S&P Global Ratings assigned its 'AA-' underlying rating (SPUR) to the Triborough Bridge and Tunnel Authority (TBTA), N.Y.'s pro forma $400 million series 2020A general revenue bonds. The outlook is negative. At the same time, S&P Global Ratings affirmed the following ratings: Its 'AA-' long-term rating and SPUR on the authority's general revenue bonds outstanding; Its 'A+' long-term rating and SPUR on the TBTA's subordinate revenue bonds outstanding; Its 'AAA/A-1+' rating and 'AA-' SPUR on the authority's general revenue variable-rate bonds, series 2005B-4C; and Its 'AA+/A-1' rating and 'AA-' SPUR on the TBTA's general revenue variable-rate bonds, series 2002F, 2003B-1, 2005A, 2005B-2, and 2018E. The series 2020A bond proceeds will be used to finance bridge and tunnel projects as part