Quote"Trying tro rid myself of the AFD/Chart Supplement and wondering if the IFR preferred routes are hidden anywhere?" end Quote
If you use the free site "fltplan.com", when you are creating an IFR plight plan, the site automatically shows a long list of preferred route and routes most planes are using along with the model of the plane.
Disclaimer--This is not an advertisement for fltplan.com as I have no connection to the site just that the site is very good and free.