 The state road designation is omitted on many maps, but the street itself is signed by the Florida Department of Transportation.State Road 852 begins at SR 817 at the intersection with the eastbound exit from the HEFT to SR 817, with SR 852 heading east as County Line Road as a divided four-lane highway.The westernmost mile of SR 852 is wedged between the property line of Calder Race Track and an embankment atop which the Turnpike extension is constructed.