The reality is that there will almost always be another party behind you on the route, so the opportunity to rappel directly down the route is nearly nonexistent. Instead, rappel left of the route.
From the top, make a long, 2-rope rappel down the plumb line. Approximately 190 feet down is a newish anchor (Rawl-style bolts) with rappel rings. This newer anchor is a little hard to see. Beware of the very easily spotted rap-anchor that consists of 2 1/4" button heads (the better anchor is down & left). Make one more rappel with 2 ropes to the ground.