S&P Global Ratings has assigned its 'AA-' long-term rating, and stable outlook, to Mississippi Development Bank's (MDB) series 2017 special obligation bonds (DeSoto County, Miss. Highway Construction Project), issued for the Mississippi Department of Transportation (MDOT) and ultimately supported by appropriations to the MDOT by the State of Mississippi ('AA' general obligation [GO] debt rating). S&P Global Ratings has also affirmed its 'AA-' rating on the MDB's special obligation bonds outstanding also issued for the MDOT. The 'AA-' ratings reflect our view of: Legislative support for the program as demonstrated by enabling legislation that authorizes the Mississippi Transportation Commission (MTC) to enter into cooperative agreements to accelerate the completion date of scheduled highway construction projects; Mississippi's demonstrated commitment, within the