NEW YORK (Standard&Poor's) Dec. 9, 2015--Standard&Poor's Ratings Services has assigned its 'AAA/A-1' ratings to the Triborough Bridge and Tunnel Authority (TBTA), N.Y.'s subseries 2013D 2a (federally taxable) and 2013D 2b (federally taxable) subordinate revenue refunding bonds. At the same time, Standard&Poor's assigned its 'A+' underlying rating (SPUR) to the bonds. Standard&Poor's also affirmed its ratings on parity debt outstanding. The outlook is stable. The rating's long-term component reflects the application of our joint criteria, assuming low-correlation between the 'A+' SPUR on the TBTA's subordinate revenue bonds and a direct-pay letter of credit (LOC) provided by Bank of America N.A. (A/Watch Pos/A-1). The rating's short-term component reflects solely the short-term counterparty rating on