S&P Global Ratings has affirmed its 'AA' long-term rating on the District of Columbia (D.C.) federal highway grant anticipation revenue (GARVEE) bonds outstanding. The outlook is stable. The rating reflects our view of strong debt service coverage (DSC) based on historical federal grant receipts and a sound bond structure. All federal highway revenues the district receives are pledged to the bonds' payment; in addition, the series 2011 bonds outstanding have a debt service reserve account equal to maximum annual debt service (MADS). The series 2012 bonds do not have a debt service reserve account. The rating also reflects our opinion of the following credit strengths: Strong MADS coverage of 11.5x based on the fiscal 2016 obligation authority; A memorandum of