...CHICAGO (S&P Global Ratings) June 16, 2017--S&P Global Ratings assigned its '##-' long-term and underlying ratings (SPUR) to Washington Metropolitan Area Transit Authority, D.C.'s (WMATA or the authority) $207 million gross revenue transit bonds series 2017A-1 and A-2. In addition, S&P Global Ratings affirmed its '##-' rating on the authority's gross revenue transit bonds outstanding. S&P Global Ratings also affirmed its '##-' stand-alone credit profile (SACP) and '##-' issuer credit rating (ICR) on WMATA. The outlook is stable. The ratings reflect our view of WMATA's: + Very low industry risk, with low cyclicality and volatility of earnings during economic cycles, and very low competition; + Extremely strong economic fundamentals, with high per capita income and good growth in population and employment; + Very strong management and governance policies and practices in addition to strong financial and planning policies; + Very strong financial flexibility, with a farebox recovery ratio...