Standard&Poor's Ratings Services assigned its 'AA+' long-term rating to Prince William County Industrial Development Authority, Va.'s series 2016A facilities revenue and refunding bonds (county facilities project), issued for Prince William County, Va. At the same time, we affirmed the 'AA+' rating on the county's existing appropriation backed debt as well as the 'AAA' long-term rating on the county's existing general obligation (GO) bonds. The outlook is stable. The rating reflects our assessment of the following factors for the county: Very strong economy, with access to a broad and diverse metropolitan statistical area (MSA); Very strong management, with "strong" financial policies and practices under our Financial Management Assessment methodology; Adequate budgetary performance, with operating results that we expect could