At both ends it continues as a county road.

Like many county roads in the state of Florida, it was originally a state highway that was downgraded to a county road during the great renumbering of 1980.

near Blanton, as Trilby Road and winds through rural northeastern Pasco County, first in a north–south direction, then in a more east–west direction.

At the intersection of US 301 at Trilacoochee it regains the state highway status it held long ago.

As SR 575 crosses the Hernando County Line near the Withlacoochee River, it reverts to a county road again on its way to State Road 50.