Standard&Poor's Ratings Services has raised its issuer credit rating (ICR) on the Metropolitan Transportation Authority (MTA), N.Y., to 'AA-' from 'A+', and the long-term rating on the authority's transportation revenue bonds (TRB) outstanding to 'AA-' from 'A+'. The outlook is stable. At the same time, Standard&Poor's raised its stand-alone credit profile (SACP) on the MTA to 'aa-' from 'a+'. Standard&Poor's also assigned its 'AA-' long-term rating to the MTA's $500 million series 2014C TRB. Bond proceeds will finance transit and commuter projects. The upgrade reflects our view of the MTA's enterprise risk score that we view as extremely strong and its financial risk score that we view as strong, resulting in an indicative SACP