If you havn't left yet. Look up
www.pashnit.com. Used to be free, not sure if it still is.
Lots of good roads there.
Here are two fun trips:
Hwy 50 to 49 in Placerville South to fiddletown road east to 88 north to Tahoe/50
or Hwy 50 to pollickpines south on Slypark to Morman immigrant trail to 88 north to Tahoe/50