The Julian M. Carroll Purchase Parkway is a controlled-access highway in the US state of Kentucky running from Fulton to Mayfield, near Kentucky Dam, for a length of . It begins at the Tennessee state line concurrent with U.S. Route 51 (US 51) only a few yards from an intersection with US 45W, US 45E, and US 45 at its southern terminus, and at I-69 just north of US 45 at its northern terminus. It is one of seven highways that are part of the Kentucky Parkway System.