...SAN FRANCISCO (S&P Global Ratings) Sept. 18, 2019--S&P Global Ratings said today that it cannot yet determine if the New York Metropolitan Transportation Authority's (MTA) Sept. 16 announcement of its proposed $51.5 billion fiscal 2020-24 capital program will affect S&P Global Ratings' A/Negative long-term rating and underlying rating (SPUR) on the MTA's transportation revenue bonds (TRBs) outstanding. Given the new program's preliminary nature, which still requires approval, timing of its implementation and impact to MTA key credit metrics is not yet available. Potential operating cost savings from MTA's Transformation Plan may offset potential higher debt service expenses from debt-financing the proposed program, if approved. The proposed capital program is 70% larger than the current fiscal 2015-19 program, and, according to the plan, as much as $35 billion, or 68%, will be debt financed, including as much as $15 billion secured with future revenue from implementation of congestion pricing....