Standard&Poor's Ratings Services assigned its 'AA+' rating to Contra Costa Transportation Authority, Calif.'s series 2015A sales tax revenue bonds and affirmed its 'AA+' rating on the authority's series 2012A and 2012B sales tax revenue bonds. The outlook is stable. The rating reflects our opinion of: The strong pro forma maximum annual debt service (MADS) coverage of 2.14x, The strong 1.75x additional bonds test (ABT), and A broad and diverse economic base firmly integrated into the San Francisco Bay Area metropolitan area. The bonds are limited obligations of the authority payable from the authority's 0.5% retail sales and use tax (Measure J), authorized by voters through March 31, 2034. We understand the bond proceeds will be used to fund
