Originally Posted by Alan D.

There is Revelation Raceway in Montclair (www.revrace.com)
Thunder Alley Raceway in Beaumont (http://www.thunderalleyrcraceway.com)
Pegasus Hobbies in Montclair
OC/RC in Huntington Beach (http://www.ocrcraceway.com/)
West Coast in La Mirada (http://www.westcoastrcraceway.com/Tracks.aspx)
The R/C track at Milestone Mx Park in Riverside
Green Flag Raceway in Hesperia

There's probably more, but that's all I remember off the top of my head.