NEW YORK (Standard&Poor's) Oct. 26, 2015--Standard&Poor's Ratings Services has assigned its 'AA-' rating to the Triborough Bridge and Tunnel Authority (TBTA), N.Y.'s $65 million series 2015B general revenue bonds. At the same time Standard&Poor's assigned its 'AA-' rating to the TBTA's pro forma, $91.5 million, subseries 2008B-3 general revenue bonds, which are being remarketed Nov. 16 (the mandatory tender date). On that date, the TBTA will convert the bonds to a fixed-rate mode from term-rate. This will be the last conversion for these bonds. As well, Standard&Poor's affirmed its ratings on the authority's debt outstanding. The outlook is stable. "The ratings on the bonds reflect our view of the TBTA's consistently strong