S&P Global Ratings assigned its 'AA-' long-term rating and underlying rating to Washington Metropolitan Area Transit Authority (WMATA), D.C.'s pro forma $236.9 million gross revenue transit bonds, series 2018. 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 financial flexibility, with a farebox recovery ratio of approximately 44%; and Very strong liquidity levels, although we consider unrestricted cash without access to external liquidity and lines of credit only adequate. These strengths are partially offset by the authority's: Adequate market position due to