, please refer to our analysis, published June 13, 2017, on RatingsDirect) and affirmed our 'AA+/A-1' rating on the series 2002B-1 DTF variable-rate bonds based on a joint support with a LOC (for more