 The Polk Parkway is a four lane divided expressway for most of its length, although between Old Dixie Highway (Exit 18) and south of Pace Road (exit 23), the highway is a two-lane expressway, with one lane in each direction.As of 2015, the toll is $1.25 cash or $1.06 with SunPass at the three mainline toll plazas and $0.00-0.75 cash or $0.00-$0.53 with SunPass at junctions.The maximum toll for any trip along the Polk Parkway is $3.75 cash or $3.18 with SunPass.