...S&P Global Ratings assigned its '###' long-term rating to San Francisco City and County's $135.8 million series 2020B (Proposition A [2014]) general obligation (GO) bonds for transportation and road improvements. At the same time, S&P Global Ratings affirmed the following ratings on debt associated with the city and county: + '###' long-term rating on the city and county's existing GO bonds; + '##+' long-term rating and underlying rating (SPUR) on the city and county's appropriation obligations; + '###/A-1+' joint-support rating on the city and county's series 2008-1 and 2008-2 variable-rate lease revenue obligations; and + 'A-1+' short-term rating on the city and county's series 1, 1-T, 2, and 2-T commercial paper (CP). The outlook, where applicable, is stable. We calculate that the city and county has approximately $6 billion in governmental debt, including institutionally linked tax increment and special assessment debt, including obligations outstanding as of the end of June 2020 and...